Testo SE and KGaA 2016T770-3 Bluetooth Clamp Meter User Manual

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Date Submitted	2016-07-14 00:00:00
Date Available	2016-07-15 00:00:00
Creation Date	2016-07-01 09:47:11
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testo 770 - Clamp meter
Instruction manual
1 Contents
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1 Contents
1 Contents........................................................................ 2
2 Observe prior to use! ................................................... 4
3 Safety instructions ....................................................... 4
4 Intended use ................................................................. 5
5 Overview ....................................................................... 6
5.1. Display and control elements ........................... 6
5.2. LC display ........................................................ 7
5.3. Control key functions ........................................ 8
5.4. Rotary switch functions .................................... 8
5.5. Further functions .............................................. 9
5.6. Explanation of icons ....................................... 10
6 Operating the instrument .......................................... 10
6.1. Switching the instrument on ........................... 11
6.2. Switching the background illumination on/off . 11
6.3. Switching the instrument off
(automatically/manually) ....................................... 11
6.4. Using testo 770-3 with
testo Smart Probes App ........................................ 11
6.4.1. Establishing Bluetooth® connection (770-3) .......... 11
6.4.2. Transmitting readings ........................................... 12
6.4.3. Overview of the App operating controls ................ 12
7 Carrying out a measurement..................................... 12
7.1. Preparing for measurement ........................... 12
7.2. Current measurement .................................... 13
7.2.1. Measuring A AC or A DC ...................................... 13
7.2.2. Measuring µA AC or µA DC (testo 770/-2/-3 only) 13
7.3. Voltage measurement .................................... 14
7.4. Measuring resistance, capacitance, continuity
and diode test ....................................................... 15
7.4.1. testo 770-1/-2 ....................................................... 15
7.4.2. testo 770-3............................................................ 15
7.5. Power measurement (testo 770-3 only) ......... 16
7.6. Frequency measurement ............................... 16
7.7. Temperature measurement (optional)
(testo 770-2/-3 only) .............................................. 16
7.8. Inrush current (INRUSH) ................................ 17
1 Contents
8 Service and maintenance .......................................... 17
8.1. Replacing the batteries .................................. 17
8.2. Maintenance .................................................. 18
8.3. Calibration ..................................................... 18
8.4. Storage .......................................................... 18
8.5. Cleaning ........................................................ 18
9 Technical data ............................................................ 19
9.1. General technical data ................................... 19
9.2. More technical data ....................................... 20
9.2.1. testo 770-1/-2........................................................ 20
9.2.2. testo 770-3 ............................................................ 21
9.3. Bluetooth module (testo 770-3 only) .............. 23
10 Tips and assistance ................................................. 24
10.1. Questions and answers ............................... 24
10.2. Accessories and spare parts........................ 24
11 Authorizations (testo 770-3 only) ........................... 24
11.1. Certifications ................................................ 26
11.2. Declaration of Conformity ............................ 27
12 Protecting the environment .................................... 28
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3 Safety instructions
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2 Observe prior to use!
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•
•
The instruction manual contains information and instructions which are
necessary for operating and using the instrument safely. Before using
the instrument, read the instruction manual carefully and comply with
all aspects of it. Keep this document to hand so that you can refer to it
when necessary. Forward this documentation to any subsequent users
of the instrument.
If the manual is not followed, or if you fail to observe the warnings and
instructions, there is a risk of fatal injury to the user and damage to the
instrument.
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3 Safety instructions
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•
•
•
•
•
•
•
•
•
•
•
•
•
The instrument may only be used by trained personnel. During all
operations, please observe the Employers' Liability Insurance
Association provisions for health and safety at work.
In order to prevent electric shock, take safety precautions when
working with voltages greater than 120 V (60 V) DC or 50 V (25 V)
rms. AC. These values are the limit for contact voltages in accordance
with DIN VDE (values in brackets apply to restricted areas, for example
agricultural sectors).
The measuring instrument may only be used with a maximum voltage
of 600 V.
Measurements that are dangerously close to electrical installations
must only be carried out under the direction of a qualified electrician,
not by oneself.
The instrument may only be touched at the designated grip areas, the
display elements must not be covered.
If the safety of the operator can no longer be guaranteed, you must
decommission the instrument and ensure that it cannot be used
inadvertently. This applies if the instrument:
•
has obvious indications of damage
cracks on the housing
defective test leads
leaking batteries
•
will no longer carry out the required measurements
•
was stored for too long in unfavourable conditions
•
was exposed to mechanical stresses during transport.
Prevent the instrument from being heated due to exposure to direct
sunlight. This is the only way to ensure that the instrument functions
perfectly and has a long service life.
If the instrument needs to be opened, this should only be carried out by
an expert. Before being opened, the instrument must be switched off
and isolated from all electrical circuits.
Maintenance work that is not described in this documentation must
only be carried out by trained service technicians.
If the instrument is modified in any way, operational safety can no
longer be guaranteed.
Modifications or alterations to the instrument will result in the complete
invalidation of any warranty or guarantee claims against the
manufacturer.
It is not permitted to use the instrument in an explosive environment.
Before and after use, always check that the instrument is in peak
working order. To do this, test the instrument at a known current
source.
4 Intended use
•
•
•
•
•
•
High-frequency electromagnetic fields (HF) can influence the
measurement result and result in the wrong information being
displayed. This influence is temporary and will not damage the
measuring instrument in any way. As soon as the measuring
instrument is removed from the influencing HF field, its original
accuracy will be re-established. Known sources of these highfrequency electromagnetic fields are radio or mobile telephony
equipment, for example. If this type of equipment should influence the
measuring instrument, switch it off or increase the distance between
the equipment and the measuring instrument.
The instrument must not be used while its battery compartment is
open.
Batteries must be checked before use and changed if necessary.
Storage areas must be dry.
If there is any battery leakage, the instrument must no longer be used
until it has been checked by our Customer Service.
The battery acid (electrolyte) is highly alkaline and electrically
conductive. Risk of acid burn! If the battery acid comes into contact
with your skin or clothing, thoroughly rinse the areas affected
immediately with plenty of water. If battery acid gets into your eyes,
rinse them immediately with plenty of water and seek medical advice.
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4 Intended use
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The instrument may only be used under the conditions and for the purpose
for which it was designed:
•
The instrument conforms to measurement category CAT IV with a
rated voltage of 600V to earth.
Measurement category CAT IV is for use at the source of voltage
installations, e.g. building connection, main fuse, meter.
The instrument may only be used in the fields of application described in
the instruction manual. Any other application is considered improper and
untested usage, and can result in accidents or damage to the instrument.
Any misuse will result in the complete invalidation of any warranty or
guarantee claims against Testo.
The manufacturer is not responsible for any damage to property or personal
injury resulting from the following:
•
Failure to observe the instruction manual
•
Instrument modifications not approved by the manufacturer
•
The use of spare parts not approved by the manufacturer
•
Use under the influence of alcohol, drugs or medication
The instrument must not be used for the following circumstances:
•
In potentially explosive atmospheres: the instrument is not explosionproof!
•
When there is rain or other precipitation: risk of electric shock!
5 Overview
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5 Overview
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5.1. Display and control elements
Control keys
LC display
Clamp trigger
Clamp/hook
HOLD key
Rotary switch
Grip area
On the rear: Battery compartment
Input jack for voltage, resistance, continuity, capacitance, diode,
frequency and µA measurements
10. Ground/COM jack for all measurements from point 9
5 Overview
5.2. LC display
10
11
12
Direct current/voltage
Alternating current/voltage
Inrush current measurement
Zeroing enabled in DC current measuring mode
AUTO mode is the default setting in all measuring modes
Power factor
Dangerous voltage, AC ≥ 33 V, DC ≥ 70 V
Bluetooth® enabled (testo 770-3 only)
Maximum, minimum, average measurement
Alarm off
Hold is activated, LC display holds the current reading
Battery capacity display
Display
Feature
No Symbol
Battery capacity 100 – 30%
Battery capacity 30 - 15%
Battery capacity 15 - 2%
flashes and
acoustic
signal emitted
13
14
15
16
Battery capacity 2 – 0%, instrument switches off
automatically
Automatic power-off function is activated
Measuring units
Diode test and continuity
Measuring units
5 Overview
17 Analog display (testo 770-3 only)
18 Indication of polarity in bar chart (testo 770-3 only)
5.3. Control key functions
The clamp meter features a rotary switch, as well as 6 control keys, which
respond to a brief or a long keypress.
In the default setting, the instrument is in AUTO mode when voltage,
current, RCDC (resistance, capacitance and diode with continuity) is being
measured.
Key
Zero
adjustment
Select
Min/Max
Inrush
Illumination
Brief keypress function
(<1 s)
Long keypress function (>2 s)
Zeroing when measuring DC Exit zero adjustment
current
Switches between the
manual sub-modes of the
selected measurement.
Back to AUTO mode
Switches between MAX, MIN Switch off recording mode
and AVG functions
If position A is selected, the Switches back to the mode
instrument switches to inrush most recently activated before
mode.
INRUSH was selected.
Reset the inrush
measurement if a
measurement is already
shown on the LC display.
Background illumination
on/off
Background illumination
on/off
Bluetooth on/off
(testo 770-3)
Illumination/
Bluetooth
5.4. Rotary switch functions
Selection
Function
Switch the instrument off.
Switch off
Activates automatic mode for current, choose between
Current
Voltage
AC/DC. Manual selection of AC/DC with [
AC/DC with [
].
Activates automatic mode for voltage between AC and DC
measurement via the test leads and jacks. Manual selection of
].
5 Overview
Selection
Function
Automatic mode for resistance, continuity, capacitance and
RCDC
control
diode test. Manual selection of AC/DC with [
testo 770-3
only
].
Activates the mode for power measurement. Manual selection
of active, reactive and apparent power, as well as power
measurement for direct current/voltage with [
].
Automatic mode for µA measurement. Manual selection of
testo 770-2/- AC/DC with [
3 only
].
5.5. Further functions
Bluetooth® (testo 770-3 only)
Enable Bluetooth®: press and hold down [
switch from [OFF] to a function. Then release [
Disable Bluetooth®: turn rotary switch to [OFF].
] and turn the rotary
].
HOLD
> Activate function: press [HOLD] <1 s.
the current reading is recorded and HOLD is shown on the LC display.
> Exit function: press [HOLD] <1 s.
the current measurement is displayed.
The Hold function can be used from all measuring modes.
MAX/MIN/AVG
] allows for switching between maximum, minimum and the periodic
display of AVG values.
This function is disabled in the default setting.
Activate function: press [
] <1 s.
Max value is displayed.
Display min value and periodic display of AVG values:
press [
] <1 s each time.
Exit function: press [
] >2 s or [HOLD].
This function can be activated in all measuring modes (this
function is not available at capacitance measurement with testo
770-1 and testo 770-2).
When pressing [
] in AUTO AC/DC voltage mode or AUTO
AC/DC current measurement mode, the instrument retains the
last-selected AC/DC setting. In all other operating states, you
can select what you need by briefly pressing the [
via the rotary switch itself:
•
Voltage measurement and measurement with a
] key or
thermocouple adapter: select
6 Operating the instrument
•
•
Current measurement: select
Resistance, continuity, diode and capacitance
measurement: select
•
μA measurement: select
•
Power measurement: select
(testo 770-3 only).
(testo 770-3 only).
5.6. Explanation of icons
Icon
Meaning
Attention! Warning about a danger spot, refer to instruction
manual
Caution! Dangerous voltage, risk of electric shock
Application around and removal from HAZARDOUS LIVE
conductors is permitted.
Continuous double or reinforced insulation complies with
category II DIN EN 61140 / IEC 536
The product is certified for the US and Canadian markets, in
accordance with the applicable American and Canadian
standards.
Tested for safety (tested by TÜV Rheinland)
Compliance mark for ACMA (Australian Communications and
Media Authority) guidelines.
This product has been tested to the requirements of CAN/CSAC22.2 No. 61010-1, second edition, including Amendment 1, or
a later version of the same standard incorporating the same
level of testing requirements.
Bluetooth
testo 770-3 only
Conformity mark, verifies compliance with the valid EU
Directives: EMC Directive (2014/30/EU) with the EN 61326-1
standard, Low-Voltage Directive (2014/35/EU) with the
EN 61010-1 standard
The instrument complies with the WEEE Directive
(2012/16/EU)
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6 Operating the instrument
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Different measuring modes can be selected via the rotary switch. When the
instrument is in voltage mode [
], it automatically detects the range and
the type of measurement, AC or DC. When the instrument is in current
mode [
], it automatically switches between AC and DC accordingly.
When the rotary switch is at the [
] position, the instrument automatically
detects the appropriate measurement. If the instrument is switched to
10
6 Operating the instrument
power mode [
], it measures active, reactive and apparent power
together with the power factor (for sinusoidal signals).
All the available measuring modes can also be selected manually.
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6.1. Switching the instrument on
Switch on: turn the rotary switch to the required measuring mode.
The instrument switches on.
6.2. Switching the background illumination
on/off
> To switch on/off: briefly press the [ ] key.
The background illumination switches off automatically within 1 minute.
It is possible to switch the background illumination on/off in all
measuring modes.
6.3. Switching the instrument off
(automatically/manually)
Automatically
The automatic power-off function (APO) is always enabled as a default
setting and is shown on the LC display as APO. If no control key is pressed
within 15 min, the instrument switches off automatically. If necessary, the
automatic power-off function (APO) can be turned off.
> Disable power-off function: press the [HOLD] key and turn the rotary
switch from the OFF position to a different position.
Once the instrument has switched off, the power-off function is
reset to the default setting.
Manually
> Switch off: turn the rotary switch to the [OFF] position.
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6.4. Using testo 770-3 with testo Smart Probes
App
6.4.1. Establishing Bluetooth® connection (770-3)
You need a tablet or smartphone with the testo Smart Probes App already
installed on it to be able to establish a Bluetooth connection.
You can get the App for iOS instruments in the App Store or for Android
instruments in the Play Store.
Compatibility:
•
requires iOS 8.3 or newer / Android 4.3 or newer
•
requires Bluetooth 4.0
•
tested with the following smartphones / tablets:
www.testo.com/smartprobesmanuals.html
11
7 Carrying out a measurement
✓
The testo Smart Probes App is installed on your mobile terminal device
and ready for use.
Enable Bluetooth®: press and hold down [
switch from [OFF] to a function. Then release [ ].
CONN appears in the display. If the Bluetooth® connection is
established,
appears in the display and the instrument changes to
the set measuring mode.
Disable Bluetooth®: Turn rotary switch to [OFF].
] and turn the rotary
6.4.2. Transmitting readings
✓
testo 770-3 is switched on and connected to your mobile terminal
device via Bluetooth.
The current readings are automatically displayed in the App.
6.4.3. Overview of the App operating controls
Choice of applications.
Display of connected instruments.
Switch between views (list, graphic, table)
Settings for measurement. (The menu adjusts depending on the instrument
connected and the application selected)
Restarts the measuring value recording in graph and table format.
Export of the readings
Menu options
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7 Carrying out a measurement
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7.1. Preparing for measurement
Prior to every measurement, please ensure that the instrument is in perfect
condition:
•
For example, keep an eye out for broken housing or leaking batteries.
•
Always carry out a function test before using the instrument, see below.
12
7 Carrying out a measurement
•
•
Check that the instrument is functioning perfectly (for example at a
known voltage source) before and after every test.
If the safety of the user cannot be guaranteed, the instrument must be
switched off and secured to prevent unintentional usage.
When connecting the test leads to the test object, always connect
the common test lead (COM) to the test object first of all. When
disconnecting the test leads, always disconnect the +/- phase test
lead first of all.
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7.2. Current measurement
WARNING
Serious risk of injury to the user and/or destruction of the instrument
while measuring current.
> Measuring circuit must be de-energized.
The measuring instrument may only be used in circuits up to a
maximum voltage of 600V. The nominal cross-section of the
connection cable must be taken into account in order to ensure
safe connection (e.g. via crocodile clips).
Strong RFinterference and / or open leadswhen measuring A AC
may result in unstable display readings.
7.2.1. Measuring A AC or A DC
Automatic measuring mode
1.
2.
Switch instrument on: set rotary switch to
The instrument switches on.
The instrument is in AUTO A mode.
Enclose the live conductor and centre it in the jaws.
The instrument automatically detects the A AC or A DC mode.
The measured value is shown on the LC display.
For measurements below 3.0 A AC, the automatic AC/DC
detection might not work. If that happens, set AC/DC manually.
Manual measuring mode
✓
Instrument is in automatic measuring mode AUTO A
1.
Exit AUTO A measuring mode: press [
2.
Switch between A AC and A DC: press [
] <1 s.
The measured value is shown on the LC display.
] <1 s.
Switch to automatic measuring mode: press [
] >1 s.
The instrument is in automatic measuring mode when AUTO is
illuminated on the LC display.
7.2.2. Measuring µA AC or µA DC (testo 770/-2/-3 only)
Automatic measuring mode
1.
Switch instrument on: set rotary switch to
The instrument switches on.
13
7 Carrying out a measurement
2.
The instrument is in AUTO µA mode.
Connect test leads: black test lead to black jack, red test lead to red
jack. Then connect test leads to the test object.
The instrument automatically detects the µA AC or µA DC mode.
The measured value is shown on the LC display.
Manual measuring mode
✓
Instrument is in automatic measuring mode AUTO µA.
1.
Exit AUTO µA measuring mode: press [
2.
Switch between µA AC and µA DC: press [
] <1 s.
The measured value is shown on the LC display.
] <1 s.
Switch to automatic measuring mode: press [
] >1 s.
The instrument is in automatic measuring mode when AUTO is
illuminated on the LC display.
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7.3. Voltage measurement
When measuring AC voltage, the frequency is measured at the
same time and shown in the relevant row on the LC display.
Automatic measuring mode
1.
2.
Switch instrument on: set rotary switch to
The instrument switches on.
The instrument is in AUTO V mode.
Connect test leads: black test lead to black jack, red test lead to red
jack. Then connect test leads to the test object.
The instrument features a built-in zero crossing detector. When the
measured signal (voltage or current) indicates zero crossings, the
instrument automatically switches to AC measuring mode. If
continuity is indicated, the instrument switches to DC measuring
mode.
The measured value is shown on the LC display.
Manual measuring mode
✓
Instrument is in automatic measuring mode AUTO V.
1.
Exit AUTO V measuring mode: press [
2.
Switch between V AC and V DC: press [
] <1 s.
The measured value is shown on the LC display.
3.
Switch to automatic measuring mode: press [
] >1 s.
The instrument is in automatic measuring mode when AUTO is
illuminated on the LC display.
14
] <1 s.
7 Carrying out a measurement
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7.4. Measuring resistance, capacitance,
continuity and diode test
WARNING
Serious risk of injury to the user and/or destruction of the instrument
during resistance testing.
> Test object must be de-energized.
External voltages will distort the measurement result.
7.4.1. testo 770-1/-2
Manual measuring mode
1.
2.
3.
Switch instrument on: set rotary switch to
The instrument is switched on.
Connect test leads: black test lead to black jack, red test lead to red
jack. Then connect test leads to the test object.
The instrument is in Ω measuring mode.
Switch between resistance, capacitance, continuity and diode test:
press [
] <1 s.
The measured value is shown on the LC display.
7.4.2. testo 770-3
Automatic measuring mode
Automatic detection for resistance/capacitance in the following
range:
•
0.0 ohms to 6.000 mohms
•
0.500 nF to 600.0 µF
Change to manual measuring mode for the remaining measuring
range.
1.
2.
Switch instrument on: set rotary switch to
The instrument is switched on.
Connect test leads: black test lead to black jack, red test lead to red
jack. Then connect test leads to the test object.
The instrument is in AUTO RCDC measuring mode.
The instrument detects resistance, continuity, diode and capacitance
and automatically adjusts the measuring range.
The measured value is shown on the LC display.
Manual measuring mode
3.
4.
Disable AUTO RCDC measuring mode: press [
] <1 s.
Switch between resistance, capacitance, continuity and diode test:
press [
] <1 s.
The measured value is shown on the LC display.
Switch back to AUTO mode: press [
] >2 s.
15
7 Carrying out a measurement
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7.5. Power measurement (testo 770-3 only)
For the power measurement, two measurements are carried out at the
same time. The voltage of the measurement object is measured via the
COM jack, V input jack and using two test leads. The current of the
measurement object must be measured using the clamp meter. From these
two factors, the instrument automatically calculates the different types of
power, as well as the power factor.
1.
2.
3.
4.
Switch instrument on: set rotary switch to
The instrument switches on.
The instrument is in the mode for power measurement with alternating
current/voltage
Enclose the live conductor and centre it in the jaws.
Connect test leads: black test lead to black jack, red test lead to red
jack. Then connect test leads to the test object.
The instrument displays the active power in w(atts) and the power
factor (PF).
The instrument requires approx. 5 s for the reading to be
displayed. An updated reading is displayed after approx. 5 s.
5.
Switch between active power, apparent power, reactive power and
power measurement for direct current/voltage: press [
] <1 s.
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7.6. Frequency measurement
The frequency is displayed automatically during an A AC or V AC
measurement.
The following minimum values are necessary for correct
display of
frequency with voltage and/or current measurement:
Voltage: 200 mV
Current: 1.5% of the measuring range
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7.7. Temperature measurement (optional)
(testo 770-2/-3 only)
A thermocouple adapter (0590 0021) is optionally available for measuring
temperature. Before using the thermocouple adapter, please carefully read
through the relevant section relating to the thermocouple adapter in the
documentation. Familiarize yourself with the product before using it. Pay
particular attention to the safety instructions and warning advice in order to
prevent injuries and damage to the product.
In this section, it is assumed that you are familiar with the contents of the
documentation relating to the thermocouple adapter.
Carrying out temperature measurement
✓ A thermocouple is attached to the thermocouple
adapter.
1.
Switch instrument on: set rotary switch to
2.
The instrument switches on.
The instrument is in AUTO V mode
Connect the thermocouple adapter to the instrument: plug the adapter
into the jack. Ensure correct polarity!
16
8 Service and maintenance
The thermocouple adapter switches on automatically.
3.
Activate temperature measurement: press [
] >2 s.
The measured values are shown on the LC display in °C and °F.
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7.8. Inrush current (INRUSH)
The inrush function is an approximation function. This means
that
readings can differ from one another.
1.
Switch instrument on: set rotary switch to
2.
The instrument switches on.
The instrument is in AUTO A mode.
Enclose the live conductor and centre it in the jaws.
3.
Activate inrush current calculation: press [
] <1 s.
The measured value is shown on the LC display.
4.
5.
Restart inrush current calculation: press [
] <1 s.
The measured value is shown on the LC display.
Exit inrush current calculation and switch back to AUTO mode: press [
] >2 s.
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8 Service and maintenance
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8.1. Replacing the batteries
The batteries need to be replaced when the battery icon appears on the LC
display.
✓ The instrument is switched off.
1. Disconnect the instrument from the test leads and make sure that the
instrument is not enclosing any live cable.
17
8 Service and maintenance
2.
3.
4.
5.
Using a screwdriver, unscrew the two metal screws (1, 2) on the
battery compartment until the battery compartment cover can be
removed. Do not unscrew the screws completely.
Remove the spent batteries.
Insert new batteries, type AAA / IEC LR03 (1.5 V), ensuring correct
polarity.
Put the battery compartment cover back on and screw down.
8.2. Maintenance
When operated in accordance with the instruction manual, the instrument
does not require any particular maintenance.
If a malfunction occurs during operation, the ongoing measurement should
be stopped immediately. Send the instrument to Testo Service for checking.
8.3. Calibration
In order to maintain the specified accuracy of the measurement results,
Testo recommends calibrating the instrument once a year. Send the
instrument to Testo Service for calibration.
8.4. Storage
Store the instrument in dry, closed rooms.
If the instrument is not in use for a significant period of time: remove
the batteries in order to prevent any danger or damage due to any
potential leaking of the batteries.
8.5. Cleaning
Before cleaning, the instrument must be switched off and disconnected
from external voltages or from other connected instruments (test specimen,
control units, etc.).
18
9 Technical data
Wipe the instrument with a damp cloth and a small amount of mild
household detergent.
Never use any harsh cleaning agents or solvents to clean the instrument!
After being cleaned, the instrument must not be used until it has completely
dried.
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9 Technical data
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9.1. General technical data
Feature
Ambient operating
temperature
Values
0 °C to 50 °C
Ambient storage
temperature
-10 °C to 60 °C
Humidity
0 to 80% RH
Operating altitude
Up to 2000 m
Measurement category CAT IV / 600 V
Level of contamination 2
Protection class
IP 40
Power supply
3 x 1.5 V (AAA / IEC LR03)
Battery status display
Batt. icon appears from <3.9 V
Display
3 3/4 digit, LC display
Display range
testo 770-1/-2: 4000 digits
testo 770-3: 6000 digits
Polarity indicator
automatic
Overload protection for high-impedance (testo 770-2/-3 only)
µA current
measurement
Dimensions (H x W x
D)
Approx. 250 x 95 x 40 mm
Weight
Approx. 450 g
Safety standards
WEEE 2012/16/EU, EMC 2014/30/EU, EN 613261, Low-Voltage Directive 2014/35/EU with the
standard EN 61010-2-032, insulation complies with
category II IEC 536 / DIN EN 61140
Warranty
Duration: 2 years
Warranty terms: see website
www.testo.com/warranty
19
9 Technical data
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9.2. More technical data
9.2.1. testo 770-1/-2
Feature
Measuring
range1
Resolution Accuracy
DC voltage
4.000 V
40.00 V
400.0 V
600 V
1 mV
10 mV
100 mV
1V
± (0.8% of meas. val. +
3 digits)
AC voltage2,3,4
4.000 V
40.00 V
400.0 V
600 V
1 mV
10 mV
100 mV
1V
± (1.0% of meas. val. +
3 digits)
400 A
0.1 A
400 µA
0.1 µA
± (2.0% of meas. val. +
5 digits)
DC current
- jaws [A]
- jack [µA]
(testo 770-2)
AC current3
- jaws [A]5
± (1.5% of meas. val. +
5 digits)
400 A
0.1 A
- jack [µA]
(testo 770-2)2,4
400 µA
0.1 µA
Resistance
400.0 Ohm
4.000 kOhm
40.00 kOhm
400.0 kOhm
4.000 MOhm
40.00 MOhm
Continuity alarm
<0 to 30 Ohm
Diode test
yes (0 to 2.5 V)
Capacity
51.20 nF6
± (2.0% of meas. val. +
5 digits)
± (1.5% of meas. val. +
5 digits)
0.1 Ohm
1 Ohm
10 Ohm
100 Ohm
1 kOhm
10 kOhm
± (1.5% of meas. val. +
3 digits)
0.01 nF
± 10% typically
The lower measuring ranges are only specified from 5% (does not apply
to DC current / AC current measurements with the current probe)
Signal bandwidth 40 Hz to 1 kHz
In the case of a mixed signal (AC + DC), only the purely AC component is
taken into account
As the frequency increases (over 400 Hz), the accuracy deteriorates
+/- (1.5% of m.v. + 3 digits) for 400Hz to 750Hz / +/- (2.0% of m.v. + 3digits)
for 750Hz to 1kHz
Frequency of AC current up to 400 Hz
Specification is valid for capacitances > 10 nF
20
9 Technical data
Feature
Temperature with
adapter (testo 7702)8
Measuring
range1
Resolution Accuracy
512.0 nF
0.01 nF
± (1.5% of meas. val. +
5 digits)
5.120 µF
0.001 µF
± (1.5% of meas. val. +
5 digits)
51.20 µF
0.01 µF
± 10% typically
100.0 µF (15
s)7
0.1 µF
± 10% typically
-20 to 500 °C
0.2 °C
-20 to 0 °C: +/- 2 °C
0 °C to 100 °C: +/- 1 °C
100 °C to 250 °C: +/1.5%
>250 °C: +/-2%
Figures correspond to +23 °C ± 5 °C at <80% rel. humidity. Temperature
coefficient: 0.15 x specified accuracy per 1 °C (<18 °C and >28 °C)
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9.2.2. testo 770-3
Feature
Measuring
range9
Resolution Accuracy
DC voltage
600 mV
6.000 V
60.00 V
600.0 V
0.1 mV
1 mV
10 mV
100 mV
± (0.8% of meas. val. +
3 digits)
AC voltage10,11,12
600 mV
6.000 V
60.00 V
600.0 V
0.1 mV
1 mV
10 mV
100 mV
± (1.0% of meas. val. +
3 digits)
DC current
- jaws [A]
600 A
0.1 A
- jack [μA]
600 μA
1 μA
± (2.0% of meas. val. +
5 digits)
± (1.5% of meas. val. +
5 digits)
Maximum measurement duration is 15 s
Does not include the measurement error of the temperature probe. The
specified accuracy is the sum total of the measurement errors of the
thermocouple adapter and the testo 770.
The lower measuring ranges are only specified from 5% (does not apply
to DC current / AC current measurements with the current probe)
10
11
Signal bandwidth 40 Hz to 1 kHz
In the case of a mixed signal (AC + DC), only the purely AC component
is taken into account
12
As the frequency increases (over 400 Hz), the accuracy deteriorates
+/- (1.5% of m.v. + 3 digits) for 400Hz to 750Hz / +/- (2.0% of m.v. + 3digits)
for 750Hz to 1kHz
21
9 Technical data
Measuring
range9
Resolution Accuracy
AC current11
- jaws [A]13
600 A
0.1 A
- jack [μA]10,12
600 μA
0.1 μA
Feature
± (2.0% of meas. val. +
5 digits)
± (1.5% of meas. val. +
5 digits)
Resistance
60.00 Ohm
600.0 Ohm
6.000 kOhm
60.00 kOhm
600.0 kOhm
6.000 MOhm
60.00 MOhm
Continuity alarm
0 to 30 Ohm
Diode test
yes (0 to
2.5 V)
0.01 Ohm
0.1 Ohm
1 Ohm
10 Ohm
100 Ohm
1 kOhm
10 kOhm
± (1.5% of meas. val. +
3 digits)
Power measurement Power factor:
±5% ±5 digits, for current strength > 10 A
±10% ±5 digits typical, for current strength between >
2 A and < 10 A
Power:
±10% current strength > 10 A
±15% typical, for current strength < 10 A
Capacitance
measurement
6.000 nF14
0.001 nF
± (10% of meas. val. +
25 digits)
60.00 nF
0.01 nF
± (2% of meas. val. + 10
digits)
600.0 nF
0.1 nF
± (1.5% of meas. val. +
5 digits)
6.000 µF
0.001 µF
± (1.5% of meas. val. +
5 digits)
60.00 µF
0.01 µF
± (1.5% of meas. val. +
5 digits)
600.0 µF
0.1 µF
± (2% of meas. val. + 10
digits)
1.0 µF
± 10% typically
10.0 µF
± 10% typically
6.000 mF
15
60.00 mF
13
14
15
Frequency of AC currents up to 400 Hz
Accuracy valid for capacitance values >2 nF
Maximum measurement duration is 13.2 s
22
9 Technical data
Feature
Measuring
range9
Resolution Accuracy
Frequency with
voltage/current16
9.999 Hz
99.99 Hz
999.9 Hz
9.999 kHz
0.001 Hz
0.01 Hz
0.1 Hz
1 Hz
± (0.1% + 1 digits)
Temperature with
adapter17
-20 to 500 °C
0.2 °C
-20 to 0 °C ± 2 °C
0 to 99.99 °C ± 1 °C
100 to 249.99 °C
± 1.5%
>250 °C ± 2%
Figures correspond to +23 °C ± 5 °C at <80% rel. humidity. Temperature
coefficient: 0.15 x specified accuracy per 1 °C (<18 °C and >28 °C)
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9.3. Bluetooth module (testo 770-3 only)
Feature
Values
Bluetooth
Range <20 m (free field)
Bluetooth type
LSD Science & Technology Co., Ltd
L Series BLE module (08 May 2013) based on TI
CC254X chip
Qualified Design ID
B016552
Bluetooth radio class
Class 3
Bluetooth company
10274
testo 770-3 only
The use of the wireless module is subject to the regulations and
stipulations of the respective country of use, and the module may
only be used in each case in countries for which a country
certification has been granted.
The user and every owner undertake to adhere to these
regulations and prerequisites for use, and acknowledge that the
re-sale, export, import, etc. in particular in, to or from countries
without wireless permits, is their responsibility.
16
Frequency measurement is not specified for alternating currents or
voltages below 3% of the smallest respective measuring range
17
Does not include the measurement error of the temperature probe. The
specified accuracy is the sum total of the measurement errors of the
thermocouple adapter and the testo 770
23
11 Authorizations (testo 770-3 only)
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10 Tips and assistance
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10.1. Questions and answers
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Question
Possible causes/solution
OL
The reading exceeds the measuring range upper limit
> Check input value and change if necessary.
dISC
(testo 770-3 only)
The capacitor to be tested still contains charge.
> Discharge capacitor properly and carry out the test
again.
OPEn
No connection to the probe tips during the RCDC
measuring mode.
> Establish a connection to the measurement object.
If we have not been able to answer your question, please contact your
dealer or Testo Customer Service. For contact details, please visit
www.testo.com/service-contact.
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10.2. Accessories and spare parts
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Probe and other assemblies are appropriately rated for measurement
category III or IV and have a suitable voltage rating for the circuit to be
measured.
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11 Authorizations (testo 770-3 only)
Please note the following country-specific information for the product
authorization.
Pos: 37 /TD/Zulassungen/Daten_testo 770 @ 18\mod_1443699524993_0.docx @ 222392 @ 5555555551 @ 4
European Certification
Belgium (BE), Bulgaria (BG), Denmark (DK), Germany (DE), Estonia (EE),
Finland (FI), France (FR), Greece (GR), Ireland (IE), Italy (IT), Latvia (LV),
Lithuania (LT), Luxembourg (LU), Malta (MT), Netherlands (NL), Austria
(AT), Poland (PL), Portugal (PT), Rumania (RO), Sweden (SE), Slowakia
(SK), Slowenia (SI), Spain (ES), Czech Republic (CZ), Hungary (HU),
United Kingdom (GB), Republic of Cypres (CY).
EFTA countries
Iceland, Liechtenstein, Norway and Switzerland.
Other countries
USA, Canada, Australia, Turkey
USA
FCC ID: WAF-2016T770-3
Information from the FCC (Federal Communications Commission)
For your own safety
Shielded cables should be used for a composite
interface. This is to ensure continued protection
against radio frequency interference.
FCC warning statement
This equipment has been tested and found to comply
with the limits for a Class B digital device, pursuant to
Part 15 of the FCC Rules. These limits are designed
to provide reasonable protection against harmful
24
11 Authorizations (testo 770-3 only)
interference in a residential installation. This
equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful
interference to radio communications. However,
there is no guarantee that interference will not occur
in a particular installation. If this equipment does
cause harmful interference to radio or television
reception, which can be determined by turning the
equipment off and on, the user is encouraged to try
to correct the interference by one or more of the
following measures:
•
Reorient or relocate the receiving antenna.
•
Increase the separation between the equipment
and receiver.
•
Connect the equipment into an outlet on a circuit
different from that to which the receiver is
connected.
•
Consult the dealer or an experienced radio/TV
technician for help.
Caution
Changes or modifications not expressly approved by
the party responsible for compliance could void the
user's authority to operate the equipment. Shielded
interface cable must be used in order to comply with
the emission limits.
Warning
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) this device may not cause harmful interference,
and
(2) this device must accept any interference received,
including interference that may cause undesired
operation.
Canada
Product IC: 6127B-2016T7703
RSS-Gen & RSS-247 statement:
This device complies with Industry Canada licenceexempt RSS standard(s).
Operation is subject to the following two conditions:
(1) this device may not cause interference, and
(2) this device must accept any interference, including
interference that may cause undesired operation of
the device.
Le présent appareil est conforme aux CNR d'Industrie
Canada applicables aux appareils radio exempts de
licence.
L'exploitation est autorisée aux deux conditions
suivantes :
(1) l'appareil ne doit pas produire de brouillage, et
(2) l'utilisateur de l'appareil doit accepter
tout brouillage radioélectrique subi, même si le
brouillage est susceptible d'en compromettre le
fonctionnement.
25
11 Authorizations (testo 770-3 only)
Australia
E 1561
Turkey
Authorized.
China
CMIIT ID: 2016DJ3471
11.1. Certifications
Tested for safety (tested by TÜV Rheinland)
The product is certified for the US and Canadian markets, in accordance
with the applicable American and Canadian safety standards.
26
11 Authorizations (testo 770-3 only)
11.2. Declaration of Conformity
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27
12 Protecting the environment
12 Protecting the environment
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28
Dispose of faulty rechargeable batteries/spent batteries in accordance
with the valid legal specifications.
At the end of its useful life, send the product to the separate collection
for electric and electronic devices (observe local regulations) or return
the product to Testo for disposal.
0970 7700 en 03a V01.00

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