GMW TG basic 1 User guide
TG basic 1
Appliance tester for testing
protective measures
in accordance with DIN VDE 0701-0702
(DIN EN 62638)
Operating manual
(Version 1.00.8 or higher)
Operating manual for the TG basic 1 appliance tester
Table of contents Page
1. Safety information 3
2. Introduction 4
3. Safety instructions 5
4. Appropriate usage 6
5. Operating elements 7
6. Starting up 8
6.1. Initial equipping or battery replacement 8
6.2. Switching the tester on and off
Selecting the measuring sequences 8
7. Explanation of terminology 11
7.1. Protection class I (PC I) 11
7.2. Protection class II (PC II) 11
7.3. Protection class III (PC III) 11
7.4. Protective conductor resistance (RPE)11
7.5. Insulation resistance (R
7.6. Substitute leakage current (IEA)12
)11
ISO
7.7. Visual inspection 12
8. Conducting tests in accordance with
DIN VDE 0701-0702; Definition of standards 13
8.1. Visual inspection 13
8.2. Measuring the protective conductor resistance 13
8.3. Measuring the insulation resistance 13
8.4. Measuring the substitute leakage current
for devices of protection class I 14
8.5. Measuring the substitute leakage current for devices
of protection class II 15
8.6. Inspecting the inscriptions 15
9. Test procedures 16
9.1. Testing devices of protection class I 16
9.1.1. Measuring the protective conductor resistance 16
9.1.2. Measuring the insulation resistance 18
9.1.3. Measuring the substitute leakage current 19
9.1.4. Test assessment 19
9.2. Testing devices of protection class II 20
9.2.1. Measuring the insulation resistance 20
9.2.2. Measuring the substitute leakage current 20
9.2.3. Test assessment 21
9.3. Cable test 21
9.3.1. Protective conductor resistance 22
9.3.2. Insulation resistance 22
9.3.3. Cable test 22
9.4. Measuring the voltage at an external earthed
mains socket 23
10. Checking the battery voltage 24
11. Technical data 24
12. Notes on cleaning 25
13. Calibrating the tester 25
14. Manufacturer’s guarantee conditions 26
GOSSEN Müller & Weigert
Operating manual for the TG basic 1 appliance tester
1. Safety information
Tests on the electrical safety of electrical appliances may only be
carried out by qualified electricians or under their supervision.
Carefully read through the following safety information before
starting up the TG Basic appliance tester.
Symbols used in the operating manual and on the appliance
tester:
Warning of a hazardous situation. Follow the operating
manual.
Caution! Dangerous voltage, danger of electric shock.
Note: Please be sure to follow the manual!
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CE mark of conformity
The operating manual contains information and notes
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which are necessary for the safe operation and use of the
appliance tester. Before using (starting up) the appliance
tester, the operating manual should be carefully read
through and followed in all points.
If the manual is not observed or if you fail to observe the
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warnings and notes, serious injury to the user and
damage to the appliance tester can occur.
All the technical data and quoted standards in this manual
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are up-to-date at the time of going to press and have
been determined to the best of our knowledge,
nevertheless this data may be subject to errors and
printing errors. Therefore no legal responsibility or any
other liability can be accepted for incorrect information or
the consequences of this information.
The respective provisions, regulations and standards
are the authorities defining the procedures to be
followed when conducting tests.
There is no intention to infringe on any existing patents
and other property rights with this publication.
GOSSEN Müller & Weigert
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Operating manual for the TG basic 1 appliance tester
2. Introduction
You have acquired a high-grade device from the company Gossen
Müller & Weigert with which you can carry out repeatable
measurements over a very long period of time.
The product was calibrated during the manufacturing process in
accordance with the specified operating procedures.
The TG basic 1 appliance tester, hereafter referred to as the
tester, has been developed for carrying out the following
measurements for testing the safety of electrical appliances in
accordance with DIN VDE 0701-0702 (BGV A3):
- Measuring the protective conductor resistance
- Measuring the insulation resistance
- Measuring the substitute leakage current
- Testing of IEC and extension cables
- Measuring the power socket voltage
Scope of delivery
1 qty TG basic 1 appliance tester
1 qty set of measuring accessories with safety test line, safety
crocodile clip and safety test tip
6 qty batteries of type AA (Mignon)
1 qty IEC connection cable, 0.5 m
1 qty carrying bag
1 qty operating manual
Transport and storage
Please retain the original packaging for dispatch at a later date,
e.g. for calibration.
Transport damage that occurs due to inadequate packaging is not
covered by the manufacturer’s guarantee.
The appliance tester must be stored in a dry, closed room. If the
device is transported in extreme temperatures, it requires at least
2 hours acclimatisation before being switched on.
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Operating manual for the TG basic 1 appliance tester
3. Safety instructions
The appliance tester was constructed and tested in accordance
with the applicable safety regulations and left the factory in a
faultless safety condition. In order to maintain this condition and
ensure safe operation, the user must observe the instructions and
warnings contained in this operating manual.
With all work, the applicable accident prevention
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regulations of the trade associations for electrical systems
and equipment must be observed.
To avoid electric shock, the applicable safety regulations
and DIN-VDE regulations regarding high touch voltage
must be observed without fail when working with voltages
greater than 120 V DC or 50 V AC.
Measuring at a dangerous proximity to electrical systems should
only be carried out under the instruction of a responsible
electrician, and never alone.
Check the appliance tester and the connecting cables for external
damage before every new operation.
Make sure that the appliance tester and the cable connections
are in faultless condition.
The appliance tester may not be used if one or more functions fail
or if functional readiness is not evident.
The measuring lines and the measuring accessories may
only be touched in the designated handling areas.
Touching measuring connections, e.g. test tips, must be
avoided under all circumstances.
If the safety of the operator is no longer guaranteed the
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appliance tester must be decommissioned and secured
against unwanted use. This is the case if the device:
– Shows obvious signs of damage
– No longer carries out the required measurements
– Has been stored under adverse conditions for too long
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Operating manual for the TG basic 1 appliance tester
4. Appropriate usage
The tester may only be used under the conditions and for the
purposes for which it has been designed. It is particularly
important to observe the safety instructions and the technical data
regarding ambient conditions and usage in a dry environment.
The appliance tester may not be used for measuring in electrical
systems.
Operational safety is no longer guaranteed in the case of
modifications or conversions that have not been carried out by the
manufacturer.
Maintenance or calibration work may only be carried out by the
manufacturer.
Subject the appliance tester to an electromagnetic field can
impair the function of the appliance tester.
In order to avoid damaging the appliance tester, the test socket
and the test line may not be connected to an external voltage
source.
Only the supplied original measuring lines or equivalent safety
measuring accessories may be used!
GOSSEN Müller & Weigert
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Operating manual for the TG basic 1 appliance tester
5. Operating elements
Explanation of the appliance tester’s connections, operating
elements and displays.
In-case socket for IEC appliances, for
testing connection and extension cables/
measuring the mains voltage at a
protective earth mains socket.
T est socket for connecting test
objects
„Probe“ connection socket (red) for
the test line
LC display
Briefly pressing the „START“ button:
start measuring,
press and hold for 2 s: Help function
GOSSEN Müller & Weigert
Rotary switch for selecting the type
of measurement
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Operating manual for the TG basic 1 appliance tester
6. Starting up
6.1. Initial equipping or battery replacement
The tester is operated using 6 x 1.5 V type AA batteries (IEC LR6)
or six type AA rechargeable batteries.
The six batteries supplied must be inserted into the tester before
starting the device.
Proceed as follows to insert the batteries:
- Switch off the device (rotary switch in the „OFF“ position)
- Release the screw from the battery cover
- Lift the cover from the lower part of the case
- Remove the old batteries if necessary
- Insert the batteries into the correct locations in the
battery compartment (taking care to ensure correct
polarity)
- Click the battery cover into place in the lower part of the
case and secure it by tightening the screw
6.2. Switching the tester on and off – Selecting the
measuring sequences
The tester is operated via a rotary switch and a „Start“ button.
EIN
ON
AUS
OFF
Measurements for devices with protective
conductor (PC I)
Measurements for devices without protective
conductor (PC II)
Measurements for testing the device connection
and extension cable (LPR)
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Operating manual for the TG basic 1 appliance tester
„OFF“ switch position:
Turning the rotary switch to the „OFF“ position switches off the
device.
Turn the rotary switch to the „ON“ position to switch on the tester.
The device performs a self-test. If the device is OK, the following
switch-on message appears in the display:
Note that no other functions are available until the switch-
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on message is displayed!
Selecting the menu language
To select the menu language, turn the rotary switch to the „ON“
position and press the „Start“ button.
The display shows the following menu.
The desired language is selected by briefly pressing the „Start“ button
(< 2 s). The respective number before the language designation
blinks to indicate the currently selected language. Pressing the „Start“
button for a longer time (> 2 s) confirms the currently selected
language and exits the language selection.
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