Digitool Instruments GC132926 Hot air balloon wire less temp gauge User Manual 565433

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Document ID	565433
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Date Submitted	2005-07-26 00:00:00
Date Available	2005-08-23 00:00:00
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DBI version 002 User Manual
US version
Free Balloon Flight Instrument
DBI 002 User Manual issue C7, 2005-05-25
Page 1/29
Safety
The manufacturer has designed this instrument to be safe when
operated. Do not use this instrument for any other purpose than
stated.
Operating restrictions
• This instrument should ONLY be used in ships referred as
free balloons carrying open fire or inert gas balloons. On the
backside of the instrument is the marking “for use onboard
manned free balloons only”. See photo 3.3 back view.
• Make sure the battery charge level is enough to ensure
instrument operation for entire flight duration.
• The DBITX1 temperature transmitter and the DBI flight
instrument receiver combination is a secondary temperature
indicator for envelope top temperature and shall only be used
together with a melting fuse temperature flag or equal
functional device serving as primary temperature indicator.
Abbreviations
DBI
DBITX1
LCD
RTCA
m/s
ft/min
InHg
hPa
°F
°C
VAC
mm
In
gram
DigiTool Instruments free balloon flight instrument
DigiTool Instruments envelope temperature
transmitter
Liquid Crystal Display
Requirements & Technical Concepts for Aviation
Meter per second
Feet per minute
Inch mercury, pressure unit
Hecto pascal, pressure unit, equals millibar
Degrees fahrenheit, temperature unit
Degrees celsius, temperature unit
Volt
Volt alternating current
milli meter, length unit
Inch, length unit
mass unit
DBI 002 User Manual issue C7, 2005-05-25
Page 2/29
Table of Contents
TABLE OF CONTENTS.............................................................3
1.
INTRODUCTION.................................................................4
1.1.
1.2.
1.3.
2.
INSTALLATION ................................................................10
2.1.
2.2.
3.
DISPLAY VIEW ..............................................................12
SIDE VIEWS ..................................................................14
BACK VIEWS.................................................................15
IN FLIGHT OPERATING FUNCTIONS .................................16
INTERNAL BATTERIES / BATTERY CHARGE ......................22
CONFIGURATION ..........................................................23
MAINTENANCE................................................................25
4.1.
4.2.
4.3.
4.4.
4.5.
5.
D-RING CORD ATTACHMENT ..........................................10
VELCRO CORD ATTACHMENT ........................................11
OPERATION .....................................................................12
3.1.
3.2.
3.3.
3.4.
3.5.
3.6.
4.
APPROVALS ...................................................................4
DESCRIPTION .................................................................5
SPECIFICATION ..............................................................7
GENERAL .....................................................................25
BATTERY .....................................................................25
CLEANING ....................................................................25
CALIBRATION CHECK ....................................................26
APPROVED SERVICE AGENTS ........................................27
SUPPORT APPARATUS..................................................28
5.1.
5.2.
5.3.
INTERFACE CABLE AND MAINS CHARGER .......................28
DBI PC APPLICATION PROGRAM ...................................29
DBITX1 ENVELOPE TEMPERATURE TRANSMITTER .........29
DBI 002 User Manual issue C7, 2005-05-25
Page 3/29
1. Introduction
1.1. Approvals
This device DBI version 002 is approved by the Swedish civil
aviation following the documents TSO-C10b with subdocument
AS8009 for pressure altimeter systems and TSO-C8d with
subdocument AS8016 for vertical velocity instruments.
Civil Aviation Authority
Conditions
Swedish Civil Aviation
MSU 2/00
German Approval
JTSO-C8d AND JTSO-C10b
The conditions and tests required for
US FAA Approval
TSO approval of this article are
TSO-C8d AND TSO-C10b
minimum performance standards. It is
the responsibility of those desiring to
install this article either on or within a
specific type or class of aircraft to
determine that the aircraft installation
conditions are within the TSO
standards. If not within the TSO
standards, the article may be installed
only if further evaluation by the
applicant documents an acceptable
installation and is approved by the
Administrator.
DBI 002 User Manual issue C7, 2005-05-25
Page 4/29
1.2. Description
The DBI is an integrated flight instrument designed specifically
for free balloons operation.
Flight data visually presented to the operator are:
• Altitude, rate of climb and barometric setting air data.
• Ambient temperature.
• Balloon envelope temperature.
• Elapsed flight time.
Flight data acoustically presented to the operator are:
• Rate of climb.
• Envelope temperature high warning.
• Altitude high warning.
• Altitude low warning.
Control of the DBI is done via three push buttons:
• Power On / Off.
• Barometric setting.
• Elapsed time timer clear.
• Altimeter unit toggle (Selectable).
• Flight recorder start (Selectable).
• Sound warning reset (Selectable).
• Altitude sound warning limits setup (Selectable).
Flight data recorded during flight are:
• Barometric setting
• Static pressure (altitude and rate of climb)
• Envelope and ambient temperatures
• Date and time
DBI 002 User Manual issue C7, 2005-05-25
Page 5/29
In non flight, an interface connects the DBI to standard PC
computers :
• Configuration
• Internal battery charge.
• Flight recorder data upload.
DBI 002 User Manual issue C7, 2005-05-25
Page 6/29
1.3. Specification
Altimeter
Range feet x
1000
Total error +/feet at
25 °C / 77 °F
Total error +/feet at
-30 °C / -22 °F
Total error +/feet at
70 °C / 158 °F
-1 to 6
6 to 8
8 to 10
10 to 12
12 to 14
14 to 16
16 to 18
18 to 20
20 to 22
22 to 25
25 to 30
30 to 35
35 to 40
30
40
45
50
55
60
65
70
75
85
100
120
135
52
70
78
87
96
105
113
122
131
148
175
210
236
43
58
65
72
79
87
94
101
108
123
145
174
195
Rate of climb (variometer)
Absolute error
Scale error
Time constant (configurable)
Barometric setting
Total error (900 to 1200 hPa)
Total error (26.6 to 36.5 inHg)
DBI 002 User Manual issue C7, 2005-05-25
< 0.1 m/s , 20 ft/min
< 0.15 % of reading
1.6 to 6.0 seconds
< 0.2 meter
< 1 ft
Page 7/29
Ambient thermometer
Range °C
°C
°F
-50 to -25
-58 to -13
-25 to 0
-13 to 32
0 to 50
32 to 122
50 to 75
122 to 167
75 to 100
167 to 212
100 to 125
212 to 257
Total error +/°C
°F
Envelope thermometer
Range °C
°C
°F
-25 to 0
-13 to 32
0 to 50
32 to 122
50 to 75
122 to 167
75 to 125
167 to 257
125 to 150
257 to 302
150 to 175
302 to 347
175 to 200
347 to 392
Total error +/°C
°F
Physical dimensions
Item
Length
Height
Depth
Weight
Weight
Value metric
131 mm
110 mm
31 mm
480 gram
480 gram
DBI 002 User Manual issue C7, 2005-05-25
Value Imperial
5.16 inch
4.33 inch
1.22 inch
17 ounce
1.06 pound
Page 8/29
Environmental ratings
Item
Vibration
Limitations
RTCA/DO-160C section 8
Category M
Shock
RTCA/DO-160C section 7
Radio - Frequency Susceptibility RTCA/DO-160C, (Change No
3) section 20.2 category Y
Radio - Frequency Emission
RTCA/DO-160C section 21.2
category Z
Explosion
RTCA/DO-160C section 9
category X
Humidity
RTCA/DO-160C section 6
category A
Water
RTCA/DO-160C section 10
category W
Sand and Dust
RTCA/DO-160C section 12
category X
Salt Spray
RTCA/DO-160C section 14
category X
Fungus Resistance
RTCA/DO-160C section 13
category X
Magnetic Effect
RTCA/DO-160C section 15.3
category A
Operating temperature and
RTCA/DO-160C section 4,
ambient pressure
category paragraph 4.3,
Section C4
Ambient Pressure storage
0 to 2000 hPa / 0 to 59 inHg
Temperature High Operating
70 °C / 158 °F
Temperature Low Operating
-30 °C / -22 °F
Temperature High Storage
100 °C / 212 °F
Temperature Low Storage
-55 °C / -67 °F
DBI 002 User Manual issue C7, 2005-05-25
Page 9/29
2. Installation
2.1. D-ring cord attachment
• Use the cord to strap on a suitable item, for example a
propane tank or the overhead frame support.
• Look the cord using the D-rings as shown below.
D rings
DBI 002 User Manual issue C7, 2005-05-25
Cord
Page 10/29
2.2. Velcro cord attachment
• Use the cord to strap on a suitable item, for example a
propane tank or the overhead frame support.
• Look the double sided velcro cord by tightly pressing
opposite cord surfaces together.
Double sided velcro cord
DBI 002 User Manual issue C7, 2005-05-25
Page 11/29
3. Operation
3.1. Display view
DBI 002 User Manual issue C7, 2005-05-25
10
11
Page 12/29
Display view list
1+2
2+3
10
11
Control push buttons function
Function
Action
Decrement baro setting
Click
Increment baro setting
Click
Power OFF instrument
Hold 2 seconds
Power ON instrument
Click
Clear flight time
Hold 2 seconds
Start Flight recorder (Selectable)
Hold 2 seconds
Sound warning reset (Selectable)
Click
Toggle altimeter unit (Selectable)
Double click
Alt warning limits setup (Selectable) Hold 2 seconds
Display items
Item
QNH setting
Battery status
Analog rate of climb
Digital rate of climb
Envelope temperature
Ambient temperature
Altimeter
Flight time
DBI 002 User Manual issue C7, 2005-05-25
Unit
hPa or InHg
5 to 0 segments
Scale fixed
ft/min or m/s
°C or °F
meter or feet
hh:mm
Page 13/29
3.2. Side views
Right hand side
Interface connector
Ambient temperature
sensor
Left hand side
Battery screw cap
Negative facing OUT
Acoustic rate of
climb aperture
DBI 002 User Manual issue C7, 2005-05-25
Page 14/29
3.3. Back views
Type label
Operating restrictions and
FCC ID label
DBI 002 User Manual issue C7, 2005-05-25
Page 15/29
3.4. In flight operating functions
Power On / Off
• The DBI is powered ON by pressing the C/Time push button.
This button is also marked ON.
• The DBI is powered OFF by pressing the two BAR buttons
simultaneously for 2 seconds. These two buttons are also
marked OFF.
• Auto power off enabled: The DBI powers off automatically
when acquired static pressure has changed less than 0.5
hPa (4 meters altitude change at 1013 hPa) during 30
seconds during a 30 minutes time interval. Prior to the auto
power off, the altitude display digits shows “OFF”.
Altimeter
• Altitude is displayed with 5 digits.
• Displayed Metric range is -9999 to 99999 meter. 1 meter
resolution.
• Displayed Imperial range is -9999 to 99999 feet. 1 foot
resolution.
• Unit static toggle enabled: Double clicking the C/Time push
button toggles unit, [m or ft].
• Unit timeout toggle enabled: Double clicking the C/Time push
button toggles unit, [m or ft] for 2 seconds.
DBI 002 User Manual issue C7, 2005-05-25
Page 16/29
Rate of climb (variometer)
• Rate of climb is displayed analog and digital.
• Response time can be configured between 1.2 to 6.0
seconds (fast to slow).
Analog rate of climb (variometer)
• An analog scale displays rate of climb.
• Zero indication is at 9 o’clock.
• Climb is indicated clockwise from 9 o’clock.
• Descend is indicated counter clockwise from 9 o’clock.
• Range is fixed at 5 meters per second ,1000 feet per minute).
This range is fixed marked on display.
• Rate of climb or descend over 5 meters per second is
indicated by a blinking analog variometer display.
Digital rate of climb (variometer)
• Rate of climb / descend is displayed with digits.
• NOTE: No sign is displayed.
• Metric range is 0 to 99.9 meter per second with one decimal
place.
• Imperial range is 0 to 9900 feet per minute in 10:th
increments.
Barometric setting
• Metric range is 900 to 1100 hPa with one decimal place.
Adjustment fraction is 100 hPa (1mbar).
• Imperial range is 26.58 to 32.48 InHg with two decimal
places. Adjustment fraction is 0.02 InHg.
DBI 002 User Manual issue C7, 2005-05-25
Page 17/29
Acoustic rate of climb (variometer)
• Sound signature is separately configured for climb and
descend.
• Configurable signature: On/Off, Activation threshold, sound
repetition interval scale factor.
Acoustic altitude high warning
• Warning signal is activated on climb transition passing
configured altitude high warning limit.
• Warning signal is deactivated below altitude high warning
limit.
• Warning signal is deactivated by pressing the C/Time
pushbutton.
Acoustic altitude low warning
• Warning signal is activated on descend transition passing
configured altitude low warning limit.
• Warning signal is deactivated above altitude low warning
limit.
• Warning signal is deactivated by pressing the C/Time
pushbutton.
Acoustic envelope temperature warning
• Warning signal is activated when exceeding configured
temperature high warning limit.
• Warning signal is deactivated below temperature high
warning limit.
• Warning signal is deactivated by pressing the C/Time
pushbutton.
Flight time timer
• Elapsed time is displayed.
• Range is 00:00 to 99:59 [hour : min].
• Timer is CLEARED on power up.
• Timer is CLEARED by pressing the C/Time pushbutton for
more than 2 seconds.
DBI 002 User Manual issue C7, 2005-05-25
Page 18/29
Ambient thermometer
Ambient temperature is displayed with 3 digits.
• Imperial range is -60 to 257 °F.
• Metric range is -50 to 125 °C.
Envelope thermometer
The DBI receives envelope temperature from the DBITX1
temperature transmitter (normally located at the top of the
envelope). Envelope temperature is displayed with 3 digits.
• Imperial range is -13 to 392 °F.
• Metric range is -25 to 200 °C.
• Loss of data reception is displayed as “---“.
• The DBI is configured with identification codes unique for
each DBITX1. The DBI can be configured with up to 8 codes.
NOTE: Only one DBITX1 shall be active during flight.
Battery monitor
• Battery charge status is displayed with a battery symbol
containing 0 to 5 segments.
Segments
Continuing operation [hours]
50
40
30
20
10
>1
DBI 002 User Manual issue C7, 2005-05-25
Page 19/29
Flight data recorder
• During power on, flight data is recorded.
• Storage capacity is up to 170 hours and older data is
overwritten.
• Start mode is configurable.
Flight recorder start modes
Mode
Description
Off
Disabled.
Power on
Starts at DBI power ON.
Altitude takeoff
Starts at 1 hPa ambient static pressure
decrease (approx 8 meters).
Altitude takeoff,
Starts at 1 hPa ambient static pressure
clear lap
decrease (approx 8 meters), also clears
elapsed flight timer.
Start/Restart at
Starts at manual elapsed flight timer clear.
manual lap clear
Flight recorder data
Recorded raw data
Derived data
Barometric setting
Altitude
Acquired static pressure
Ambient temperature
Ambient temperature
Envelope temperature
Envelope temperature
UTC time
UTC time and elapsed time
DBI 002 User Manual issue C7, 2005-05-25
Page 20/29
Altitude sound warning limits setup
• The altitude sound warning limits can be set up by the
configuration procedure (see 3.6) or direct on the DBI.
• To use the direct set up method, it has to be enabled by the
configuration procedure (see 3.6).
Direct set up method enabled:
Press C/Time and + buttons simultaneously
to enter set up mode
Press + or – button to:
(ALT display)
Unit
Select meter
Select feet
ALtH
Increase ceiling
Decrease ceiling
ALtL
Increase floor
Decrease floor
ConF
Enable and return
Disable and return
DBI 002 User Manual issue C7, 2005-05-25
Page 21/29
Press C/Time
button to walk
through set up
states.
(QNH display)
3.5. Internal batteries / battery charge
Internal batteries
The DBI is powered by two rechargeable NiMH AAA batteries.
These can be replaced via the battery access screw cap.
Charge
• The DBI is charged by connecting the DBI interface cable
and the mains (230/110 VAC) charger.
• The charge process is fully automatic and takes
approximately one hour from fully discharged condition. This
is indicated by fast moving battery indicator.
• Completed charge phase is indicated by slow moving battery
indicator.
Operational recommendations
See paragraph 4.2 Maintenance - batteries.
DBI 002 User Manual issue C7, 2005-05-25
Page 22/29
3.6. Configuration
Configuration of the DBI shall be done only in non flight mode.
This is done by connecting the DBI to a standard PC type
computers serial port with the DBI interface cable. The PC shall
execute the DBI configuration program.
Air data unit selection
The DBI displays selectable units for flight data.
Programmable air data units are:
• Altitude unit meter or feet.
• Altitude unit toggle mode, off or static or timeout.
• Rate of climb meter per second or feet per minute.
• Barometric setting unit hecto pascal or inch mercury.
• Temperature unit celsius or fahrenheit.
NOTE !
Flight data units is displayed during DBI flight mode. Unit
selection shall be fully understood by the operator prior to flight
usage.
Acoustic rate of climb
• Acoustic indication threshold and signature.
Acoustic high and low altitude warning
• Acoustic indication thresholds and signature.
Acoustic envelope temperature warning
• Acoustic indication threshold and signature.
Flight recorder
• Date and time.
• Flight recorder start mode.
DBI 002 User Manual issue C7, 2005-05-25
Page 23/29
DBITX1 envelope temperature transmitter identification
The DBI is programmed with a 5 digit identification code
labeled on the DBITX1 envelope temperature transmitter used.
The DBI stores maximum 8 different codes.
Automatic power off
The automatic power off function enabled or disabled.
Flight recorder start mode
The flight recorder start mode (1 of 4) selected or disabled.
Altimeter unit toggle
Altitude unit toggling mode selected or disabled
Alt warning limits setup
Direct alt warning limit setup enabled or disabled.
DBI 002 User Manual issue C7, 2005-05-25
Page 24/29
4. Maintenance
4.1. General
The DBI contains NO internal serviceable parts. If subject to
malfunction or other damage an approved service agent shall
be used.
Operator maintenance is limited to cleaning and battery
inspection.
4.2. Battery
• Inspect screw cap, battery support tube and inner contact for
contamination. If contaminated, clean with soft cloth.
• Replace batteries if poor endurance is observed. Type is
NiMH size AAA. Always replace both.
• Remove batteries prior to DBI long time storage.
4.3. Cleaning
• Use water and kitchen dish detergent to clean the DBI, dry
with soft cloth.
• Be cautious not to scratch the transparent polycarbonate
front cover with hard tools.
DBI 002 User Manual issue C7, 2005-05-25
Page 25/29
4.4. Calibration check
General
The DBI shall be checked for static pressure acquisition
tolerances every 24 month or according to national regulations.
This should be done ONLY by approved organizations to
conform with national regulations.
Approved service station can obtain drawing and instructions for
calibration from below stated service agents.
Control setup
Place the DBI in a pressure sealed chamber connected to a
pressure calibrator. The chamber shall have a viewing window
enabling reading of DBI display.
Control procedure
• Set the DBI barometric setting to 1013 hPa.
• Subject the DBI to pressure altitudes listed in paragraph 1.3
Specification - altimeter column 1 by means of a pressure
calibrator.
• Compare displayed altitude reading to be within column 2
max error tolerances.
Recalibration procedure
The DBI is recalibrated for offset error by using the DBI
application program together with above control procedure data.
This functionality shall ONLY be used by an national approved
service station.
DBI 002 User Manual issue C7, 2005-05-25
Page 26/29
4.5. Approved service agents
Name
DigiTool AB
Location
Sweden
Or any by national
CAA listed
Worldwide
Contact
Tel +46 8 343410
Email info@digitool.se
Check with your C.A.A.
DBI 002 User Manual issue C7, 2005-05-25
Page 27/29
5. Support apparatus
5.1. Interface cable and mains charger
The PC interface cable connects the DBI to a PCs serial port
via a 9 pin DSUB connector and to a mains charger. The mains
charger input voltage range is market on the charger.
PC computer
connector
Mains Charger
DBI 002 User Manual issue C7, 2005-05-25
DBI connector
Page 28/29
5.2. DBI PC application program
The application program enables configuration off and flight
recorder access to the DBI. Functionality is described when
running the application.
To use the application program, follow these steps:
• Install the application
• Connect the DBI to the PC:s serial port via the interface
cable.
• Power on the DBI.
• Start the application
5.3. DBITX1 envelope temperature transmitter
The DBITX1 is described in DBITX1 User Manual.
DBI 002 User Manual issue C7, 2005-05-25
Page 29/29

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Title                           : Microsoft Word - 565433.DOC

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