Operation Manual

22 GMC-I Messtechnik GmbH
1)
The measurement is independent of the position of the selector switch for the voltage ranges.
Symmetry error of the delta voltage with power factor measurement on three-phase sys-
tems is 0.5% at a maximum.
2)
The measurement is of informative character only. That is why no class accuracy is given.
The indication is independent of the position of the selector switch for the voltage ranges.
6 Maintenance
6.1 Battery and Fuse Replacement
Caution: Disconnect the meter from the measuring circuits before
you open the battery compartment. Take care that the
cover is replaced before you operate the meter again.
Battery Replacement
If, when testing the battery, the pointer no longer reaches the battery
test section " ", the corresponding battery must be replaced.
Replace the exhausted battery with a new, 9-V flat cell battery 6F22,
6LF22 or 6LR61, as described in chapter 3.2 „Installing the batteries“.
Fuse Replacement
If a fuse blows, eliminate the cause of the overload before placing the
instrument back into operation!
 Open the instrument as described under battery replacement.
 Remove the blown fuse with the help of an object, such as a test
probe, and replace it with a new F25A 500V/1.5kA fuse.
Electromagnetic Compatibility EMC
Interference Immunity and Emission EN 61326
Mechanical Design
Display Moving-coil movement
Scale length 96 mm
Protection type IP 50 per VDE 0470 Partl 1
Dimensions 110 mm x 181 mm x 62 mm
Weight approx. 0.8 kg
!