RG 68X576706 RevA_HIRES_10_11 Orion Star A216 A326

User Manual: Pdf Orion Star-A216-A326

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Thermo Scientific Orion Star A216 Benchtop
and Star A326 Portable pH/RDO/DO Meters
Reference Guide
For Sales & Service Contact
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Phone 303-320-4764 • Fax 303-322-7242
1-800-833-7958
www.geotechenv.com
Ross and the COIL trade dress are trademarks of Thermo Fisher Scientific, Inc. and
its subsidiaries.
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Stat Face, Triode are trademarks of Thermo Fisher Scientific, Inc. and its subsidiaries.
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and its subsidiaries.
© 2011 Thermo Fisher Scientific Inc. All rights reserved. All trademarks are the property of
Thermo Fisher Scientific, Inc. and its subsidiaries.
The specifications, descriptions, drawings, ordering information and part numbers within this
document are subject to change without notice.
This publication supersedes all previous publications on this subject.
Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meters
Chapter 1 Introduction ..........................................................1
Chapter 2 Meter Overview.......................................................3
Meter Connections and Inputs.......................................... 3
Power Source....................................3
Electrodes and Other Connections....................4
Connecting Electrode the Benchtop Meter..............5
Meter Display ........................................................ 6
Meter Keypad......................................................... 7
Meter Maintenance ................................................... 8
Chapter 3 Meter Setup ..........................................................9
Navigating the Setup Menu ............................................ 9
Setup Menu Overview................................................. 9
pH Channel Menu................................10
DO/RDO Channel Menu...........................12
Settings Menu...................................14
View Log Menu..................................15
Diagnostics Menu................................15
Chapter 4 pH, RmV and ORP Calibration ..........................................17
pH Calibration ....................................................... 17
Calibration Editing................................18
RmV Calibration ..................................................... 18
ORP Calibration ..................................................... 19
Chapter 5 RDO/DO Calibration ..................................................21
Air Dissolved Oxygen Calibration...................................... 21
Water Dissolved Oxygen Calibration................................... 22
Manual Dissolved Oxygen Calibration.................................. 23
Set Zero Dissolved Oxygen Calibration................................. 24
Chapter 6 Temperature Calibration ..............................................25
Chapter 7 Measurement........................................................27
Chapter 8 Methods ............................................................29
Saving the Current Meter Settings as a New Method..................... 29
Loading an Existing Method........................................... 29
Editing, Copying or Deleting an Existing Method......................... 30
Chapter 9 Data Storage and Retrieval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Data Storage Settings ................................................ 31
Read Type Selection..............................31
Computer and Printer Export Settings.................32
Data Log Settings................................32
Viewing the Calibration Log and Data Log .............................. 33
Viewing the Calibration Log........................ 33
Viewing the Data Log............................. 33
Exporting the Data Log to a Computer or Printer ......................... 34
Clearing the Data Log................................................. 35
Interfacing a Printer.................................................. 36
Interfacing a Computer ............................................... 36
Chapter 10 Customer Services ...................................................37
Meter Errors and Recommended Actions ............................... 37
Meter Self Test and Checkout ......................................... 38
Meter Self Test................................. 38
Meter Checkout (pH)............................. 38
Electrode Stability Test............................................... 39
Meter Factory Reset ................................................. 39
Meter User Reset .................................................... 40
About Meter......................................................... 40
Assistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Warranty and Registration ............................................ 40
Ordering Information ................................................. 41
Chapter 11 Meter Compliance....................................................45
Notice of Compliance................................................. 45
WEEE Compliance ................................................... 45
Declaration of Conformity............................................. 46
Meter Specifications................................................. 47
Appendix 1 Advanced Meter Features .............................................51
Automatic pH Buffer Recognition Feature............................... 51
Testing a pH Electrode for Automatic Buffer Recognition . .51
Electrode Condition Icon ............................................. 52
Multipoint Calibration Curve Feature .................................. 53
Dissolved Oxygen Barometric Pressure Compensation .................. 53
Dissolved Oxygen Salinity Correction..................................54
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1
Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Chapter 1 Introduction
Thank you for your purchase of the Orion Star A216 benchtop pH/RDO/DO or Star A326 portable pH/RDO/DO meter.
These meters are capable of measuring pH, mV, relative mV (RmV), ORP, dissolved oxygen and temperature in °C or °F.
The Orion Star A216 benchtop pH/RDO/DO meters feature
t Q)SBOHFPGUPQ)VOJUTXJUIPSSFTPMVUJPOBOEVQUPDBMJCSBUJPOQPJOUT
t N7SFMBUJWFN7BOE031SBOHFPGUPN7XJUIN7SFTPMVUJPO
t %JTTPMWFEPYZHFOSBOHFPGUPNH-PSUPTBUVSBUJPOVTJOHBO3%0PQUJDBMEJTTPMWFE
PYZHFOQSPCFXJUIBSFTPMVUJPOPGPSNH-BOEPSTBUVSBUJPO
t %JTTPMWFEPYZHFOSBOHFPGUPNH-PSUPTBUVSBUJPOVTJOHBQPMBSPHSBQIJDEJTTPMWFE
PYZHFOQSPCFXJUIBSFTPMVUJPOPGPSNH-BOEPSTBUVSBUJPO
t "6503&"%DPOUJOVPVTXJUIIPMEPQUJPOBOEUJNFENFBTVSFNFOUNPEFT
t DBMJCSBUJPOFEJUJOH
t QPJOUEBUBMPH
t NBOVBMSFBEZ"6503&"%BOEUJNFEEBUBMPHHJOHGVODUJPOT
t *1SBUFEEVTUBOETQMBTISFTJTUBOUIPVTJOH
The Orion Star A326 portable pH/RDO/DO meters feature
t Q)SBOHFPGUPQ)VOJUTXJUIPSSFTPMVUJPOBOEVQUPDBMJCSBUJPOQPJOUT
t N7SFMBUJWFN7BOE031SBOHFPGUPN7XJUIN7SFTPMVUJPO
t %JTTPMWFEPYZHFOSBOHFPGUPNH-PSUPTBUVSBUJPOVTJOHBO3%0PQUJDBMEJTTPMWFE
PYZHFOQSPCFXJUIBSFTPMVUJPOPGPSNH-BOEPSTBUVSBUJPO
t %JTTPMWFEPYZHFOSBOHFPGUPNH-PSUPTBUVSBUJPOVTJOHBQPMBSPHSBQIJDEJTTPMWFE
PYZHFOQSPCFXJUIBSFTPMVUJPOPGPSNH-BOEPSTBUVSBUJPO
t "6503&"%DPOUJOVPVTXJUIIPMEPQUJPOBOEUJNFENFBTVSFNFOUNPEFT
t DBMJCSBUJPOFEJUJOH
t QPJOUEBUBMPH
t NBOVBMSFBEZ"6503&"%BOEUJNFEEBUBMPHHJOHGVODUJPOT
t *1SBUFEEVTUQSPPGBOEXBUFSQSPPGIPVTJOH
1MFBTFSFBEUIJTSFGFSFODFHVJEFUIPSPVHIMZ"OZVTFPVUTJEFPGUIFTFJOTUSVDUJPOTNBZJOWBMJEBUFZPVSXBSSBOUZBOE
cause permanent damage to the meter.
2Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
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3
Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Chapter 2 Meter Overview
Meter Connections and Inputs
Power Source
 1PXFSBEBQUFSJODMVEFEXJUICFODIUPQNFUFSTTPMETFQBSBUFMZGPSQPSUBCMFNFUFST
B 4FMFDUUIFBQQSPQSJBUFXBMMTPDLFUQMVHQMBUF
b. Slide off the clear plastic cover from the plug plate.
D 4MJEFUIFQMVHQMBUFJOUPUIFHSPPWFPOUIFCBDLPGUIFQPXFSBEBQUFS
E $POOFDUUIFQPXFSBEBQUFSUPUIFNFUFSBOEQPXFSPVUMFU
 #BUUFSJFTJODMVEFEXJUIQPSUBCMFNFUFSTTPMETFQBSBUFMZGPSCFODIUPQNFUFST
a. Select four AA alkaline batteries.
C $POmSNUIBUUIFNFUFSJTQPXFSFEPGG
c. Remove the battery compartment cover.
J #FODIUPQNFUFSToQVTIEPXOPOUIFCBUUFSZDPNQBSUNFOUUBCBOEMJGUUIFCBUUFSZDPWFSVQ
JJ1PSUBCMFNFUFSToMPPTFOUIFTDSFXTIPMEJOHUIFCBUUFSZDPWFSSFMFBTFUIFUPQQPSUJPOPGUIF
battery cover from the meter (use a coin or your finger) and release the bottom portion of the
battery cover.
E 0SJFOUBUFUIFCBUUFSJFTBTTIPXOJOUIFCBUUFSZDPNQBSUNFOUIPVTJOHBOEJOTFSUCBUUFSJFT
F 3FQMBDFUIFCBUUFSZDPNQBSUNFOUDPWFS'PSQPSUBCMFNFUFSToSFQMBDFUIFTDSFXT
1VTIEPXOPOUBCBOEMJGUUIF
battery cover
Orion Star A Series Benchtop
3FNPWFTDSFXT
Orion Star A Series Portable
4Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Electrodes and Other Connections
1. Prepare the pH electrode, RDO optical dissolved oxygen probe, polarographic dissolved oxygen probe and any other
applicable electrodes according to the directions in the
electrode user guide.
 $POOFDUUIFBQQSPQSJBUFJUFNTBTMBCFMFEPOUIFNFUFSBOEBTTIPXOJOUIFmHVSFCFMPX
t #/$o*OQVUGPSQ)FMFDUSPEFPS031SFEPYFMFDUSPEFXJUI#/$PSXBUFSQSPPG#/$DPOOFDUPS
t 3&'o*OQVUGPSSFGFSFODFFMFDUSPEFXJUITUBOEBSENNQJOUJQDPOOFDUPS
t "5$$0/o*OQVUGPS"5$QSPCFXJUIQJO.JOJ%*/DPOOFDUPS
t (SPVOEo*OQVUGPSBHSPVOEXJSFXJUIBTUBOEBSEQJOUJQDPOOFDUPSOrion Star A216 benchtop meters only.
t %03%0o*OQVUGPS3%0PQUJDBMEJTTPMWFEPYZHFOQSPCFPSQPMBSPHSBQIJDEJTTPMWFEPYZHFOQSPCFXJUI
QJO.JOJ%*/DPOOFDUPS
t 1PXFSo*OQVUGPSUIFQPXFSBEBQUFS
t 4UJSSFSo*OQVUGPSUIFTUJSSFSQSPCF$BU/POrion Star A216 benchtop meters only.
t 64#o*OQVUGPSUIF64#DBCMFVTFEUPDPOOFDUUIFNFUFSUPBQSJOUFSPSDPNQVUFS
t 34o*OQVUGPSUIF34DBCMFVTFEUPDPOOFDUUIFNFUFSUPBQSJOUFSPSDPNQVUFS
BNC
RS232USB
Ref.
ATC/CONDO/RDO
Ground
Power Stirrer
DO/
RDO
ATC/
COND
POWER
USB
REF
RS232
BNC
Star A216 Meter Back Panel
Star A326 Meter Back Panel
5
Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Connecting Electrode Arm to an Orion Star A Series Benchtop Meter
Orion Star A series benchtop meters include an electrode arm that can be attached to either side of the meter.
 6OQBDLUIFFMFDUSPEFBSNBOECBTF
2. Choose the side of the meter to attach the arm.
 6TFBDMFBOTVSGBDFBOEUVSOUIFNFUFSPWFS
 3FMFBTFUIFFYJTUJOHTDSFXGSPNUIFCBDLPGUIFNFUFS
 "MJHOUIFFMFDUSPEFBSNCBTFXJUIUIFDJSDMFTBUUIFCPUUPNPGUIFNFUFS5IFNFUBMQPTUPOUIFFMFDUSPEFBSNCBTF
should be on the same side as the meter display.
 5BLFUIFTDSFXUIBUXBTSFNPWFEBOEVTFJUUPTFDVSFUIFFMFDUSPEFBSNCBTFUPUIFNFUFS
 5VSOUIFNFUFSPWFS
 1MBDFUIFIPMFBUUIFCPUUPNPGUIFFMFDUSPEFBSNPOUPUIFNFUBMQPTUPOUIFFMFDUSPEFBSNCBTF
6Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Meter Display
Display Icon Description
4IPXOXIFOUIFNFUFSJTSVOOJOHPO"$QPXFS
4IPXOXIFOUIFNFUFSIBTCBUUFSJFTJOTUBMMFE
*OEJDBUFTEBUBJTCFJOHTFOUUPBDPNQVUFSPSQSJOUFS
*OEJDBUFTEBUBJTCFJOHTFOUUPUIFEBUBMPH
4IPXOXIFOBOBMBSNJTTFUBOEUIFBMBSNWBMVFJTSFBDIFE
*OEJDBUFTUIFNFUFSJTTFUUPCFJOUFSGBDFEXJUIBQSJOUFSPSDPNQVUFSWJBUIF34QPSU
*OEJDBUFTUIFNFUFSJTTFUUPCFJOUFSGBDFEXJUIBQSJOUFSPSDPNQVUFSWJBUIF64#QPSU
Displays the time and date entered in the setup menu.
25.0˚C
ATC
%JTQMBZTUIFDVSSFOUUFNQFSBUVSFCBTFEPOUIFUFNQFSBUVSFQSPCFSFBEJOHPSFOUFSFEUFNQFSBUVSFWBMVF4IPXTUIF
PSJHJOPGUIFUFNQFSBUVSFBT."/FOUFSFEUFNQFSBUVSFPS"5$UFNQFSBUVSFQSPCF
HOLD 4IPXOXIFO is pressed and the displayed measurement is frozen.
*OEJDBUFTBDBMJCSBUJPOXBTTVDDFTTGVMMZDPNQMFUFE*DPOXJMMCMJOLXIFOUIFDBMJCSBUJPOBMBSNJTTFUBOEUIF
alarm value is reached.
*OEJDBUFTUIFQ)FMFDUSPEFDPOEJUJPOBTHPPEUXPCBSTGBJSPOFCBSPSCBETMBTIUISPVHIJUCBTFEPOUIFMBTU
saved calibration and measurement stability.
M
100 *OEJDBUFTBNFUIPEJTJOVTFBOEUIFOVNCFSPGUIFNFUIPECFJOHVTFE
pH *OEJDBUFTUIFUZQFPGNFBTVSFNFOUBOEEFUFSNJOFTUIFUZQFPGDBMJCSBUJPOUIBUXJMMCFQFSGPSNFE
ready Specifies the stability of the electrode as stabilizing or ready.
4IPXOXIFOUIFNFUFSJTJO"6503&"%NPEF5IF JDPOXJMMCMJOLXIJMFUIFSFBEJOHJTTUBCJMJ[JOHBOETUPQ
CMJOLJOHXIFOUIFSFBEJOHJTTUBCMFBOEUIFNFBTVSFNFOUJTMPDLFEPOUIFEJTQMBZ
7.000 pH %JTQMBZTUIFNFBTVSFNFOUWBMVFCBTFEPOUIFMBTUTBWFEDBMJCSBUJPOBOEDVSSFOUFMFDUSPEFSFBEJOH6OJUTBSF
TIPXOUPUIFSJHIUPGUIFWBMVF
0.0mV 4IPXTUIFSBXNJMMJWPMUSFBEJOHPGUIFFMFDUSPEFpH mode only.
BUFFERS: 1.68,
…4IPXTUIFCVGGFSWBMVFTVTFEGPSUIFMBTUTBWFEDBMJCSBUJPOpH mode only.
Auto Baro Press
: 757.3 4IPXTUIFCBSPNFUSJDQSFTTVSFNFBTVSFECZUIFNFUFS(Auto) or entered by operator (Man.) and used to correct
dissolved oxygen measurements. RDO/DO modes only.
Salt: 0.0 Displays the salinity correction factor used to correct dissolved oxygen measurements. RDO/DO modes only.
4IPXTUIFPQFSBUPSBTTJHOFETBNQMF*%OVNCFS
4IPXTUIFPQFSBUPSBTTJHOFEVTFS*%OVNCFS
cal %JTQMBZTUIFBDUJPOUIBUXJMMCFQFSGPSNFEXIFOf1 is pressed.
sample ID %JTQMBZTUIFBDUJPOUIBUXJMMCFQFSGPSNFEXIFOf2 is pressed.
channel %JTQMBZTUIFBDUJPOUIBUXJMMCFQFSGPSNFEXIFOf3 is pressed.
7
Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Meter Keypad
Press the f1, f2 and f3GVODUJPOLFZTUPQFSGPSNUIFBDUJPOTIPXOBCPWFFBDILFZPOUIFEJTQMBZ
Press to turn the meter on.
8IFOUIFNFUFSJTPOQSFTTBOERVJDLMZSFMFBTFUPUVSOUIFEJTQMBZCBDLMJHIUPOPSPGGPSIPMEEPXOUP
turn the meter off.
*OUIFNFBTVSFNFOUNPEFQSFTTUPUBLFBNFBTVSFNFOU
*OUIFTFUVQDBMJCSBUJPOBOEPUIFSNFOVTQSFTTUPFTDBQFUIFDVSSFOUNFOVBOESFUVSOUPUIF
measurement mode.
*OUIFNFBTVSFNFOUNPEFQSFTTUPFOUFSUIFTFUVQNFOV
*OUIFTFUVQDBMJCSBUJPOBOEPUIFSNFOVTQSFTTUPTDSPMMVQUISPVHIBMJTUPGPQUJPOT
*OUIFDPOUJOVPVTNFBTVSFNFOUNPEFQSFTTUPIPMEGSFF[FUIFEJTQMBZFENFBTVSFNFOUBOEQSFTT
again to release (unfreeze) the measurement.
*OUIFTFUVQDBMJCSBUJPOBOEPUIFSNFOVTQSFTTUPTDSPMMMFGUUISPVHIBMJTUPGPQUJPOT
*OUIFTJOHMFDIBOOFMNFBTVSFNFOUNPEFTQSFTTUPDIBOHFUIFEJTQMBZFENFBTVSFNFOUNPEF0QUJPOT
GPSDIBOOFMBSFQ)N73N7SFMBUJWFN7PS0310QUJPOTGPSDIBOOFMBSFTBUEJTTPMWFEPYZHFOJO
QFSDFOUTBUVSBUJPONH-EJTTPMWFEPYZHFOJONJMMJHSBNTQFSMJUFSPS¡$QSPCFNFNCSBOFUFNQFSBUVSF
*OUIFTFUVQDBMJCSBUJPOBOEPUIFSNFOVTQSFTTUPTDSPMMSJHIUUISPVHIBMJTUPGPQUJPOT
*OUIFNFBTVSFNFOUNPEFQSFTTUPMPHPSQSJOUBNFBTVSFNFOU
*OUIFTFUVQDBMJCSBUJPOBOEPUIFSNFOVTQSFTTUPTDSPMMEPXOUISPVHIBMJTUPGPQUJPOT
1SFTTUPWJFXUIFEBUBMPHBOEDBMJCSBUJPOMPHOrion Star A216 benchtop meters only.
Press to start or stop the stirrer probe. Orion Star A216 benchtop meters only.
log/print
mode
setup
hold
measure
(esc)
Orion Star A200
and A300 Series
Portable Keypad
Orion Star A200 Series
Benchtop Keypad
8Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
1. Press UPQPXFSUIFNFUFSPO8IFOUIFNFUFSJTPOQSFTTBOERVJDLMZSFMFBTF to turn the backlight
on or off or press and hold GPSBCPVUUISFFTFDPOETUPQPXFSUIFNFUFSPGG
2. Press to exit any meter function and return to the measurement mode.
3. The f1, f2, and f3GVODUJPOLFZTQFSGPSNBWBSJFUZPGNFUFSPQFSBUJPOT5IFNFOVTQFDJmDPQFSBUJPOJTTIPXO
above each key on the display. For example, press f1 in the measurement mode to start a calibration.
 5IF , , or LFZTBSFVTFEBTOBWJHBUJPOLFZTVQSJHIUEPXOMFGUXIFOTFMFDUJOHGSPNBmYFE
MJTUPSHSJEPGNFUFSPQUJPOT*OUIFNFBTVSFNFOUNPEFUIFTFLFZTBSFVTFEUPBDDFTTUIFTFUVQNFOVDIBOHF
the measurement mode, manually log or print a measurement and hold (freeze) a displayed measurement in the
continuous measurement mode.
 *OUIFDPOUJOVPVTNFBTVSFNFOUNPEFXIFO is pressed and the measurement is being held (frozen), only the
LFZXJMMCFGVODUJPOBMVOUJMUIFNFBTVSFNFOUJTSFMFBTFEVOGSP[FO
6. Press UPUVSOPOPSPGGUIFTUJSSFSQSPCF$BU/POrion Star A216 benchtop meters only.
 1SFTT to access the calibration log and data log. Orion Star A216 benchtop meters only.
Meter Maintenance
'PSSPVUJOFNFUFSNBJOUFOBODFEVTUBOEXJQFUIFNFUFSXJUIBEBNQDMPUI*GOFDFTTBSZXBSNXBUFSPSBNJME
XBUFSCBTFEEFUFSHFOUDBOCFVTFE.FUFSNBJOUFOBODFDBOCFQFSGPSNFEPOBEBJMZXFFLMZPSNPOUIMZCBTJTBT
SFRVJSFECZUIFFOWJSPONFOUJOXIJDIUIFNFUFSJTPQFSBUFE*NNFEJBUFMZSFNPWFBOZTQJMMFETVCTUBODFGSPNUIF
meter using the proper cleaning procedure for the type of spill.
9
Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Chapter 3 Meter Setup
Navigating the Setup Menu
 *OUIFNFBTVSFNFOUNPEFQSFTT to enter the main setup menu.
2. Press , , or to scroll through the main setup menu options. Press f3 (select) to
select a main setup menu option.
3. Press or to scroll through setup submenu options. Press f3 (select) to select a setup submenu option.
 1FSGPSNUIFBQQSPQSJBUFBDUJPOTUPTFUUIFEFTJSFEQBSBNFUFSJOUIFTFUVQTVCNFOVT
a. To select a value from a list of options, press or to highlight the desired value and press
f3 (select) to set the value.
b. To enter a numeric value, use the numeric entry screen.
i. Select the value to be entered by pressing f3 (select) or f3 (edit)5IFOVNFSJDFOUSZTDSFFOXJMMQPQVQPOUIFEJTQMBZ
ii. Press , , or to highlight a number, decimal place or negative sign; press
f3 (enter)UPTFMFDUUIFIJHIMJHIUFEJUFNBOESFQFBUVOUJMUIFEFTJSFEWBMVFJTTIPXOPOUIFUPQPGUIFOVNFSJD
entry screen.
iii. Press f2 (done) to save the value and exit the numeric entry screen.
 1SFTTf1 (back) and then to return to the measurement mode at any time.
Setup Menu Overview
pH Channel DO/RDO Channel Settings Log View Diagnostics
Method
Mode & Settings
t.FBTVSF.PEF
t3FBE5ZQF
t3FTPMVUJPO
t#VGGFS(SPVQ
t4UBCJMJUZ
t"WFSBHJOH
t-JNJU"MBSN
t$BM%VF"MBSN
Temperature
t.BOVBM5FNQ7BMVF
t5FNQFSBUVSF6OJU
t5FNQFSBUVSFCalibration
t5FNQFSBUVSF*OQVU
Method
Mode & Settings
t.FBTVSF.PEF
t.FBTVSF6OJU
t3FTPMVUJPO
t3FBE5ZQF
t#BSP1SFTT
t4BMJOJUZ$PSSFDU
t4UBCJMJUZ
t"WFSBHJOH
t-JNJU"MBSN
t$BM%VF"MBSN
t3%0$BQ-JGF(RDO only)
Temperature
t.BOVBM5FNQ7BMVF
t5FNQFSBUVSF6OJU
t5FNQFSBUVSFCalibration
t5FNQFSBUVSF*OQVU
t&YQPSU%BUB
t%BUB-PH
t%BUF5JNF
t-BOHVBHF
t,FZ1SFTT#FFQ
t"MBSN#FFQ
t4UJSSFS(Star A216 meters only)
t$POUSBTU
t"VUP4IVU0GG
t6TFS*%
t4BNQMF*%
t%BUB-PH
t$BMJCSBUJPO-PH
t'BDUPSZ3FTFU
t6TFS3FTFU
t4FMG5FTU
t4UBCJMJUZ5FTU
t"CPVU.FUFS
10 Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
pH Channel Menu
5IFQ)$IBOOFMTFUVQNFOVJTVTFEUPSFWJFXBOEDIBOHFQBSBNFUFSTSFMBUJOHUPQ)N7SFMBUJWFN7BOE031
measurements and calibrations.
Main Setup Menu 2nd Level 3rd Level Menu Options Menu Description
pH Channel Method List of Methods
.FOVBMMPXTUIFDVSSFOUNFUFSTFUUJOHTUPCFTBWFEBTBOFXNFUIPE
an existing method to be run on the meter, or an existing method to be
WJFXFEFEJUFEDPQJFEEFMFUFEPSQSJOUFE
Mode and Settings
Measure Mode
tQ)
tN7
t3N7
t031
.FOVVTFEUPTFMFDUUIFEJTQMBZFENFBTVSFNFOUNPEFXIJDI
EFUFSNJOFTUIFUZQFPGDBMJCSBUJPOUIFNFUFSXJMMQFSGPSN
Read Type
t"VUP
t$POUJOVPVT
t5JNFE
.FOVVTFEUPTFMFDUIPXUIFNFUFSXJMMUBLFNFBTVSFNFOUT
Auto ( )– Press to take a measurement. When the
measurement is stable, it is locked on the display until is
pressed again.
Continuous – The measurement is constantly updated on the
display and stabilizing or readyJTTIPXOUPJOEJDBUFUIF
measurement stability.
Timed – Measurements are taken at a set time interval. To enter
the time interval, highlight tTimed press to highlight the
hours (HH), minutes (MM) or seconds (SS), press f3 (edit) and use
the numeric entry screen to change the values.
Resolution
t%FDJNBM1MBDF

t%FDJNBM1MBDFT

t%FDJNBM1MBDFT

Menu used to select the resolution for the displayed measurement values.
Buffer Group t64"
t%*/
Menu used to select the buffer group used for automatic buffer
recognition during pH calibrations.
64"oQ)CVGGFST
%*/oQ)CVGGFST
11
Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
pH Channel Menu (cont.)
Main Setup Menu 2nd Level 3rd Level Menu Options Menu Description
pH Channel
(cont.)
Mode and Settings
(cont.)
Stability
t4NBSU4UBCJMJUZ
t'BTU
t.FEJVN
t4MPX
.FOVVTFEUPTFMFDUIPXUIFTUBCJMJUZPGUIFEJTQMBZFENFBTVSFNFOU
values is indicated. Smart Stability automatically compensates for
measurement conditions and optimizes the meter response time.
Averaging t0GG
t"VUPNBUJD4NBSU
Menu used to turn the averaging function on or off. Automatic Smart
automatically compensates for measurement conditions and optimizes
the meter response time.
-JNJU"MBSN
t-JNJU"MBSN
On
Off
t"MBSN4FUUJOHT
-PX
High
)JHI-PX
t)JHI-JNJU
t-PX-JNJU
Menu used to turn the limit alarm on or off and to set the limit alarm
parameters. The limit alarm is triggered if the measurement goes above
BIJHIWBMVFBOEPSCFMPXBMPXWBMVFTFUCZUIFPQFSBUPS1SFTT
or to change the setting on each line, press or to select
another line and use the numeric entry screen to enter limit values.
Cal Due Alarm
t$BM%VF"MBSN
On
Off
t$BM%VF-JNJU
Menu used to turn the calibration due alarm on or off and to set the
calibration due alarm time. The calibration due alarm is triggered if a
TFUBNPVOUPGUJNFIBTQBTTFEXJUIPVUBDBMJCSBUJPOCFJOHQFSGPSNFE
Press or to change the setting on the top line, press or
to select another line and use the numeric entry screen to enter
the calibration due value in hours.
Temperature Manual Temp Value Default value or last
entered value
.FOVVTFEUPTFUUIFUFNQFSBUVSFWBMVFUIBUXJMMCFVTFEGPSBMM
NFBTVSFNFOUTBOEDBMJCSBUJPOT6TFUIFOVNFSJDFOUSZTDSFFOUPFOUFS
the temperature.
5FNQFSBUVSF6OJU t$FMTJVT
t'BISFOIFJU Menu used to select the temperature units.
Temperature Calibration
t"5$
t4PMVUJPO
Temperature
t.FNCSBOF
Temperature
t4PM.FN
Temperature
t"5$4PM
Mem Temp
.FOVBMMPXTUIFUFNQFSBUVSFNFBTVSFECZBO"5$QSPCFTFQBSBUFPS
built in to an electrode), solution temperature measured by a DO probe,
membrane temperature measured by a DO probe or a combination of
these to be adjusted by the operator.
5FNQFSBUVSF*OQVU
t"5$
t%01SPCF
t.BOVBM
.FOVVTFEUPTFMFDUUIFTPVSDFPGUIFUFNQFSBUVSFNFBTVSFNFOUXIFO
NVMUJQMFFMFDUSPEFTXJUIUFNQFSBUVSFGVODUJPOBSFDPOOFDUFEUPUIFNFUFS
12 Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
DO/RDO Channel Menu
5IF%03%0$IBOOFMTFUVQNFOVJTVTFEUPSFWJFXBOEDIBOHFQBSBNFUFSTSFMBUJOHUPEJTTPMWFEPYZHFONFBTVSFNFOUT
and calibrations.
Main Setup Menu 2nd Level 3rd Level Menu Options Menu Description
DO/RDO Channel Method List of Methods
.FOVBMMPXTUIFDVSSFOUNFUFSTFUUJOHTUPCFTBWFEBTBOFXNFUIPE
an existing method to be run on the meter, or an existing method to be
WJFXFEFEJUFEDPQJFEEFMFUFEPSQSJOUFE
Mode and Settings
Measure Mode
t%0
t3%0
t"VUP
Menu used to select the type of DO probe used. The meter accepts
and automatically recognizes Orion RDO optical DO probes and Orion
QPMBSPHSBQIJD%0QSPCFT6TFUIJTNFOVJGBEJGGFSFOUQSPCFJTVTFEPS
the probe type needs to be verified.
.FBTVSF6OJU tNH-
tTBU Menu used to select the displayed measurement units.
3FTPMVUJPONH-NPEF
t1 Decimal Place

t2 Decimal Places

Menu used to select the resolution for the displayed measurement values.
3FTPMVUJPOTBUNPEF
t1 Decimal Place
1
t2 Decimal Places

Menu used to select the resolution for the displayed measurement values.
Read Type
t"VUP
t$POUJOVPVT
t5JNFE
.FOVVTFEUPTFMFDUIPXUIFNFUFSXJMMUBLFNFBTVSFNFOUT
Auto ( ) – Press to take a measurement. When the
measurement is stable, it is locked on the display until is
pressed again.
Continuous – The measurement is constantly updated on the
display and stabilizing or readyJTTIPXOUPJOEJDBUFUIF
measurement stability.
Timed – Measurements are taken at a set time interval. To enter
the time interval, highlight t5JNFEpress to highlight the
hours (HH), minutes (MM) or seconds (SS), press f3 (edit) and use
the numeric entry screen to change the values.
Baro Press tAutomatic
tManual
Menu used to select automatic or manual barometric pressure
DPNQFOTBUJPOGPSEJTTPMWFEPYZHFONFBTVSFNFOUT6TFUIFOVNFSJD
entry screen to enter a manual value.
Salinity Correct tManual Menu used to set manual salinity correction for dissolved oxygen
NFBTVSFNFOUT6TFUIFOVNFSJDFOUSZTDSFFOUPFOUFSBNBOVBMWBMVF
Stability
t4NBSU4UBCJMJUZ
t'BTU
t.FEJVN
t4MPX
.FOVVTFEUPTFMFDUIPXUIFTUBCJMJUZPGUIFEJTQMBZFENFBTVSFNFOU
values is indicated. Smart Stability automatically compensates for
measurement conditions and optimizes the meter response time.
13
Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
DO/RDO Channel Menu (cont.)
Main Setup Menu 2nd Level 3rd Level Menu Options Menu Description
DO/RDO Channel
(cont.)
Mode and Settings
(cont.)
Averaging t0GG
t"VUPNBUJD4NBSU
Menu used to turn the averaging function on or off. Automatic Smart
automatically compensates for measurement conditions and optimizes
the meter response time.
-JNJU"MBSN
t-JNJU"MBSN
On
Off
t"MBSN4FUUJOHT
-PX
High
)JHI-PX
t)JHI-JNJU
t-PX-JNJU
Menu used to turn the limit alarm on or off and to set the limit alarm
parameters. The limit alarm is triggered if the measurement goes above
BIJHIWBMVFBOEPSCFMPXBMPXWBMVFTFUCZUIFPQFSBUPS1SFTT
or to change the setting on each line, press or to select
another line and use the numeric entry screen to enter limit values.
Cal Due Alarm
t$BM%VF"MBSN
On
Off
t$BM%VF-JNJU
Menu used to turn the calibration due alarm on or off and to set the
calibration due alarm time. The calibration due alarm is triggered if a
TFUBNPVOUPGUJNFIBTQBTTFEXJUIPVUBDBMJCSBUJPOCFJOHQFSGPSNFE
Press or to change the setting on the top line, press or
to select another line and use the numeric entry screen to enter
the calibration due value in hours.
3%0$BQ-JGF
(RDO mode)
$BQ-JGF
4FSJBM/VNCFS
Menu used to display the RDO optical cap life as days remaining and the
RDO optical cap serial number.
Temperature Manual Temp Value Default value or last
entered value
.FOVVTFEUPTFUUIFUFNQFSBUVSFWBMVFUIBUXJMMCFVTFEGPSBMM
NFBTVSFNFOUTBOEDBMJCSBUJPOT6TFUIFOVNFSJDFOUSZTDSFFOUPFOUFS
the temperature.
5FNQFSBUVSF6OJU t$FMTJVT
t'BISFOIFJU Menu used to select the temperature units.
Temperature Calibration
t4PMVUJPO5FNQFSBUVSF
t.FNCSBOF
Temperature
t4PM.FN
Temperature
.FOVBMMPXTUIFTPMVUJPOUFNQFSBUVSFNFBTVSFECZB%0QSPCF
membrane temperature measured by a DO probe or a combination of
these to be adjusted by the operator.
5FNQFSBUVSF*OQVU
t"5$
t%01SPCF
t.BOVBM
.FOVVTFEUPTFMFDUUIFTPVSDFPGUIFUFNQFSBUVSFNFBTVSFNFOUXIFO
NVMUJQMFFMFDUSPEFTXJUIUFNQFSBUVSFGVODUJPOBSFDPOOFDUFEUPUIFNFUFS
14 Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Settings Menu
5IF4FUUJOHTTFUVQNFOVJTVTFEUPSFWJFXBOEDIBOHFQBSBNFUFSTSFMBUJOHUPUIFHFOFSBMPQFSBUJPOPGUIFNFUFS
Main Setup Menu 2nd Level Menu Options Menu Description
Settings
&YQPSU%BUB
t1SJOUJOH
t0O
t0GG
t$PNN4FUVQ
t34
t64#
t%BUB'PSNBU
t1SJOUFS
t1$$47
t$PNN$POGJH
t
t
t
t
t
t
Menu used to turn data exporting on or off, set the meter to be interfaced using the
34PS64#QPSUTFUUIFFYQPSUFEEBUBGPSNBUGPSBQSJOUFSTUSJOHPGUFYUPS1$
(comma delimited text) and set the baud rate.
%BUB-PH t0GG
t0O Menu used to turn on or off the data log feature.
Date / Time t%BUF
t%%..::
t..%%::
t5JNF
t)PVS$MPDL
t)PVS$MPDL
Menu used to set the date format as day/month/year or month/day/year; enter
UIFEBUFWBMVFTTFUUIFUJNFGPSNBUBTIPVSPSIPVSDMPDLBOEFOUFSUIFUJNF
WBMVFT6TFUIFOVNFSJDFOUSZTDSFFOUPFOUFSUIFWBMVFT
-BOHVBHF t&OHMJTI
t4QBOJTI
t(FSNBO
t'SFODI
t*UBMJBO
t$IJOFTF
Menu used to set the language for all displayed meter prompts.
,FZ1SFTT#FFQ t0GG
t0O Menu used to turn on or off the beep sound made every time a meter key is pressed.
Alarm Beep t0GG
t0O .FOVVTFEUPUVSOPOPSPGGUIFCFFQTPVOENBEFXIFOBOBMBSNWBMVFJTSFBDIFE
15
Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Settings Menu (cont.)
Main Setup Menu 2nd Level Menu Options Menu Description
Settings (cont.)
Stirrer t4QFFE
t4QFFE
t4QFFE
t4QFFE
t4QFFE
Menu used to turn the stirrer probe on or off and to set the stirrer probe speed.
Star A216 meters only.
Contrast t-FWFM
t-FWFM
t-FWFM
t-FWFM
t-FWFM
t-FWFM
Menu used to set the display contrast.
Auto Shut Off t0GG
t0O
.FOVVTFEUPUVSOPOPSPGGUIFNFUFSBVUPNBUJDTIVUPGGGFBUVSFXIJDIUVSOTUIF
NFUFSPGGXIFOOPLFZTBSFQSFTTFEGPSNJOVUFT
6TFS*% Default value or last
entered value .FOVVTFEUPTFUUIFVTFS*%6TFUIFBMQIBOVNFSJDFOUSZTDSFFOUPFOUFSUIFVTFS*%
4BNQMF*% t0GG
t.BOVBM
t"VUP*ODSFNFOUBM
.FOVVTFEUPUVSOUIFTBNQMF*%PGGPSPO8IFOTBNQMF*%JTTFUUPNBOVBMPSBVUP
JODSFNFOUBMFOUFSUIFTBNQMF*%JOUIFNFBTVSFNFOUNPEFCZQSFTTJOHf2 (sample
ID) and using the alphanumeric entry screen.
View Log Menu
5IF7JFX-PHTFUVQNFOVJTVTFEUPBDDFTTJOGPSNBUJPOTUPSFEJOUIFEBUBMPHBOEDBMJCSBUJPOMPH3FGFSUPUIF%BUB
Storage and Retrieval chapter for detailed information on using this setup menu.
Diagnostics Menu
5IF%JBHOPTUJDTTFUVQNFOVJTVTFEUPQFSGPSNUIFNFUFSTFMGUFTUSFTFUUIFNFUFSUPUIFGBDUPSZEFGBVMUTFUUJOHTBOE
EJTQMBZNFUFSJOGPSNBUJPOJODMVEJOHTFSJBMOVNCFSBOETPGUXBSFSFWJTJPO3FGFSUPUIF$VTUPNFS4FSWJDFTDIBQUFSGPS
detailed information on using this setup menu.
16 Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
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17
Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Chapter 4 pH, RmV and ORP Calibration
5IF0SJPO4UBS"BOE4UBS"TFSJFTQ)NFUFSTDBOQFSGPSNBPOFUPmWFQPJOUQ)DBMJCSBUJPOPOFQPJOUSFMBUJWF
N7DBMJCSBUJPOBOEPOFQPJOU031DBMJCSBUJPO4UFQCZTUFQJOTUSVDUJPOTBOEQSPNQUTBSFEJTQMBZFEPOUIFNFUFSUP
BTTJTUPQFSBUPSTXJUIUIFDBMJCSBUJPONFOVT5IFNFUFSDBOTBWFVQUPDBMJCSBUJPOTJOUIFMPHBOEDBMJCSBUJPOEBUB
can be exported from the meter to a printer or computer.
pH Calibration
0OFUPmWFQ)CVGGFSTDBOCFVTFEGPSDBMJCSBUJPO"MXBZTVTFGSFTIQ)CVGGFSTBOETFMFDUCVGGFSTUIBUCSBDLFUUIF
sample pH and are one to four pH units apart. Prepare the pH electrode according to the instructions in the electrode
use guide. Connect the pH electrode and any other electrodes to be used (stirrer probe, ATC probe, reference
FMFDUSPEFUPUIFNFUFS1PXFSPOUIFNFUFSBOETFUUIFNFBTVSFNFOUNPEFUPQ)
Note: In most calibration screens, press f1 (esc) to return to the measurement mode without saving the calibration.
 *OUIFNFBTVSFNFOUNPEFQSFTTf1 (cal)*OEVBMDIBOOFMNFBTVSFNFOUEJTQMBZTQSFTT or to highlight
pH – Channel and press f2 (select).
 3JOTFUIFQ)FMFDUSPEFBOEBOZPUIFSFMFDUSPEFTJOVTFXJUIEJTUJMMFEXBUFSCMPUESZXJUIBMJOUGSFFUJTTVFBOEQMBDF
into the pH buffer.
3. When the electrode and buffer are ready, press f3 (start)*GVTJOHB4UBS"CFODIUPQNFUFSBOETUJSSFSQSPCFUIF
TUJSSFSQSPCFXJMMBVUPNBUJDBMMZTUBSUTUJSSJOHBUUIFTQFFETFMFDUFEJOUIFTFUVQNFOVPODFf3 (start) is pressed and
stop stirring once the reading stabilizes.
 8BJUGPSUIFQ)WBMVFPOUIFNFUFSUPTUBCJMJ[FBOETUPQnBTIJOHBOEQFSGPSNPOFPGUIFGPMMPXJOHBDUJPOT
a. Press f2 (accept) to accept the displayed value.
b. Press f3 (edit) to access the numeric entry screen and edit the value.
i. Press , , or to highlight a number, decimal point or negative sign; press
f3 (enter) to select the highlighted item and repeat until the value at the measured temperature is
TIPXOBCPWFUIFOVNFSJDFOUSZTDSFFO
ii. Press f2 (done) to exit the numeric entry screen.
iii. P r es s f2 (accept) to accept the entered value.
 1SFTTf2 (next) UPQSPDFFEUPUIFOFYUCVGGFSBOESFQFBUTUFQTUISPVHIPSpress f3 (cal done) to save and end
UIFDBMJCSBUJPO*GmWFCVGGFSTBSFVTFEUIFDBMJCSBUJPOXJMMTBWFBOEFOEPODFUIFmGUIWBMVFJTBDDFQUFE
B *GBPOFQPJOUDBMJCSBUJPOJTQFSGPSNFEQSFTTf2 (accept) to accept the displayed slope value or press
f3 (edit) to access the numeric entry screen, enter the slope value and press f2 (accept).
 5IFNFUFSXJMMEJTQMBZUIFDBMJCSBUJPOTVNNBSZJODMVEJOHUIFBWFSBHFTMPQFBOEFYQPSUUIFEBUBUPUIFDBMJCSBUJPOMPH1SFTT
f1 (meas) to proceed to the measurement mode or press f2 (print) to proceed to the measurement mode and export the
data to a printer or computer.
18 Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Calibration Editing
 *OUIFDBMJCSBUJPOTVNNBSZEJTQMBZQ)DBMJCSBUJPOTUFQpress f3 (cal edit) to edit the calibration points.
2. Press or to highlight the calibration point to be edited and press f2 (select).
3. Press or to highlight Remeasure, Edit or Delete and press f2 (select).
B *G RemeasureJTTFMFDUFESFQFBUQ)DBMJCSBUJPOTUFQTUISPVHI
C *GEdit is selected, press f3 (edit)UPBDDFTTUIFOVNFSJDFOUSZTDSFFOFOUFSUIFOFXWBMVFQSFTTf2
(done) and then press f2 (accept). Select another calibration point to edit or press f1 (back).
D *GDeleteJTTFMFDUFEUIFDBMJCSBUJPOQPJOUXJMMCFEFMFUFE*GEFMFUJOHUIFDBMJCSBUJPOQPJOUDIBOHFT
the calibration to a one point calibration, enter the slope using the numeric entry screen.
 5IFNFUFSXJMMEJTQMBZBOVQEBUFEDBMJCSBUJPOTVNNBSZBOEFYQPSUUIFEBUBUPUIFDBMJCSBUJPOMPH1SFTT
f1 (meas) to proceed to the measurement mode, press f2 (print) to proceed to the measurement mode and
export the data to a printer or computer or press f3 (cal edit) to edit another calibration point.
RmV Calibration
0OFTUBOEBSEDBOCFVTFEGPSBSFMBUJWFN7DBMJCSBUJPO"MXBZTVTFGSFTITUBOEBSE1SFQBSFUIFFMFDUSPEFBDDPSEJOHUP
the instructions in the electrode use guide. Connect the electrode and any other electrodes to be used (stirrer probe, ATC
QSPCFSFGFSFODFFMFDUSPEFUPUIFNFUFS1PXFSPOUIFNFUFSBOETFUUIFNFBTVSFNFOUNPEFUP3N7
Note: In most calibration screens, press f1 (esc) to return to the measurement mode without saving the calibration.
 *OUIFNFBTVSFNFOUNPEFQSFTTf1 (cal)*OEVBMDIBOOFMNFBTVSFNFOUEJTQMBZTQSFTT or to highlight
pH – Channel and press f2 (select).
 3JOTFUIFFMFDUSPEFBOEBOZPUIFSFMFDUSPEFTJOVTFXJUIEJTUJMMFEXBUFSCMPUESZXJUIBMJOUGSFFUJTTVFBOEQMBDF
into the standard.
3. When the electrode and standard are ready, press f3 (start)*GVTJOHB4UBS"CFODIUPQNFUFSBOETUJSSFS
QSPCFUIFTUJSSFSQSPCFXJMMBVUPNBUJDBMMZTUBSUTUJSSJOHBUUIFTQFFETFMFDUFEJOUIFTFUVQNFOVPODF
f3 (start) is pressed and stop stirring once the reading stabilizes.
 8BJUGPSUIFN7WBMVFPOUIFNFUFSUPTUBCJMJ[FJOEJDBUFECZUIFnBTIJOHstabilizing or solid ready icon, and
QFSGPSNPOFPGUIFGPMMPXJOHBDUJPOT
a. Press f2 (accept)UPBDDFQUUIFN7WBMVFTIPXOPOUIFRel Value line.
b. Press f3 (edit)UPBDDFTTUIFOVNFSJDFOUSZTDSFFOBOEFEJUUIFN7WBMVFTIPXOPOUIFRel Value line.
i. Press , , or to highlight a number, decimal point or negative sign; press f3 (enter) to
TFMFDUUIFIJHIMJHIUFEJUFNBOESFQFBUVOUJMUIFWBMVFBUUIFNFBTVSFEUFNQFSBUVSFJTTIPXO
ii. Press f2 (done) to exit the numeric entry screen.
iii. P r es s f2 (accept) to accept the entered mV value.
 5IFNFUFSXJMMEJTQMBZUIFDBMJCSBUJPOTVNNBSZJODMVEJOHUIFN7PGGTFUBOEFYQPSUUIFEBUBUPUIFDBMJCSBUJPOMPH
Press f1 (meas) to proceed to the measurement mode or press f2 (print) to proceed to the measurement mode
and export the data to a printer or computer.
19
Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
ORP Calibration
The mV reading of an ORP standard is dependent on the ORP electrode reference system, reference material and
mMMJOHTPMVUJPOBTXFMMBTUIF031TUBOEBSEUFNQFSBUVSF"O031FMFDUSPEFDBOCFBVUPNBUJDBMMZDBMJCSBUFEUPSFBE
N7SFMBUJWFUPUIF4UBOEBSE)ZESPHFO&MFDUSPEF&HBU¡$XIFOUIF0SJPO031TUBOEBSE$BU/P
PS0SJPO031FMFDUSPEF$BU/P#/81#/81#/.%PS#/.%BOE0SJPO.
,$MmMMJOHTPMVUJPO$BU/PPS.,$MHFMJO$BU/P#/.%BSFVTFE5IFSBXN7SFBEJOHPGBO
FMFDUSPEFXJUIUIFTBNFDPOEJUJPOTJTN7BU¡$
5IF5IFSNP4DJFOUJmD0SJPO031TUBOEBSEJTOPOIB[BSEPVTTUBCMFBOEXJMMOPUDIBOHFPWFSUJNFTPJUJTBOJEFBM
TUBOEBSEGPSBOZ031NFBTVSFNFOUTZTUFN5IF0SJPO4UBS"BOE4UBS"TFSJFTQ)NFUFSTPGGFSBTJNQMF
BVUPNBUJDDBMJCSBUJPOUPUIF&HWBMVFJOUIF031NPEFXIFOVTJOH0SJPO031FMFDUSPEFTBOETUBOEBSE7JTJU
XXXUIFSNPTDJFOUJmDDPNXBUFSGPS031BQQMJDBUJPOOPUFTUIBUJODMVEFBUBCMFPG031TUBOEBSEWBMVFTBU
different temperatures.
0OFTUBOEBSEDBOCFVTFEGPS031DBMJCSBUJPO"MXBZTVTFGSFTI031TUBOEBSE1SFQBSFUIF031FMFDUSPEF
according to the instructions in the electrode use guide. Connect the electrode and any other electrodes to be
VTFETUJSSFSQSPCF"5$QSPCFSFGFSFODFFMFDUSPEFUPUIFNFUFS1PXFSPOUIFNFUFSBOETFUUIFNFBTVSFNFOU
mode to ORP.
Note: In most calibration screens, press f1 (esc) to return to the measurement mode without saving the calibration.
 *OUIFNFBTVSFNFOUNPEFQSFTTf1 (cal)*OEVBMDIBOOFMNFBTVSFNFOUEJTQMBZTQSFTT or to highlight
pH – Channel and press f2 (select).
 3JOTFUIF031FMFDUSPEFBOEBOZPUIFSFMFDUSPEFTJOVTFXJUIEJTUJMMFEXBUFSCMPUESZXJUIBMJOUGSFFUJTTVF
and place into the standard.
3. When the electrode and standard are ready, press f3 (start)*GVTJOHB4UBS"CFODIUPQNFUFSBOETUJSSFS
QSPCFUIFTUJSSFSQSPCFXJMMBVUPNBUJDBMMZTUBSUTUJSSJOHBUUIFTQFFETFMFDUFEJOUIFTFUVQNFOVPODF
f3 (start) is pressed and stop stirring once the reading stabilizes.
 8BJUGPSUIFN7WBMVFPOUIFNFUFSUPTUBCJMJ[FJOEJDBUFECZUIFnBTIJOHstabilizing or solid ready icon, and
press f2 (accept) once the value is stable.
 5IFNFUFSXJMMEJTQMBZUIFDBMJCSBUJPOTVNNBSZJODMVEJOHUIFN7PGGTFUBOEFYQPSUUIFEBUBUPUIFDBMJCSBUJPO
log. Press f1 (meas) to proceed to the measurement mode or press f2 (print) to proceed to the measurement
mode and export the data to a printer or computer.
20 Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
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21
Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Chapter 5 RDO/DO Calibration
1PMBSPHSBQIJD%0QSPCFTPOMZ"QPMBSPHSBQIJD%0QSPCFNVTUCFQPMBSJ[FE5IFQSPCFJTDPOUJOVPVTMZQPMBSJ[FEXIFO
JUJTDPOOFDUFEUPUIFNFUFS*GUIFQSPCFJTOPUDPOOFDUFEUPUIFNFUFSDPOOFDUUIFQSPCFUPUIFNFUFSDPOOFDUUIF
NFUFSUPBQPXFSTPVSDFBOEXBJUUPNJOVUFTGPSQPMBSJ[BUJPO
5IF0SJPO4UBS"BOE4UBS"NFUFSTDBOQFSGPSNBDBMJCSBUJPOVTJOHXBUFSTBUVSBUFEBJS"JSBJSTBUVSBUFE
XBUFS8BUFS8JOLMFSUJUSBUJPO.BOVBMPS[FSPQPJOUDBMJCSBUJPO4FU;FSP4UFQCZTUFQJOTUSVDUJPOTBOEQSPNQUT
BSFEJTQMBZFEPOUIFNFUFSUPBTTJTUPQFSBUPSTXJUIUIFDBMJCSBUJPONFOVT5IFNFUFSDBOTBWFVQUPDBMJCSBUJPOTJO
the log and calibration data can be exported from the meter to a printer or computer.
Air Dissolved Oxygen Calibration
"OBJSDBMJCSBUJPOJTQFSGPSNFEJOXBUFSTBUVSBUFEBJSVTJOHUIFDBMJCSBUJPOTMFFWFJODMVEFEXJUIUIF%0QSPCF
5IJTJTUIFTJNQMFTUBOENPTUBDDVSBUFDBMJCSBUJPO%VFUPUIFJOIFSFOUEJGGFSFODFTCFUXFFOXBUFSTBUVSBUFEBJS
BOEBJSTBUVSBUFEXBUFSTBUVSBUJPOXJMMCFEJTQMBZFEXIFOUIFDBMJCSBUJPOSFBEJOHJTTUBCMFXIFOVTJOHB
QPMBSPHSBQIJD%0QSPCF5IFIJHIFTUQPTTJCMFBDDVSBDZJTSFBDIFEXIFODBMJCSBUJPOUFNQFSBUVSFJTUIFTBNFBT
UIFNFBTVSJOHUFNQFSBUVSF.PJTUFOUIFTQPOHFPSBCTPSCFOUDMPUIJOUIFDBMJCSBUJPOTMFFWFXJUIEJTUJMMFEXBUFS
BOEJOTFSUUIFQSPCFJOUPUIFTMFFWFXJUIPVUUPVDIJOHUIFXBUFSTBUVSBUFENBUFSJBM'PS#0%NFBTVSFNFOUTUIJT
calibration can be performed in a BOD bottle.
Note: In most calibration screens, press f1 (esc) to return to the measurement mode without saving the calibration.
 *OUIFNFBTVSFNFOUNPEFQSFTTf1 (cal). *OEVBMDIBOOFMNFBTVSFNFOUEJTQMBZTQSFTT or
to highlight DO/RDO – Channel and press f2 (select).
2. Press or to highlight Air and press f3 (select).
 3JOTFUIF3%0PQUJDBM%0QSPCFPSQPMBSPHSBQIJD%0QSPCFXJUIEJTUJMMFEXBUFSCMPUESZXJUIBMJOUGSFFUJTTVFBOEQMBDF
JOUPUIFQSFQBSFEDBMJCSBUJPOTMFFWFPS#0%CPUUMF"MMPXUIFQSPCFBOEXBUFSTBUVSBUFEBJSUPSFBDIFRVJMJCSJVN
 8IFOUIFQSPCFBOEXBUFSTBUVSBUFEBJSBSFSFBEZQSFTTf3 (start).
 8BJUGPSUIFEJTTPMWFEPYZHFOSFBEJOHPOUIFNFUFSUPTUBCJMJ[FBOETUPQnBTIJOH0ODFUIFSFBEJOHJTTUBCMFUIF
NFUFSXJMMEJTQMBZ Reading is stable. Accept Auto Calibration Value and 101.7 % if using an RDO optical DO probe
or 102.3 % if using a polarographic DO probe.
6. Press f3 (cal done) to export the data to the calibration log or press f2 (print) to export the data to the calibration
MPHBOEBQSJOUFSPSDPNQVUFS5IFNFUFSXJMMQSPDFFEUPUIFNFBTVSFNFOUNPEF
22 Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Water Dissolved Oxygen Calibration
"XBUFSDBMJCSBUJPOJTQFSGPSNFEVTJOHXBUFSUIBUJTTBUVSBUFEXJUIBJS#VCCMFBJSJOUPBXBUFSTBNQMFBOE
gently stir the sample to prevent the buildup of air bubbles on the dissolved oxygen probe membrane.
Note: In most calibration screens, press f1 (esc) to return to the measurement mode without saving the calibration.
 *OUIFNFBTVSFNFOUNPEFQSFTTf1 (cal)*OEVBMDIBOOFMNFBTVSFNFOUEJTQMBZTQSFTT or to highlight
DO/RDO – Channel and press f2 (select).
2. Press or to highlight Water and press f3 (select).
 3JOTFUIF%0QSPCFBOEBOZPUIFSFMFDUSPEFTJOVTFXJUIEJTUJMMFEXBUFSCMPUESZXJUIBMJOUGSFFUJTTVFBOEQMBDF
JOUPUIFQSFQBSFEBJSTBUVSBUFEXBUFS"MMPXUIF%0QSPCFBOEBJSTBUVSBUFEXBUFSUPSFBDIFRVJMJCSJVN
 8IFOUIF%0QSPCFBOEBJSTBUVSBUFEXBUFSBSFSFBEZQSFTTf3 (start).
 8BJUGPSUIFEJTTPMWFEPYZHFOSFBEJOHPOUIFNFUFSUPTUBCJMJ[FBOETUPQnBTIJOH0ODFUIFSFBEJOHJTTUBCMFUIF
NFUFSXJMMEJTQMBZReading is stable. Accept Auto Calibration Value and 100 %.
6. Press f3 (cal done) to export the data to the calibration log or press f2 (print) to export the data to the calibration
MPHBOEBQSJOUFSPSDPNQVUFS5IFNFUFSXJMMBVUPNBUJDBMMZQSPDFFEUPUIFNFBTVSFNFOUNPEF
23
Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Manual Dissolved Oxygen Calibration
"NBOVBMDBMJCSBUJPOJTQFSGPSNFEVTJOHBXBUFSTBNQMFXJUIBLOPXODPODFOUSBUJPOPGEJTTPMWFEPYZHFO5IJT
method can be used to calibrate the DO probe to the value achieved by a Winkler titration. A manual calibration
involves performing a Winkler titration and using that sample as a calibration standard. The oxygen level result
from the titration is entered in a manual calibration as the dissolved oxygen value. This correlates the meter input
to the Winkler titration. This method is inherently less accurate, due to the possibility of titration errors.
Note: In most calibration screens, press f1 (esc) to return to the measurement mode without saving the calibration.
 *OUIFNFBTVSFNFOUNPEFQSFTTf1 (cal)*OEVBMDIBOOFMNFBTVSFNFOUEJTQMBZTQSFTT or
to highlight DO/RDO – Channel and press f2 (select).
2. Press or to highlight Manual and press f3 (select).
 3JOTFUIF%0QSPCFBOEBOZPUIFSFMFDUSPEFTJOVTFXJUIEJTUJMMFEXBUFSCMPUESZXJUIBMJOUGSFFUJTTVFBOE
QMBDFJOUPUIFQSFQBSFEXBUFSTBNQMFXJUIBLOPXOEJTTPMWFEPYZHFODPODFOUSBUJPO"MMPXUIF%0QSPCFBOE
XBUFSTBNQMFUPSFBDIFRVJMJCSJVN
 8IFOUIF%0QSPCFBOEXBUFSTBNQMFBSFSFBEZQSFTTf3 (start).
 8BJUGPSUIFEJTTPMWFEPYZHFOSFBEJOHPOUIFNFUFSUPTUBCJMJ[FBOETUPQnBTIJOH1FSGPSNPOFPGUIFGPMMPXJOHBDUJPOT
a. Press f2 (accept)UPBDDFQUUIFEJTQMBZFEEJTTPMWFEPYZHFOWBMVFJONH-NJMMJHSBNTQFSMJUFS
b. Press f3 (edit) to access the numeric entry screen and edit the dissolved oxygen value.
i. Press , , or to highlight a number or decimal point, press f3 (enter) to select
UIFIJHIMJHIUFEJUFNBOESFQFBUVOUJMUIFEJTTPMWFEPYZHFOWBMVFJONH-JTTIPXO
ii. Press f2 (done) to exit the numeric entry screen.
iii. P r es s f2 (accept) to accept the entered dissolved oxygen value.
6. Press f3 (cal done) to export the data to the calibration log or press f2 (print) to export the data to the
DBMJCSBUJPOMPHBOEBQSJOUFSPSDPNQVUFS5IFNFUFSXJMMBVUPNBUJDBMMZQSPDFFEUPUIFNFBTVSFNFOUNPEF
24 Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Set Zero Dissolved Oxygen Calibration
"[FSPQPJOUDBMJCSBUJPOJTQFSGPSNFEJOBOPYZHFOGSFFTPMVUJPO;FSPUIFQSPCFXIFOVTJOHBOFXNFNCSBOF
VTJOHGSFTIFMFDUSPMZUFTPMVUJPOPSXIFONFBTVSJOHEJTTPMWFEPYZHFOMFWFMTCFMPXTBUVSBUJPOPSNH-
"[FSPQPJOUDBMJCSBUJPOJTOPUHFOFSBMMZSFRVJSFEVOMFTTNFBTVSFNFOUTXJMMCFUBLFOCFMPXTBUVSBUJPOPS
NH-1FSGPSNBOBJSPSXBUFSDBMJCSBUJPOCFGPSFQFSGPSNJOHB[FSPQPJOUDBMJCSBUJPO
Note: In most calibration screens, press f1 (esc) to return to the measurement mode without saving the calibration.
 *OUIFNFBTVSFNFOUNPEFQSFTTf1 (cal)*OEVBMDIBOOFMNFBTVSFNFOUEJTQMBZTQSFTT or to
highlight DO/RDO – Channel and press f2 (select).
2. Press or to highlight Set Zero and press f3 (select).
 3JOTFUIF3%0PQUJDBM%0QSPCFPSQPMBSPHSBQIJD%0QSPCFBOEBOZPUIFSFMFDUSPEFTJOVTFXJUIEJTUJMMFE
XBUFSCMPUESZXJUIBMJOUGSFFUJTTVFBOEQMBDFJOUPUIFQSFQBSFE[FSPPYZHFOTUBOEBSE"MMPXUIFQSPCFBOE
standard to reach equilibrium.
 8IFOUIFQSPCFBOE[FSPPYZHFOTUBOEBSEBSFSFBEZQSFTT f3 (start).
 8BJUGPSUIFEJTTPMWFEPYZHFOSFBEJOHPOUIFNFUFSUPTUBCJMJ[FBOETUPQnBTIJOH0ODFUIFSFBEJOHJTTUBCMF
UIFNFUFSXJMMEJTQMBZReading is stable. Accept Auto Calibration Value and 0.00.
6. Press f3 (cal done) to export the data to the calibration log or press f2 (print) to export the data to the
DBMJCSBUJPOMPHBOEBQSJOUFSPSDPNQVUFS5IFNFUFSXJMMQSPDFFEUPUIFNFBTVSFNFOUNPEF
25
Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Chapter 6 Temperature Calibration
5IFNFUFS"5$UFNQFSBUVSFEJTQMBZIBTBSFMBUJWFBDDVSBDZPG¡$"5$QSPCFTCPUITFQBSBUFBOEUIPTFCVJMUJOUP
FMFDUSPEFTIBWFWBSZJOHUFNQFSBUVSFBDDVSBDJFTVTVBMMZ¡$UP¡$6TFUIJTGVODUJPOPOMZJGJUJTOFDFTTBSZ
to calibrate the temperature readings taken by the ATC probe. Since the temperature offset calculated during the
calibration is applied to all future temperature measurements, recalibrate if a different ATC probe is used.
Temperature calibration is for the calibration of an ATC probe (separate or built in to a pH electrode or ORP
electrode), the solution temperature measured by a DO probe, the membrane temperature measured by a DO probe
PSBDPNCJOBUJPOPGUIFTF*GNBOVBMUFNQFSBUVSFDPNQFOTBUJPOJTCFJOHVTFEBOEUIFEJTQMBZTIPXT."/BTUIF
temperature source icon, set the manual temperature value using the Manual Temp Value menu. The temperature
calibration menu is not accessible unless an ATC probe is connected to the meter.
 *OUIFNFBTVSFNFOUNPEFQSFTT .
2. Press , , or to highlight pH Channel or DO/RDO Channel and press f3 (select).
3. Press or to highlight Temperature and press f3 (select).
 1SFTT or to highlight Temperature Calibration and press f3 (select).
 1SFTT or to highlight ATC, Solution Temperature, Membrane Temperature, Sol & Mem Temperature
or ATC, Sol & Mem TempUPJEFOUJGZUIF"5$QSPCFBOEPS%0QSPCFUIBUXJMMCFDBMJCSBUFEBOEQSFTTf3 (select).
 1MBDFUIF"5$QSPCFBOEPS%0QSPCFBOEUIFSNPNFUFSTJOUPBTPMVUJPOXJUIBLOPXOTUBCMFUFNQFSBUVSF*UJT
SFDPNNFOEFEUIBUUXP/*45USBDFBCMFUIFSNPNFUFSTCFVTFEUPNFBTVSFBOEWFSJGZUIFUFNQFSBUVSFPGUIFTPMVUJPO
 8BJUGPSUIFUFNQFSBUVSFSFBEJOHTPGUIF"5$QSPCFBOEPS%0QSPCFBOEUIFSNPNFUFSTUPTUBCJMJ[FVTVBMMZUXPUP
five minutes).
 1SFTTf3 (edit) to access the numeric entry screen and edit the temperature value.
a. Press , , or to highlight a number, decimal point or negative sign; press f3 (enter)
to select the highlighted item and repeat until the temperature value read by the thermometers is
TIPXOPOUIFEJTQMBZ
b. Press f2 (done) to exit the numeric entry screen.
 5IFNFUFSXJMMEJTQMBZUIFFOUFSFEUFNQFSBUVSFWBMVFPOUIFReference Temp line, the original temperature read
by the ATC probe and/or DO probe on the ATC MJOFBOEUIFUFNQFSBUVSFPGGTFUWBMVFUIBUXJMMCFBQQMJFEUPBMM
future temperature readings on the Offset line. Press f2 (accept)UPQSPDFFEXJUIUIFEJTQMBZFEUFNQFSBUVSFEBUB
save and end the calibration and export the data to the calibration log.
1SFTT f1 (meas) to proceed to the measurement mode or press f2 (print) to proceed to the measurement mode
and export the data to a printer or computer.
26 Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
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27
Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Chapter 7 Measurement
5IF0SJPO4UBS"BOE4UBS"NFUFSTBSFDBQBCMFPGTIPXJOHUXPNFBTVSFNFOUTTJNVMUBOFPVTMZPOUIF
display. The first channel can be set to measure pH, mV, RmV (relative mV) or ORP. The second channel can be set
UPNFBTVSF%0TBUEJTTPMWFEPYZHFOJOQFSDFOUTBUVSBUJPO%0NH-EJTTPMWFEPYZHFOJONJMMJHSBNTQFSMJUFS
PS%0¡$QSPCFNFNCSBOFUFNQFSBUVSF
5IFNFUFSDBOCFTFUUPEJTQMBZPOFPSCPUIPGUIFTFNFBTVSFNFOUDIBOOFMTEFQFOEJOHPOUIFPQFSBUPSTOFFET*O
the measurement mode, press f3 (channel) to scroll through a single measurement display of channel one or channel
UXPPSBEVBMNFBTVSFNFOUEJTQMBZPGDIBOOFMPOFBOEUXP5PDIBOHFUIFNFBTVSFNFOUNPEFPGBDIBOOFMQSFTTf3
(channel) VOUJMUIFTJOHMFNFBTVSFNFOUEJTQMBZPGUIBUDIBOOFMJTTIPXOBOEUIFOQSFTT until the correct mode
JTTIPXO
Note: It is highly recommended that any unused channels not be shown on the meter display while taking
measurements, since the meter waits for all displayed channels to stabilize before logging the measurement data.
Press XIJMFUBLJOHBNFBTVSFNFOUJOUIFDPOUJOVPVTNFBTVSFNFOUNPEFUPGSFF[FUIFEJTQMBZBOEQSFTT
a second time to unfreeze the display and continue the measurement. Press XIJMFUBLJOHBNFBTVSFNFOUUP
manually export the measurement to the data log, if the data log is enabled in the setup menu.
1. Rinse the pH electrode cell, RDO optical dissolved oxygen probe or polarographic dissolved oxygen probe and any
PUIFSFMFDUSPEFTJOVTFXJUIEJTUJMMFEXBUFSCMPUESZXJUIBMJOUGSFFUJTTVFBOEQMBDFJOUPUIFTBNQMF
2. Star A216 meters onlyo*GUIFTUJSSFSQSPCFJTJOVTFBOEUIFNFUFSJTJODPOUJOVPVTPSUJNFENPEFQSFTT
UPUVSOPOUIFTUJSSFSQSPCF*GUIFTUJSSFSQSPCFJTJOVTFBOEUIFNFUFSJTJO"6503&"%NPEFUIFTUJSSFSQSPCF
XJMMTUBSUTUJSSJOHXIFO JTQSFTTFEBOETUPQTUJSSJOHXIFOUIFSFBEJOHTUBCJMJ[FT
 4UBSUUIFNFBTVSFNFOUBOEXBJUGPSJUUPTUBCJMJ[F
B *GUIFNFUFSJTJO"6503&"%NPEFEFGBVMUTFUUJOHQSFTT to start the measurement. When
the JDPOTUPQTnBTIJOHSFDPSEUIFBQQMJDBCMFNFBTVSFNFOUQBSBNFUFSTBOEUFNQFSBUVSFPGUIF
sample. Press BHBJOUPTUBSUBOFXNFBTVSFNFOU
C *GUIFNFUFSJTJODPOUJOVPVTNPEFUIFNFUFSXJMMJNNFEJBUFMZTUBSUUBLJOHBNFBTVSFNFOUBOE
VQEBUFUIFEJTQMBZXIFOFWFSUIFNFBTVSFNFOUDIBOHFT8BJUGPSUIFEJTQMBZUPTIPXready and
record the applicable measurement parameters and temperature of the sample.
D *GUIFNFUFSJTJOUJNFENPEFUIFNFUFSXJMMMPHNFBTVSFNFOUTBUUIFQSFTFMFDUFEUJNFJOUFSWBM
SFHBSEMFTTPGUIFNFBTVSFNFOUTUBCJMJUZ5IFNFUFSXJMMVQEBUFUIFEJTQMBZXIFOFWFSUIF
measurement changes, so the applicable measurement parameters and temperature of the sample
DBOCFSFDPSEFEXIFOUIFEJTQMBZTIPXTready.
 Star A216 meters onlyo*GUIFTUJSSFSQSPCFJTJOVTFBOEUIFNFUFSJTJODPOUJOVPVTPSUJNFENPEFQSFTT
to turn off the stirrer probe.
 3FNPWFUIFFMFDUSPEFTGSPNUIFTBNQMFSJOTFXJUIEJTUJMMFEXBUFSCMPUESZBOEQMBDFJOUPUIFOFYUTBNQMF
 3FQFBUTUFQTUISPVHIGPSBMMTBNQMFT
 8IFOBMMTBNQMFTIBWFCFFONFBTVSFETUPSFUIFFMFDUSPEFTBDDPSEJOHUPUIFJSVTFSHVJEFT
28 Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
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29
Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Chapter 8 Methods
5IF0SJPO4UBS"BOE4UBS"TFSJFTNFUFSTDBOTBWFVQUPUFONFUIPETQFSDIBOOFMBOEUIFDPSSFTQPOEJOH
calibration data for each method, for the fast and easy recollection of different meter setup parameters. The default
NFUFSTFUUJOHJTUIBUOPNFUIPEJTVTFEBOEUIFNFUIPEOVNCFSXJMMCFTIPXOBT.PS.JGOPNFUIPEJTJO
VTF5IFDVSSFOUNFUFSTFUUJOHTDBOCFTBWFEJOUIFTFUVQNFOV&YJTUJOHNFUIPETDBOCFTFMFDUFEGSPNUIFNFUIPET
MJTUBOESVOPOUIFNFUFS.FUIPETDBOCFWJFXFEFEJUFEDPQJFEUPBOFXNFUIPEPSEFMFUFE
Saving the Current Meter Settings as a New Method
 *OUIFNFBTVSFNFOUNPEFQSFTT .
2. Press , , or to highlight pH Channel or DO/RDO Channel and press f3 (select).
3. Press or to highlight Method and press f3 (select).
 5IFNFUFSXJMMEJTQMBZCurrent SettingsBOEBMJTUPGNFUIPET5IFMJTUXJMMTIPXUIFTFRVFOUJBMOVNCFSPGUIFNFUIPET
(M101) and the date, time and mode of each method (07/01/11 12:45 pH) if methods have been previously created.
 1SFTT or to highlight Current Settings and press f3 (save).
6. Press or UPIJHIMJHIUBNFUIPEOVNCFSUIBUUIFDVSSFOUTFUUJOHTXJMMCFTBWFEBTBOEQSFTTf2 (accept).
 5IFNFUFSXJMMQSPNQUGPSBNFUIPETQFDJmDQBTTXPSEUPCFDSFBUFE5IFQBTTXPSENVTUCFBUMFBTUDIBSBDUFSTMPOH
a. Press f3 (edit) to access the numeric entry screen.
b. Press , , or to highlight a number, press f3 (enter) to select the
 IJHIMJHIUFEOVNCFSBOESFQFBUVOUJMUIFOFXQBTTXPSEJTTIPXO
c. Press f2 (done) to exit the numeric entry screen.
d. Press f2 (accept)UPBDDFQUUIFFOUFSFEQBTTXPSE
 5IFNFUFSXJMMBVUPNBUJDBMMZQSPDFFEUPUIFNFBTVSFNFOUNPEF
Loading an Existing Method
 *OUIFNFBTVSFNFOUNPEFQSFTT .
2. Press , , or to highlight pH Channel or DO/RDO Channel and press f3 (select).
3. Press or to highlight Method and press f3 (select).
 5IFNFUFSXJMMEJTQMBZCurrent SettingsBOEBMJTUPGNFUIPET5IFMJTUXJMMTIPXUIFTFRVFOUJBMOVNCFSPGUIF
methods (M101) and the date, time and mode of each method (07/01/11 12:45 pH) if methods have been previously
created.
 1SFTT or to highlight the method to be loaded and press f2 (load).
 5IFNFUFSXJMMBVUPNBUJDBMMZQSPDFFEUPUIFNFBTVSFNFOUNPEF
30 Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Editing, Copying or Deleting an Existing Method
 *OUIFNFBTVSFNFOUNPEFQSFTT .
2. Press , , or to highlight pH Channel or DO/RDO Channel and press f3 (select).
3. Press or to highlight Method and press f3 (select).
 5IFNFUFSXJMMEJTQMBZCurrent SettingsBOEBMJTUPGNFUIPET5IFMJTUXJMMTIPXUIFTFRVFOUJBMOVNCFSPGUIF
methods (M101) and the date, time and mode of each method (07/01/11 12:45 pH) if methods have been
previously created.
 1SFTT or to highlight the desired method and press f3 (options).
 &OUFSUIFNFUIPETQFDJmDQBTTXPSE
a. Press f3 (edit) to access the numeric entry screen.
b. Press , , or to highlight a number, press f3 (enter) to select the
 IJHIMJHIUFEOVNCFSBOESFQFBUVOUJMUIFQBTTXPSEJTTIPXO
c. Press f2 (done) to exit the numeric entry screen.
d. Press f2 (accept)UPBDDFQUUIFFOUFSFEQBTTXPSE
 1SFTT or to highlight Edit, Copy or Delete and press f2 (accept).
B *GEdit is selected – press or to highlight any setup menu parameters that need to be
changed and press f3 (select)3FWJFXBOEDIBOHFBMMBQQMJDBCMFTFUVQNFOVQBSBNFUFST1SFTTf1
(back) to return to the list of methods and then press to return to the measurement mode.
C *GCopy is selected – press or to highlight a method number that the selected
NFUIPEXJMMCFDPQJFEUPBOEQSFTT f2 (accept)5IFNFUFSXJMMBVUPNBUJDBMMZQSPDFFEUPUIF
measurement mode.
D *GDelete is selected – press f2 (yes) to delete the method or press f3 (no) to keep the method.
5IFNFUFSXJMMBVUPNBUJDBMMZQSPDFFEUPUIFNFBTVSFNFOUNPEF
31
Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Chapter 9 Data Storage and Retrieval
Data Storage Settings
The data and calibration storage settings include the measurement read type, computer and printer export settings
BOEEBUBMPHTFUUJOHT5IFNFBTVSFNFOUSFBEUZQFEFUFSNJOFTXIFOUIFNFUFSTFOETNFBTVSFNFOUTUPUIFEBUBMPH
if the data log is enabled in the setup menu, and to a printer or computer, if a printer or computer is connected to the
NFUFSBOEFOBCMFEJOUIFTFUVQNFOV3FWJFXUIFEBUFBOEUJNFTFUUJOHTBOEVQEBUFBTOFFEFE
Read Type Selection
 *OUIFNFBTVSFNFOUNPEFQSFTT .
2. Press , , or to highlight pH Channel or DO/RDO Channel and press f3 (select).
3. Press or to highlight Mode and Settings and press f3 (select).
 1SFTT or to highlight Read Type and press f3 (select).
 1SFTT or to highlight Auto, Continuous or Timed and press f3 (select).
B *GTimed is selected and the time interval needs to be changed – highlight Timed; press to highlight
hours (HH), minutes (MM) or seconds (SS); press f3 (edit) to access the numeric entry screen; use the
numeric entry screen to change the values and press f1 (back) XIFOUIFUJNFJOUFSWBMJTDPSSFDU
6. Press to return to the measurement mode.
32 Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Computer and Printer Export Settings
 *OUIFNFBTVSFNFOUNPEFQSFTT .
2. Press , , or to highlight Settings and press f3 (select).
3. Press or to highlight Export Data and press f3 (select).
 1SFTT or to highlight Printing and press f3 (select). Press or to highlight On or Off and press f3
(select). Select OnUPBMMPXEBUBUPCFTFOUUPBDPNQVUFSPSQSJOUFS
 1SFTT or to highlight Comm Setup and press f3 (select). Press or to highlight RS232 or USB
and press f3 (select). Select RS232JGUIFNFUFSXJMMCFJOUFSGBDFEVTJOHUIF34QPSUBOETFMFDUUSB if the
NFUFSXJMMCFJOUFSGBDFEVTJOHUIF64#QPSU
6. Press or to highlight Data Format and press f3 (select). Press or to highlight Printer or PC
(CSV) and press f3 (select). Select Printer to export the data as a string of text and select PC (CSV) to export the
data in comma delimited format.
 1SFTT or to highlight Comm Config and press f3 (select). Press or to highlight 1200, 2400, 4800,
9600, 19200 or 38400 and press f3 (select). Select the baud rate best for the data transfer requirements. The fixed
NFUFSPVUQVUTFUUJOHTBSFCJUTTUPQCJUBOEQBSJUZOPOF
 1SFTTf1 (back) and then press to return to the measurement mode.
Data Log Settings
 *OUIFNFBTVSFNFOUNPEFQSFTT .
2. Press , , or to highlight Settings and press f3 (select).
3. Press or to highlight Data Log and press f3 (select).
 1SFTT or to highlight Off or On and press f3 (select).
 1SFTTf1 (back) and then press to return to the measurement mode.
33
Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Viewing the Calibration Log and Data Log
5IF0SJPO4UBS"BOE4UBS"TFSJFTNFUFSTTBWFVQUPUFOPGUIFNPTUSFDFOUDBMJCSBUJPOTQFSDIBOOFM5IF
4UBS"NFUFSTBWFTVQUPTFUTPGEBUBQPJOUTBOEUIF4UBS"NFUFSTBWFTVQUPTFUTPGEBUBQPJOUT
"MPHOVNCFSJTBTTJHOFEUPFBDIEBUBQPJOU5IFSFBEUZQFPGUIFEJTQMBZFEDIBOOFMPSDIBOOFMTEFUFSNJOFTXIFO
NFBTVSFNFOUTBSFFYQPSUFEUPUIFEBUBMPH8IFOBEBUBQPJOUJTFYQPSUFEUPBDPNQVUFSPSQSJOUFSUIFUJNFTUBNQXJMM
include the hour, minutes and seconds.
Viewing the Calibration Log
 *OUIFNFBTVSFNFOUNPEFQSFTT .
2. Press , , or to highlight View Log and press f3 (select).
3. Press or to highlight Calibration Log and press f2 (accept).
 1SFTT or to highlight pH – Channel or DO/RDO – Channel and press f2 (select).
 1SFTT or to highlight pH, RmV or ORP (pH – Channel) or DO or RDO (DO/RDO – Channel) and press f2 (select).
 5IFNFUFSXJMMEJTQMBZBMJTUPGDBMJCSBUJPOTGPSUIFTFMFDUFEDIBOOFMBOEDBMJCSBUJPOUZQF5IFMJTUTIPXTUIFTFRVFOUJBM
OVNCFSPGUIFDBMJCSBUJPOBOEUIFEBUFBOEUJNFJUXBTTBWFE(07/01/2011 12:45).
 5PWJFXUIFDBMJCSBUJPOEBUBQSFTT or to highlight a specific calibration and press f2 (select). Press f2
(print) to print the calibration, press f3 (info)UPWJFXUIFFMFDUSPEFTMPQFCFUXFFOQ)CVGGFSQPJOUTQ)o$IBOOFM
only) or press f1 (back) to return to the list of calibrations.
 1SFTT to return to the measurement mode.
Viewing the Data Log
 *OUIFNFBTVSFNFOUNPEFQSFTT .
2. Press , , or to highlight View Log and press f3 (select).
3. Press or to highlight Data Log and press f2 (accept).
 1SFTT or to highlight pH – Channel or DO/RDO – Channel and press f2 (select).
 5IFNFUFSXJMMEJTQMBZBMJTUPGUIFEBUBQPJOUT5IFMJTUTIPXTUIFTFRVFOUJBMOVNCFSPGUIFEBUBQPJOUBOEUIFEBUF
BOEUJNFUIFEBUBQPJOUXBTTBWFE(07/01/2011 12:45).
 5PWJFXUIFNFBTVSFNFOUJOGPSNBUJPOGPSBOJOEJWJEVBMEBUBQPJOUQSFTT or to highlight the data point and
press f2 (select). Press f2 (print) to print the data point or press f1 (back) to return to the list of data points.
 1SFTT to return to the measurement mode.
34 Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Exporting the Data Log to a Computer or Printer
 *OUIFNFBTVSFNFOUNPEFQSFTT .
2. Press , , or to highlight View Log and press f3 (select).
3. Press or to highlight Data Log and press f2 (accept).
 1SFTT or to highlight pH – Channel or DO/RDO – Channel
and press f3 (select).
 5IFNFUFSXJMMEJTQMBZBMJTUPGUIFEBUBQPJOUT5IFMJTUTIPXTUIFTFRVFOUJBMOVNCFSPGUIFEBUBQPJOUBOEUIFEBUF
BOEUJNFUIFEBUBQPJOUXBTTBWFE(07/01/2011 12:45).
6. Press f3 (options).
 1SFTT or to highlight Log Export and press f2 (accept).
 1SFTT or to highlight Today, Last 10, Range or All as the data log points to be exported
and press f2 (accept).
B *GToday, Last 10 or All is selected – press f2 (yes) to export the data.
C *GRangeJTTFMFDUFEoFOUFSUIFmSTUBOEMBTUEBUFQPJOUT
i. Press f3 (edit) to display the numeric entry screen.
ii. Press , , or to highlight a number, press f3 (enter) to select the highlighted number
BOESFQFBUVOUJMUIFOVNCFSPGUIFmSTUEBUBQPJOUUPCFFYQPSUFEJTTIPXOPOUIFEJTQMBZ
iii. Press f2 (done) to exit the numeric entry screen.
iv. Press to enter the last data point.
v. Press f3 (edit) to display the numeric entry screen.
vi. Press , , or to highlight a number, press f3 (enter) to select the highlighted
OVNCFSBOESFQFBUVOUJMUIFOVNCFSPGUIFMBTUEBUBQPJOUUPCFFYQPSUFEJTTIPXOPOUIFEJTQMBZ
vii. Press f2 (done) to exit the numeric entry screen.
viii. Press f2 (accept) and then press f2 (yes) to export the data.
 "GUFSFYQPSUJOHUIFEBUBUIFNFUFSXJMMBVUPNBUJDBMMZSFUVSOUPUIFNFBTVSFNFOUNPEF
35
Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Clearing the Data Log
 *OUIFNFBTVSFNFOUNPEFQSFTT .
2. Press , , or to highlight View Log and press f3 (select).
3. Press or to highlight Data Log and press f2 (accept).
 1SFTT or to highlight pH – Channel or RDO/DO – Channel and press f3 (select).
 5IFNFUFSXJMMEJTQMBZBMJTUPGUIFEBUBQPJOUT5IFMJTUTIPXTUIFTFRVFOUJBMOVNCFSPGUIFEBUBQPJOUBOEUIF
EBUFBOEUJNFUIFEBUBQPJOUXBTTBWFE(07/01/2011 12:45).
6. Press f3 (options).
 1SFTT or to highlight Log Clear and press f2 (accept).
 1SFTTf2 (yes)UXJDFUPDMFBSUIFFOUJSFEBUBMPH
 &OUFSUIFQBTTXPSE5IFEFGBVMUJT111111 and pressing f2 (accept)XJMMBEWBODFUIFNFUFSUPUIFOFYUTUFQ
1SFTTf1 (back) and then press to return to the measurement mode.
36 Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Interfacing a Printer
5IF0SJPO4UBSQSJOUFS$BU/PJTSFDPNNFOEFEGPSVTFXJUIUIF0SJPO4UBS"BOE4UBS"TFSJFT
NFUFST5IF0SJPO4UBSQSJOUFSIBTBCBVESBUFBOEJUJTQBDLBHFEXJUIUIF34QSJOUFSDBCMF$BU/P
XIJDIJTSFRVJSFEUPJOUFSGBDFBO0SJPO4UBS"NFUFSUPBQSJOUFS5IFCBVESBUFPGUIF0SJPO4UBS"BOE4UBS
"TFSJFTNFUFSTDBOCFTFUUPPSGPSDPNNVOJDBUJPOUPEJGGFSFOUQSJOUFST
5IFmYFENFUFSTFUUJOHTBSFOVNCFSPGCJUTTUPQCJUTQBSJUZOPOF5IFnPXDPOUSPMGPSUIFQSJOUFSTIPVMECF
TFUUP90/90''5IFNFUFSXJMMTFOENFBTVSFNFOUTBOEDBMJCSBUJPOEBUBUPUIFQSJOUFSJGUIFQSJOUFSPQUJPOJTUVSOFE
on in the setup menu. Alternatively, measurements and calibration data can be sent to the data log and calibration
log. From the data log and calibration log, the operator can chose to print a single data log point, a range of data log
points or the entire data log.
Interfacing a Computer
5IF0SJPO4UBS"BOE4UBS"TFSJFTNFUFSTDBOTFOENFBTVSFNFOUTBOEDBMJCSBUJPOEBUBUPBDPNQVUFSJOB
DPNNBEFMJNJUFEGPSNBUUIBUJTFBTZUPQBSTFJODPNQVUFSQSPHSBNTMJLF&YDFM$POOFDUUIF34DPNQVUFSDBCMF
$BU/PUPUIF34JOQVUPOUIFNFUFSBOEUIF34JOQVUPOBDPNQVUFS5IFCBVESBUFPGUIF0SJPO
4UBS"TFSJFTNFUFSTDBOCFTFUUPPS5IFmYFENFUFSTFUUJOHTBSFOVNCFS
PGCJUTTUPQCJUTQBSJUZOPOF5IFnPXDPOUSPMGPSUIFDPNQVUFSTIPVMECFTFUUP90/90''5IFNFUFSXJMM
send measurements and calibration data to the computer if the computer option is turned on in the setup menu.
Alternatively, measurements and calibration data can be sent to the data log and calibration log. From the data log
and calibration log, the operator can chose to send a single data log point, a range of data log points or the entire data
log to the computer.
A complimentary copy of general data logging software is available for use with the Orion Star A200 and Star A300 series
meters. This can be found on the CD included with the meter or at www.thermoscientific.com/water.
37
Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Chapter 10 Customer Services
Meter Errors and Recommended Actions
Error Recommended Actions
%JTQMBZ&SSPS *GUIJTFSSPSPDDVSTDPOUBDU5FDIOJDBM4VQQPSU
)BSEXBSF&SSPS *GUIJTFSSPSPDDVSTDPOUBDU5FDIOJDBM4VQQPSU
$IBOOFM*OQVU&SSPS %JTDPOOFDUBMMPGUIFFMFDUSPEFTGSPNUIFNFUFSDPOOFDUUIF#/$TIPSUJOHDBQUPUIF#/$JOQVUTBOE
repeat the self test.
3FGFSFODF*OQVU&SSPS Make sure that all of the electrodes are disconnected from the meter (including the reference input),
DPOOFDUUIF#/$TIPSUJOHDBQUPUIF#/$JOQVUBOESFQFBUUIFTFMGUFTU
(SPVOE*OQVU&SSPS Make sure that all of the electrodes are disconnected from the meter (including the ground input),
DPOOFDUUIF#/$TIPSUJOHDBQUPUIF#/$JOQVUBOESFQFBUUIFTFMGUFTU
,FZQBE'BJMVSF Repeat the self test. When the meter prompts, press each of the keys one at a time, including the
QPXFSLFZXJUIJOGJWFTFDPOETPGPOFPUIFS*GUIFFSSPSQFSTJTUTDPOUBDU5FDIOJDBM4VQQPSU
Over Range Measurement or
6OEFS3BOHF.FBTVSFNFOU
*GUIFNFBTVSFNFOUJTnBTIJOHBOEPWFSSBOHFPSVOEFSSBOHFUIFNFBTVSFNFOUWBMVFJT
PVUTJEFPGUIFBMMPXBCMFNFBTVSFNFOUSBOHF.BLFTVSFUIBUUIFFMFDUSPEFJTDPOOFDUFEUPUIF
appropriate meter input and the electrode parameters are entered correctly in the setup menu.
$MFBOUIFFMFDUSPEFBDDPSEJOHUPUIFFMFDUSPEFVTFSHVJEFBOESFDBMJCSBUFUIFFMFDUSPEFXJUIOFX
CVGGFSTPSTUBOEBSET*GUIFFSSPSQFSTJTUTQFSGPSNUIFNFUFSTFMGUFTU
Measurement Out of Range
Make sure that the electrode is connected to the appropriate meter input and the electrode
parameters are entered correctly in the setup menu. Clean the electrode according to the electrode
VTFSHVJEFBOESFDBMJCSBUFUIFFMFDUSPEFXJUIOFXCVGGFSTPSTUBOEBSET1FSGPSNUIFNFUFSTFMGUFTU
38 Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Meter Self Test and Checkout
Meter Self Test
 *OUIFNFBTVSFNFOUNPEFQSFTTTFUVQ .
2. Press , , or to highlight Diagnostics and press f3 (select).
3. Press or to highlight Self Test and press f2 (accept).
 %JTDPOOFDUBMMPGUIFFMFDUSPEFTBOEQSPCFTGSPNUIFNFUFSBUUBDIUIF#/$TIPSUJOHDBQUPUIF#/$JOQVU
and press f2 (yes).
 1SFTTf2 (yes) to start the self test.
 5IFNFUFSXJMMQFSGPSNBOBDDVSBDZUFTU8IFOUIFNFUFSEJTQMBZTAccuracy Test Passed, press f2 (next).
 5IFNFUFSXJMMQFSGPSNBO&130.UFTU8IFOUIFNFUFSEJTQMBZTE2Prom Test Passed, press f2 (next).
 5IFNFUFSXJMMQFSGPSNBLFZQBEUFTU1SFTTFBDIPGUIFLFZTPOUIFLFZQBEJODMVEJOH ) one at a time in
any order. When the meter displays Keypad Test Passed, press f2 (next).
 5IFNFUFSXJMMEJTQMBZSelf Test Passed. Press to return to the measurement mode.
Meter Checkout (pH)
 "GUFSUIFTFMGUFTUJTDPNQMFUFUIFNFUFSXJMMSFUVSOUPUIFNFBTVSFNFOUNPEF,FFQBMMPGUIFFMFDUSPEFT
EJTDPOOFDUFEGSPNUIFNFUFSBOELFFQUIF#/$TIPSUJOHDBQBUUBDIFEUPUIF#/$JOQVUPOUIFNFUFS
 4FUUIFNFBTVSFNFOUNPEFUPQ)5IFNFUFSTIPVMESFBEBTUFBEZQ)Q)*GUIFNFUFSEPFTOPUSFBEB
TUFBEZQFSGPSNBPOFQPJOUQ)DBMJCSBUJPOXJUIUIF#/$TIPSUJOHDBQBUUBDIFEUPUIF#/$JOQVU
4FUUIFQ)WBMVFUPBOEUIFTMPQFWBMVFUP3FGFSUPUIFQ)$BMJCSBUJPOTFDUJPOGPSEFUBJMFEJOTUSVDUJPOT
 *OUIFNFBTVSFNFOUNPEFUIFNFUFSTIPVMESFBEBTUFBEZN7N7*GUIFNFUFSEPFTOPUSFBEB
TUFBEZN7N7XJUIUIF#/$TIPSUJOHDBQBUUBDIFEUPUIF#/$JOQVUDPOUBDU5FDIOJDBM4VQQPSU
39
Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Electrode Stability Test
 *OUIFNFBTVSFNFOUNPEFQSFTT .
2. Press , , or to highlight Diagnostics and press f3 (select).
3. Press or to highlight Stability Test and press f2 (accept).
 1SFTT or to highlight pH – Channel or DO/RDO – Channel and press f2 (next).
 .BLFTVSFUIFFMFDUSPEFPSQSPCFUPCFUFTUFEJTDPOOFDUFEUPUIFDIBOOFMTFMFDUFEJOUIFQSFWJPVTTUFQBOE
press f2 (yes).
 1MBDFUIFFMFDUSPEFPSQSPCFJOBOBQQSPQSJBUFTPMVUJPOXJUIBTUBCMFUFNQFSBUVSFBOEQSFTTf2 (yes).
 B0SJPOQ)CVGGFS$BU/PPSJTSFDPNNFOEFEGPSUFTUJOHBQ)FMFDUSPEF
 C0SJPO031TUBOEBSE$BU/PPSJTSFDPNNFOEFEGPSUFTUJOHBO031FMFDUSPEF
 D"QSFQBSFEXBUFSTBUVSBUFEBJSDBMJCSBUJPOTMFFWFJTSFDPNNFOEFEGPSUFTUJOH3%0PQUJDBM
dissolved oxygen and polarographic dissolved oxygen probes.
 5IFNFUFSXJMMQFSGPSNUIFTUBCJMJUZUFTUBOETIPXUIFN7QFSNJOVUFPSQFSNJOVUFESJGUBOEOPJTFPOUIFEJTQMBZ
 5IFNFUFSXJMMEJTQMBZStability Test Passed or Stability Test Failed. Press f1 (esc) or to return to the
measurement mode.
Meter Factory Reset
"GUFSBGBDUPSZSFTFUJTQFSGPSNFEBMMPGUIFNFUFSTFUUJOHTXJMMCFSFTFUUPUIFGBDUPSZEFGBVMUTBOEUIFEBUBMPH
DBMJCSBUJPOMPHBOENFUIPETXJMMCFEFMFUFE
 *OUIFNFBTVSFNFOUNPEFQSFTT .
2. Press , , or to highlight Diagnostics and press f3 (select).
3. Press or to highlight Factory Reset and press f2 (accept).
 1SFTTf2 (yes) to reset the meter.
 5IFNFUFSXJMMQBVTFQPXFSPGGBOESFTUBSUXJUIUIFGBDUPSZEFGBVMUTFUUJOHT
40 Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Meter User Reset
"GUFSBVTFSSFTFUJTQFSGPSNFEBMMPGUIFNFUFSTFUVQNFOVTFUUJOHTXJMMCFSFTFUUPUIFEFGBVMUTIPXFWFSUIF
EBUBMPHDBMJCSBUJPOMPHBOENFUIPETXJMMCFSFUBJOFE
*OUIFNFBTVSFNFOUNPEFQSFTT .
2. Press , , or to highlight Diagnostics and press f3 (select).
3. Press or to highlight User Reset and press f2 (accept).
1SFTTf2 (yes) to reset the meter.
5IFNFUFSXJMMQBVTFBOEUIFOSFUVSOUPUIFNFBTVSFNFOUNPEFXJUIUIFEFGBVMUTFUVQNFOVTFUUJOHT
About Meter
 *OUIFNFBTVSFNFOUNPEFQSFTT .
2. Press , , or to highlight Diagnostics and press f3 (select).
3. Press or to highlight About Meter and press f2 (accept).
 5IFNFUFSNPEFMNFBTVSFNFOUQBSBNFUFSTTFSJBMOVNCFSBOETPGUXBSFSFWJTJPOXJMMCFEJTQMBZFE
 1SFTTf1 (back) to return to the diagnostics menu or press to return to the measurement mode.
Assistance
"GUFSUSPVCMFTIPPUJOHBMMDPNQPOFOUTPGZPVSNFBTVSFNFOUTZTUFNDPOUBDU5FDIOJDBM4VQQPSU8JUIJOUIF6OJUFE
4UBUFTDBMMBOEPVUTJEFUIF6OJUFE4UBUFTDBMMPSGBY*O&VSPQFUIF
.JEEMF&BTUBOE"GSJDBDPOUBDUZPVSMPDBMBVUIPSJ[FEEFBMFS'PSUIFNPTUDVSSFOUDPOUBDUJOGPSNBUJPOWJTJUXXX
UIFSNPTDJFOUJmDDPNXBUFS
Warranty and Registration
5PSFHJTUFSZPVSNFUFSBOEGPSUIFNPTUDVSSFOUXBSSBOUZJOGPSNBUJPOWJTJUXXXUIFSNPTDJFOUJmDDPNXBUFS
41
Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Ordering Information
Orion Star A200 Series Benchtop Meters
Cat. No. Description
STARA2110 4UBS"Q)#FODIUPQ.FUFSXJUI&MFDUSPEF4UBOE
STARA2115 4UBS"Q)#FODIUPQ.FUFSXJUI&MFDUSPEF4UBOE#/6.%3044Q)"5$5SJPEF
3044Q)#VGGFS,JU
STARA2120 4UBS"$POEVDUJWJUZ#FODIUPQ.FUFSXJUI&MFDUSPEF4UBOE
STARA2125 4UBS"$POEVDUJWJUZ#FODIUPQ.FUFSXJUI&MFDUSPEF4UBOE.%$POEVDUJWJUZ$FMM
$POEVDUJWJUZç4DN4UBOEBSE
STARA2126 4UBS"$POEVDUJWJUZ#FODIUPQ.FUFSXJUI&MFDUSPEF4UBOE.%$POEVDUJWJUZ$FMMXJUI
%FUBDIBCMF'MPX5ISPVHI$FMM$POEVDUJWJUZç4DN4UBOEBSE
STARA2130 4UBS"3%0%0#FODIUPQ.FUFSXJUI&MFDUSPEF4UBOE
STARA2135 4UBS"3%0%0#FODIUPQ.FUFSXJUI&MFDUSPEF4UBOE.%1PMBSPHSBQIJD%01SPCFXJUI
$BMJCSBUJPO4MFFWF1SPCF.BJOUFOBODF,JU#0%'VOOFM4UJSSFSBOE"EBQUFS
STARA2136 4UBS"3%0%0#FODIUPQ.FUFSXJUI&MFDUSPEF4UBOE.%"65045*3%0#0%1SPCF
1PMBSPHSBQIJD&MFDUSPMZUF4PMVUJPO1SPCF.BJOUFOBODF,JU
STARA2140 4UBS"Q)*4&#FODIUPQ.FUFSXJUI&MFDUSPEF4UBOE
STARA2145 4UBS"Q)*4&#FODIUPQ.FUFSXJUI&MFDUSPEF4UBOE#/68130446MUSBQ)&MFDUSPEF
.%"5$1SPCF4UJSSFS1SPCF3044Q)#VGGFS,JU
STARA2146
4UBS"Q)*4&#FODIUPQ.FUFSXJUI&MFDUSPEF4UBOE#/68130446MUSBQ)&MFDUSPEF
.%"5$1SPCF)1#/81)JHI1FSGPSNBODF"NNPOJB&MFDUSPEF4UJSSFS1SPCF
"NNPOJBQQN4UBOEBSE-PXMFWFM"NNPOJB*4""NNPOJB&MFDUSPEF
Storage Solution
STARA2147
4UBS"Q)*4&#FODIUPQ.FUFSXJUI&MFDUSPEF4UBOE#/68130446MUSBQ)&MFDUSPEF
.%"5$1SPCF#/81'MVPSJEF&MFDUSPEF4UJSSFS1SPCF'MVPSJEFQQN
XJUI5*4"#**4UBOEBSE'MVPSJEFQQNXJUI5*4"#**4UBOEBSE'MVPSJEFQQNXJUI
5*4"#**4UBOEBSE5*4"#**
STARA2148
4UBS"Q)*4&#FODIUPQ.FUFSXJUI&MFDUSPEF4UBOE#/68130446MUSBQ)&MFDUSPEF
.%"5$1SPCF#/8130444PEJVN&MFDUSPEFXJUI4PEJVN4UBOEBSET3FBHFOUTBOE
4PMVUJPOT4UJSSFS1SPCF
STARA2150 4UBS"Q)$POEVDUJWJUZ#FODIUPQ.FUFSXJUI&MFDUSPEF4UBOE
STARA2155
4UBS"Q)$POEVDUJWJUZ#FODIUPQ.FUFSXJUI&MFDUSPEF4UBOE#/6.%3044Q)"5$
5SJPEF.%$POEVDUJWJUZ$FMM3044Q)#VGGFS,JU$POEVDUJWJUZç4DN
Standard
STARA2160 4UBS"Q)3%0%0#FODIUPQ.FUFSXJUI&MFDUSPEF4UBOE
STARA2165
4UBS"Q)3%0%0#FODIUPQ.FUFSXJUI&MFDUSPEF4UBOE#/6.%3044Q)"5$5SJPEF
.%1PMBSPHSBQIJD%01SPCFXJUI$BMJCSBUJPO4MFFWF3044Q)#VGGFS,JU
1SPCF.BJOUFOBODF,JU#0%'VOOFM4UJSSFSBOE"EBQUFS
42 Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Ordering Information (cont.)
Orion Star A200 and Star A300 Series Portable Meters
Cat. No. Description
STARA2210 Star A221 pH Portable Meter
STARA2215
4UBS"Q)1PSUBCMF.FUFS68..%3044Q)"5$5SJPEFXJUI.FUFS$BCMFQ)#VGGFS
1PVDIFTQ)#VGGFS1PVDIFTQ)#VGGFS1PVDIFT3044&MFDUSPEF4UPSBHF
4PMVUJPO3JOTF4PMVUJPO1PVDIFT45"3"$44UBS"$BSSZJOH$BTF45"3""34UBS".FUFS"SNPS
STARA2220 Star A222 Conductivity Portable Meter
STARA2225
4UBS"$POEVDUJWJUZ1PSUBCMF.FUFS.%$POEVDUJWJUZ$FMMXJUI.FUFS$BCMF
$POEVDUJWJUZç4DN4UBOEBSE1PVDIFT3JOTF4PMVUJPO1PVDIFT45"3"$44UBS"$BSSZJOH$BTF
45"3""34UBS".FUFS"SNPS
STARA2230 Star A223 RDO/DO Portable Meter
STARA2235 4UBS"3%0%01PSUBCMF.FUFS.%3%00QUJDBM%01SPCFXJUI.FUFS$BCMF45"3"$44UBS"
$BSSZJOH$BTF45"3""34UBS".FUFS"SNPS
STARA3210 Star A321 pH Portable Meter
STARA3215
4UBS"Q)1PSUBCMF.FUFS68..%3044Q)"5$5SJPEFXJUI.FUFS$BCMFQ)#VGGFS
1PVDIFTQ)#VGGFS1PVDIFTQ)#VGGFS1PVDIFT3044&MFDUSPEF4UPSBHF
4PMVUJPO3JOTF4PMVUJPO1PVDIFT45"3"$44UBS"$BSSZJOH$BTF45"3""34UBS".FUFS"SNPS
STARA3220 Star A322 Conductivity Portable Meter
STARA3225
4UBS"$POEVDUJWJUZ1PSUBCMF.FUFS.%$POEVDUJWJUZ$FMMXJUI.FUFS$BCMF
$POEVDUJWJUZç4DN4UBOEBSE1PVDIFT3JOTF4PMVUJPO1PVDIFT45"3"$44UBS"$BSSZJOH$BTF
45"3""34UBS".FUFS"SNPS
STARA3230 Star A323 RDO/DO Portable Meter
STARA3235 4UBS"3%0%01PSUBCMF.FUFS.%3%00QUJDBM%01SPCFXJUI.FUFS$BCMF45"3"$44UBS"
$BSSZJOH$BTF45"3""34UBS".FUFS"SNPS
STARA3240 4UBS"Q)*4&1PSUBCMF.FUFS
STARA3245
4UBS"Q)*4&1PSUBCMF.FUFS68..%3044Q)"5$5SJPEFXJUI.FUFS$BCMFQ)#VGGFS
1PVDIFTQ)#VGGFS1PVDIFTQ)#VGGFS1PVDIFT3044&MFDUSPEF4UPSBHF
4PMVUJPO3JOTF4PMVUJPO1PVDIFT45"3"$44UBS"$BSSZJOH$BTF45"3""34UBS".FUFS"SNPS
STARA3250 4UBS"Q)$POEVDUJWJUZ1PSUBCMF.FUFS
STARA3255
4UBS"Q)$POEVDUJWJUZ1PSUBCMF.FUFS68..%3044Q)"5$5SJPEFXJUI.FUFS$BCMF
.%$POEVDUJWJUZ$FMMXJUI.FUFS$BCMFQ)#VGGFS1PVDIFTQ)#VGGFS
1PVDIFTQ)#VGGFS1PVDIFT3044&MFDUSPEF4UPSBHF4PMVUJPO$POEVDUJWJUZ
ç4DN4UBOEBSE1PVDIFT3JOTF4PMVUJPO1PVDIFT45"3"$44UBS"$BSSZJOH$BTF45"3""3
Star A Meter Armor
STARA3260 Star A326 pH/RDO/DO Portable Meter
STARA3265
4UBS"Q)3%0%01PSUBCMF.FUFS68..%3044Q)"5$5SJPEFXJUI.FUFS$BCMF
.%3%00QUJDBM%01SPCFXJUI.FUFS$BCMFQ)#VGGFS1PVDIFTQ)
#VGGFS1PVDIFTQ)#VGGFS1PVDIFT3044&MFDUSPEF4UPSBHF4PMVUJPO45"3"$44UBS
"$BSSZJOH$BTF45"3""34UBS".FUFS"SNPS
STARA3290 4UBS"Q)*4&$POEVDUJWJUZ3%0%01PSUBCMF.FUFS
STARA3295
4UBS"Q)*4&$POEVDUJWJUZ3%0%01PSUBCMF.FUFS68..%3044Q)"5$5SJPEFXJUI.FUFS
$BCMF.%$POEVDUJWJUZ$FMMXJUI.FUFS$BCMF.%3%00QUJDBM%01SPCFXJUI.FUFS
$BCMFQ)#VGGFS1PVDIFTQ)#VGGFS1PVDIFTQ)#VGGFS1PVDIFT
3044&MFDUSPEF4UPSBHF4PMVUJPO$POEVDUJWJUZç4DN4UBOEBSE1PVDIFT
3JOTF4PMVUJPO1PVDIFT45"3"$44UBS"$BSSZJOH$BTF45"3""34UBS".FUFS"SNPS
43
Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Ordering Information (cont.)
Orion Star A Series Accessories and Electrodes
Cat. No. Description
STARA-BEA 0SJPO4UBS"4FSJFT&MFDUSPEF"SNBOE)PMEFS"UUBDIFTUPCBTFPGNFUFSPS45"3")#CBTF
STARA-HB 0SJPO4UBS"4FSJFT&MFDUSPEF4UBOE#BTF0OMZ6TFXIFOFMFDUSPEFBSNJTOPUBUUBDIFEUPNFUFS
STARA-CS Orion Star A Series Portable Hard Carrying Case
STARA-AR 0SJPO4UBS"4FSJFT1PSUBCMF.FUFS"SNPSXJUI4UBOEJODMVEFTPOFQ)&MFDUSPEF)PMEFSXJUI
Storage Sleeve and one Conductivity Cell and DO Probe Holder
STARA-ESPH 0SJPO4UBS"4FSJFTQ)&MFDUSPEF)PMEFSGPS.FUFS"SNPSSFRVJSFTQ)TUPSBHFTMFFWFQVSDIBTF
separately)
STARA-ESCD Orion Star A Series Conductivity Cell and DO Probe Holder for Meter Armor
1010003 0SJPO4UBS"4FSJFT1PXFS"EBQUFSGPS#FODIUPQBOE1PSUBCMF.FUFST
8102BNUWP 30446MUSB(MBTT3FGJMMBCMFQ)&MFDUSPEF
8302BNUMD ROSS Glass Refillable pH/ATC Triode
8157BNUMD 30443FGJMMBCMF&QPYZQ)"5$5SJPEF
8107UWMMD 3044(FMGJMMFE&QPYZQ)"5$5SJPEFXJUI.FUFS$BCMF
927005MD &QPYZ4UFFM"5$1SPCF
927007MD Stainless Steel ATC Probe
9179BNMD (FMGJMMFE&QPYZ031"5$5SJPEF
9180BNMD 3FGJMMBCMF&QPYZ031"5$5SJPEF
9512HPBNWP )JHI1FSGPSNBODF"NNPOJB&MFDUSPEF
9609BNWP 'MVPSJEF&MFDUSPEF
8611BNWP 30444PEJVN&MFDUSPEFXJUI4PEJVN4UBOEBSET3FBHFOUTBOE4PMVUJPOT
013005MD %VSB1SPCF&QPYZ$FMM,$POEVDUJWJUZ$FMM
013010MD %VSB1SPCF&QPYZ$FMM,$POEVDUJWJUZ$FMMXJUI.FUFS$BCMF
013020MD %VSB1SPCF&QPYZ$FMM,$POEVDUJWJUZ$FMMXJUI.FUFS$BCMF
013025MD %VSB1SPCF&QPYZ$FMM,$POEVDUJWJUZ$FMMXJUI.FUFS$BCMF
013016MD 4UFFM$FMM,$POEVDUJWJUZ$FMMXJUI%FUBDIBCMF'MPX5ISPVHI$FMM
083005MD 1PMBSPHSBQIJD%01SPCFXJUI$BMJCSBUJPO4MFFWF
083010MD 1PMBSPHSBQIJD%01SPCFXJUI$BMJCSBUJPO4MFFWFBOE.FUFS$BCMF
083025MD 1PMBSPHSBQIJD%01SPCFXJUI$BMJCSBUJPO4MFFWFBOE.FUFS$BCMF
086030MD "65045*3%0#0%1SPCF
087010MD 3%00QUJDBM%01SPCFXJUI.FUFS$BCMF
087020MD 3%00QUJDBM%01SPCFXJUI.FUFS$BCMF
087030MD 3%00QUJDBM%01SPCFXJUI.FUFS$BCMF
096019 4UJSSFS1SPCFGPS4UBS"4FSJFT#FODIUPQ.FUFST
44 Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
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45
Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Chapter 11 Meter Compliance
Notice of Compliance
This equipment generates, uses, and can radiate radio frequency energy and if not installed and used in accordance
XJUIUIFJOTUSVDUJPONBOVBMNBZDBVTFJOUFSGFSFODFUPSBEJPDPNNVOJDBUJPOT*UIBTCFFOUFTUFEBOEGPVOEUPDPNQMZ
XJUIUIFMJNJUTGPSB$MBTT"DPNQVUJOHEFWJDFQVSTVBOUUP4VCQBSU+PG1BSUPG'$$3VMFTXIJDIBSFEFTJHOFEUP
QSPWJEFSFBTPOBCMFQSPUFDUJPOBHBJOTUTVDIJOUFSGFSFODFXIFOPQFSBUFEJOBDPNNFSDJBMFOWJSPONFOU0QFSBUJPOPG
UIJTFRVJQNFOUJOBSFTJEFOUJBMBSFBJTMJLFMZUPDBVTFJOUFSGFSFODFJOXIJDIDBTFUIFVTFSBUIJTPXOFYQFOTFXJMMCF
SFRVJSFEUPUBLFXIBUFWFSNFBTVSFTNBZCFSFRVJSFEUPDPSSFDUUIFJOUFSGFSFODF
“This digital apparatus does not exceed the (Class A) limits for radio noise emissions from digital apparatus set out in
UIF3BEJP*OUFSGFSFODF3FHVMBUJPOTPGUIF$BOBEJBO%FQBSUNFOUPG$PNNVOJDBUJPOTw
 i-FQSFTFOUBQQBSFJMOVNFSJRVFOFNFUQBTEFCSVJUTSBEJPFMFDUSJRVFTEFQBTTBOUMFTMJNJUFTBQQMJDBCMFTBVYBQQBSFJMT
numeriques (de la class A) prescrites dans le Reglement sur le brouillage radioelectrique edicte par le ministere des
$PNNVOJDBUJPOTEV$BOBEBw
WEEE Compliance
5IJTQSPEVDUJTSFRVJSFEUPDPNQMZXJUIUIF&VSPQFBO6OJPOT8BTUF&MFDUSJDBM&MFDUSPOJD&RVJQNFOU8&&&
%JSFDUJWF&$*UJTNBSLFEXJUIUIFTZNCPMPOUIFMFGU
 5IFSNP'JTIFS4DJFOUJmDIBTDPOUSBDUFEXJUIPOFPSNPSFSFDZDMJOHEJTQPTBMDPNQBOJFTJOFBDI&6.FNCFS4UBUFBOE
UIJTQSPEVDUTIPVMECFEJTQPTFEPGPSSFDZDMFEUISPVHIUIFN'VSUIFSJOGPSNBUJPOPODPNQMJBODFXJUIUIFTFEJSFDUJWFT
the recyclers in your country, and information on Thermo Scientific Orion products that may assist the detection of
TVCTUBODFTTVCKFDUUPUIF3P)4%JSFDUJWFBSFBWBJMBCMFBUXXXUIFSNPTDJFOUJmDDPN
46 Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Declaration of Conformity
Manufacturer: Thermo Fisher Scientific Inc.
Address: Ayer Rajah Crescent
#ML
4JOHBQPSF
Singapore
Hereby declares that the following products:
#FODIUPQNFUFSTBSFSBUFEUP7"$)["
)BOEIFMENFUFSTVTFGPVSOPOSFDIBSHFBCMF""CBUUFSJFT
Benchtop Meters Portable Meters
Orion Star A211 pH Orion Star A221 pH
Orion Star A212 Conductivity Orion Star A222 Conductivity
Orion Star A213 RDO/DO Orion Star A223 RDO/DO
0SJPO4UBS"Q)*4& Orion Star A321 pH
0SJPO4UBS"Q)$POEVDUJWJUZ Orion Star A322 Conductivity
Orion Star A216 pH/RDO/DO Orion Star A323 RDO/DO
0SJPO4UBS"Q)*4&
0SJPO4UBS"Q)$POEVDUJWJUZ
Orion Star A326 pH/RDO/DO
0SJPO4UBS"Q)*4&$POEVDUJWJUZ3%0%0
Equipment Class:
Measurement, control and laboratory
0SJPO4UBS"TFSJFTNFUFSTBSF&.$$MBTT"
Conforms with the following directives and standards:
EN61326-1:2006 Electromagnetic Compatibility (EMC Directive)
 &MFDUSJDBMFRVJQNFOUGPSNFBTVSFNFOU
 DPOUSPMBOEMBCPSBUPSZVTF&.$SFRVJSFNFOUT
EN61010-1:2001 Safety Standards
UL61010-1:2004 Safety requirements for electrical equipment for measurement,
CAN/CSA C22.2 No. 61010-1-04 DPOUSPMBOEMBCPSBUPSZVTFHFOFSBMSFRVJSFNFOUT
$IFPX,XBOH$IBO
QA/Regulatory Manager
1MBDFBOE%BUFPG*TTVF
+VOF
Singapore
47
Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Meter Specifications
Meter Operating Conditions
Operating Ambient Temperature UP¡$
Operating Relative Humidity UPOPODPOEFOTJOH
Storage Temperature UP¡$
Storage Relative Humidity UPOPODPOEFOTJOH
Pollution Degree 2
Overvoltage $BUFHPSZ**
Weight 1PSUBCMFH
#FODIUPQH
Size 1PSUBCMFDN)YDN8YDN%
#FODIUPQDN)YDN8YDN%
Regulatory and Safety $&567'$$$MBTT"
1PXFS3BUJOH %$*OQVU7%$"
#BUUFSZY""
Shock and Vibration 7JCSBUJPOTIJQQJOHIBOEMJOHQFS*45""
4IPDLESPQUFTUJOQBDLBHJOHQFS*45""
&ODMPTVSFEFTJHOFEUPNFFU 1PSUBCMF*1
#FODIUPQ*1
Warranty 3 year meter replacement
Universal Power Adapter Operating Conditions
Operating Ambient Temperature UP¡$
Operating Relative Humidity UPOPODPOEFOTJOH
Storage Temperature UP¡$
Storage Relative Humidity UPOPODPOEFOTJOH
Pollution Degree 2
Overvoltage $BUFHPSZ**
48 Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Meter Parameter Specifications
pH
Range UP
Resolution 
Relative Accuracy 
Calibration Points 6QUP
$BMJCSBUJPO&EJUJOH :FT
mV/RmV
Range N7
Resolution 
Relative Accuracy 
&H ORP Mode :FT
Dissolved Oxygen Measurement
Concentration - Polarographic
Range UPNH-
Resolution 
Relative Accuracy 
% Saturation - Polarographic
Range UPTBU
Resolution 
Relative Accuracy 
Concentration - RDO
Range UPNH-
Resolution 
Relative Accuracy NH-VQUPNH-
NH-GSPNUPNH-
PGSFBEJOHGSPNUPNH-
49
Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
% Saturation - RDO
Range UPTBU
Resolution 
Relative Accuracy 
Automatic
Barometric Pressure Correction
UPNN)H
Salinity Factor Correction .BOVBMUPQQU
Calibration Features 8BUFSTBUVSBUFEBJSBJSTBUVSBUFEXBUFSNBOVBM8JOLMFSBOE[FSPQPJOU
Probe Characteristics Polarographic or RDO
Temperature Measurement
Range UP¡$
Resolution 
Relative Accuracy 
Offset Calibration 1 point
Data Logging
/VNCFSPG1PJOUT 4UBS"XJUIUJNFBOEEBUFTUBNQ
4UBS"XJUIUJNFBOEEBUFTUBNQ
-PH'VODUJPO .BOVBM3FBEZ"6503&"%5JNFE
-PH&EJU Delete individual points, group of points or all
Inputs
Q)&MFDUSPEF #/$SFGFSFODFQJO
ATC Probe QJO.JOJ%*/
%0XJUI#VJMUJO5FNQFSBUVSF
Probe
QJO.JOJ%*/
Output 3464#
Power
AC Adapter 6OJWFSTBM7"$JODMVEFEXJUI4UBS"
#BUUFSZ1PXFS 'PVS"MLBMJOF""JODMVEFEXJUI4UBS"
#BUUFSZ-JGF IPVST
50 Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
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51
Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Appendix 1 Advanced Meters Features
Automatic pH Buffer Recognition Feature
5IF0SJPO4UBS"BOE4UBS"TFSJFTQ)NFUFSTBSFDBQBCMFPGBVUPNBUJDBMMZSFDPHOJ[JOHQ)
BOECVGGFSTPSQ)BOECVGGFSTEVSJOHBQ)DBMJCSBUJPOEFQFOEJOHPOUIFQ)CVGGFS
TFUUIBUJTTFMFDUFEJOUIFTFUVQNFOV%VSJOHBDBMJCSBUJPOUIFNFUFSVTFTUIFTFMFDUFECVGGFSTFUBOEUIFSBXN7
reading of the pH electrode in the buffer to recognize and display the buffer value at the measured temperature. The
SBXN7SFBEJOHPGUIFQ)FMFDUSPEFJOUIFCVGGFSNVTUCFBCPVUN7GSPNUIFUIFPSFUJDBMN7SFBEJOHPGUIFCVGGFS
in order for the meter to automatically recognize the buffer.
USA pH Buffer Set DIN pH Buffer Set
Buffer mV Range Buffer mV Range
 UPN7  UPN7
 UPN7  UPN7
 UPN7  UPN7
 UPN7  UPN7
 UPN7
Testing a pH Electrode for Automatic Buffer Recognition
5PWFSJGZUIBUUIFSBXN7SFBEJOHPGUIFQ)FMFDUSPEFJOVTFJTN7GSPNUIFUIFPSFUJDBMN7SFBEJOHPGUIFCVGGFS
and therefore verify that the pH electrode in use is capable of performing automatic buffer recognition, perform the
GPMMPXJOHQSPDFEVSF
1. Set the measurement mode to mV. Prepare the pH electrode according to the instructions in the pH electrode
user guide.
 3JOTFUIFQ)FMFDUSPEFXJUIEJTUJMMFEXBUFSCMPUJUESZXJUIBMJOUGSFFUJTTVFBOEQMBDFUIFQ)FMFDUSPEFJOUPBQ)
CVGGFSBUBQQSPYJNBUFMZ¡$
 8BJUGPSUIFNFBTVSFNFOUUPTUBCJMJ[FBOESFDPSEUIFN7WBMVFPGUIFQ)CVGGFSXIFOUIFNFUFSJOEJDBUFT
UIBUUIFNFBTVSFNFOUJTTUBCMF5IFSFBEUZQFTFMFDUFEJOUIFTFUVQNFOVXJMMEFUFSNJOFIPXUIFN7
measurements are displayed by the meter.
 3FNPWFUIFQ)FMFDUSPEFGSPNUIFQ)CVGGFS
 3JOTFUIFQ)FMFDUSPEFXJUIEJTUJMMFEXBUFSCMPUJUESZXJUIBMJOUGSFFUJTTVFBOEQMBDFUIFQ)FMFDUSPEFJOUPBQ)
CVGGFSBUBQQSPYJNBUFMZ¡$
 8BJUGPSUIFNFBTVSFNFOUUPTUBCJMJ[FBOESFDPSEUIFN7WBMVFPGUIFQ)CVGGFSXIFOUIFNFUFSJOEJDBUFT
that the measurement is stable.
 5IFN7SFBEJOHPGUIFQ)FMFDUSPEFJOQ)CVGGFSTIPVMECFJOUIFSBOHFPGUPN7BOEUIFN7
SFBEJOHPGUIFQ)FMFDUSPEFJOQ)CVGGFSTIPVMECFJOUIFSBOHFPGUPN7*GUIFN7SFBEJOHTPGUIF
pH electrode are in the correct ranges, the pH electrode is capable of performing automatic buffer recognition.
*GUIFN7SFBEJOHTPGUIFQ)FMFDUSPEFBSFOPUJOUIFDPSSFDUSBOHFTUIFWBMVFTPGUIFQ)CVGGFSTXJMMOFFEUPCF
manually entered during a pH calibration.
52 Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Electrode Condition Icon
The electrode condition icon indicates the performance of the pH electrode, based on the last saved calibration
and electrode measurement stability.
Icon pH Electrode Definition of Icon
&MFDUSPEFDPOEJUJPOJTHPPEBOEUIFFMFDUSPEFTMPQFJTUP
&MFDUSPEFDPOEJUJPOJTGBJSBOEUIFFMFDUSPEFTMPQFJTUP
&MFDUSPEFDPOEJUJPOJTCBEBOEUIFFMFDUSPEFTMPQFJTMFTTUIBOPSHSFBUFS
UIBO
$POTVMUUIFFMFDUSPEFVTFSHVJEFGPSJOTUSVDUJPOTPOIPXUPDMFBODPOEJUJPOBOE
troubleshoot the electrode.
53
Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Multipoint Calibration Curve Feature
5IF0SJPO4UBS"BOE4UBS"TFSJFTQ)NFUFSTVUJMJ[FBQPJOUUPQPJOUTDIFNFGPSNVMUJQPJOUDBMJCSBUJPOTJOUIF
Q)NPEF*OUIJTUFDIOJRVFTUSBJHIUMJOFTFHNFOUTBSFESBXOCFUXFFOFBDITVDDFTTJWFQBJSPGDBMJCSBUJPOQPJOUT
4FQBSBUFTMPQFBOE&PWBMVFTBSFDBMDVMBUFEVTJOHUIFBEKBDFOUQBJSPGEBUBQPJOUT'PSFYBNQMFJOBmWFQPJOU
DBMJCSBUJPOGPVSTMPQFTBOEmWF&PWBMVFTBSFDBMDVMBUFEUPDPSSFTQPOEUPUIFGPVSMJOFTFHNFOUTUIBUDPOOFDUUIF
data. pH values for samples are calculated according to the segment that their potential values fall into. Those above
PSCFMPXUIFSBOHFPGDBMJCSBUJPOBSFDBMDVMBUFECZFYUSBQPMBUJPOGSPNUIFUPQPSCPUUPNNPTUTFHNFOU
The displayed slope is an average slope of the separate segments. The slope may be outside the range normally
FYQFDUFEGPSBOFMFDUSPEF'PSFYBNQMFJGUIFTMPQFPGPOFTFHNFOUJTMPXUIFOUIFBWFSBHFXJMMCFMPXFSUIBO
UIFPSFUJDBMFWFOUIPVHIUIFSFTQPOTFNBZCF/FSOTUJBOPWFSNPTUPGUIFSBOHF
5IFmHVSFCFMPXJTBOFYBNQMFPGBUZQJDBMDBMJCSBUJPODVSWFVTJOHUIJTNFUIPE
Dissolved Oxygen Barometric Pressure Compensation
5IF0SJPO4UBS"BOE4UBS"TFSJFT3%0%0NFUFSTIBWFBOJOUFSOBMCBSPNFUFSUIBUJTVTFEGPSQSFTTVSF
compensated dissolved oxygen readings. The meter can also use manual barometric pressure compensation if
EJTTPMWFEPYZHFOJTNFBTVSFEXJUIBTVCNFSHFEQSPCFPSJOBQSFTTVSJ[FEWFTTFM5IFQSFTTVSFNVTUCFFOUFSFE
as mm Hg.
1 mm Hg = 0.03937 inch Hg = 1.3332 hPa (mBar) = 0.01934 PSI.
54 Thermo Scientific Orion Star A216 Benchtop and Star A326 Portable pH/RDO/DO Meter Reference Guide
Dissolved Oxygen Salinity Correction
"VUPNBUJDTBMJOJUZDPSSFDUJPOGPSEJTTPMWFEPYZHFOSFBEJOHTSFQPSUFEBTNH-JTBWBJMBCMFPOUIF0SJPO4UBS
"Q)*4&DPOEVDUJWJUZ3%0%0NFUFSUIBUIBTCPUIEJTTPMWFEPYZHFOBOEDPOEVDUJWJUZNFBTVSFNFOU
modes. The meter uses the conductivity value read by the conductivity cell to calculate the salinity correction
GBDUPSBOEBQQMJFTUIFGBDUPSUPEJTTPMWFEPYZHFOSFBEJOHTSFQPSUFEBTNH-
.BOVBMTBMJOJUZDPSSFDUJPODBOCFVTFEGPSEJTTPMWFEPYZHFOSFBEJOHTSFQPSUFEBTNH-POBMM0SJPO4UBS
"BOE4UBS"TFSJFT3%0%0NFUFST5IFNBOVBMTBMJOJUZDPSSFDUJPOGBDUPSNVTUCFFOUFSFEBTQQU
(parts per thousand).
Conductivity
at 20 °C
(mS/cm)
Salinity
Correction
Value (ppt)
Conductivity
at 20 °C
(mS/cm)
Salinity
Correction
Value (ppt)
Conductivity
at 20 °C
(mS/cm)
Salinity
Correction
Value (ppt)
3 13  
621  36 
 22   26
 23   
6 16  
 6   
11 26   
12 32
13 33
   
   21  
16  31 22  
 11 32 22  
 12 33 23  
 13  
5IJTUBCMFXBTDBMDVMBUFEGSPNUIF*OUFSOBUJPOBM0DFBOPHSBQIJD5BCMFT7PM/BUJPOBM*OTUJUVUFPG
0DFBOPHSBQIZPG(SFBU#SJUBJO8PNMFZ(PEBNJOH4VSSFZ&OHMBOEBOE6OFTDP1BSJT
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9 0 0 1 : 2 0 0 8
68X576706 RevA 10-11
Water Analysis Instruments
North America
166 Cummings Center
Beverly, MA 01915 USA
Toll Free: 1-800-225-1480
Tel: 1-978-232-6000
info.water@thermo.com
Netherlands
Tel: (31) 033-2463887
info.water.uk@thermo.com
India
Tel: (91) 22-4157-8800
wai.asia@thermofisher.com
Japan
Tel: (81) 045-453-9175
wai.asia@thermofisher.com
China
Tel: (86) 21-68654588
wai.asi@thermofisher.com
Singapore
Tel: (65) 6778-6876
wai.asia@thermofisher.com
Australia
Tel: (613) 9757-4300
in Australia (1300) 735-296
InfoWaterAU@thermofisher.com
www.thermoscientific.com/water
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