User manual
GMC-I Messtechnik GmbH 3
Meanings of symbols on the instrument:
Indicates EC conformity
Continuous, doubled or reinforced insulation
Warning concerning a source of danger
(attention: observe documentation!)
CAT II Maximum allowable voltage between the test probes (1 and 8)
and earth is 600 V, category II.
This device may not be disposed of with the trash. Further
information regarding the WEEE mark can be accessed on
the Internet at www.gossenmetrawatt.com by entering the
search term ’WEEE’.
Table of Contents Page
1 Safety Precautions ...............................................................4
1.1 Defects and Excessive Stressing .......................................................... 4
2 Device Description ................................................................4
2.1 Using Device ......................................................................................4
2.2 Design Description .............................................................................. 4
3 Preparation for Device Operation .........................................5
3.1 Unpacking the Device .........................................................................5
3.2 Power Supply – Battery Replacement ................................................... 5
3.3 Checking the Mechanical Zero Point ....................................................5
3.4 Checking Device Functions .................................................................. 6
4 Operation ..............................................................................7
4.1 Voltage Measurement ......................................................................... 7
4.2
Insulation Resistance Measurement (VDE 0413, part 2 / EN 61557, part 2) ....... 8
4.3
Low-Resistance Measurement (VDE 0413, part 4 / EN 61557, part 4) ............... 9
5 Maintenance – Recalibration ..............................................10
5.1 Housing ........................................................................................... 10
5.2 Batteries ..........................................................................................10
5.2.1 Details on Power Consumption and Operating Time ............................ 10
5.3 Replacing the Fuse ........................................................................... 10
5.4 Recalibration .................................................................................... 11
5.5 Device Return and Environmentally Compatible Disposal .....................12
6 Characteristic Values ..........................................................12
7 Repair and Replacement Parts Service
Calibration Center
and Rental Instrument Service ...........................................14
8 Product Support .................................................................14
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