User Manual

32 GMC-I Gossen-Metrawatt GmbH
V/Hz, Ω, Temperature, and A/Hz Measurements
5.1.4 Transient Overvoltages
The multimeters are protected against transient overvoltages of
up to 8 kV with wave-front durations of 1.2 ms and halftimes of
50 μs in the voltage measuring range. If longer pulse durations
are expected, for example when conducting measurements at
transformers or motors, we recommend the use of our KS30
measuring adapter. It provides protection against transient
overvoltages of up to 6 kV with wave-front durations of 10, and
halftimes of 1000 μs.
Continuous load capacity is 1200 V
RMS
. Additional influence error
caused by the KS30 measuring adapter amounts to approxi-
mately -2%.
5.1.5 Voltage Measurements at Above 1000 V
Voltages of greater than 1000 V can be measured with a
high-voltage probe, e.g. the HV3
1)
or the HV30
2)
from GMC-I
Gossen-Metrawatt GmbH. It is absolutely essential to earth the
ground terminal in this case. Observe all applicable safety precau-
tions!
1)
HV3: 3 kV
2)
HV30: 30 kV, for (DC) voltages only
COM
V
Temp
Ω
Voltage Measurements at Above 1000 V
with the HV3 High-Voltage Probe
Black
Red
Black
x1000
x100