GMC-I Gossen-Metrawatt GmbH
69
GB
3)
Except for sinusoidal waveshape
Influence
Variable
Influence Range
Measured Quantity
Influence Effect
3)
Measured
Quantity
Waveform
Crest
factor
CF
1 ... 3
V
, A
±
1 % rdg.
> 3 ...
5
±
3 % rdg.
Influence
Variable
Influence Range
Measured Quantity
Influence Effect
Relative
Humidity
75%
3 days
device off
V, A
, Ω
F, Hz
°
C
1 x inherent deviation
Influence
Variable
Influence Range
Measuring
Range
Damping
±
dB
Common
Mode
Interference
Voltage
Interference quantity max. 600 V
V
> 90 dB
Interference quantity max. 600 V
50 Hz, 60 Hz sine
300 mV
...
30 V
> 80 dB
300 V
> 70 dB
600 V
> 60 dB
Series-Mode
Interference
Voltage
Interference quantity V
,
resp. measuring range nominal value,
max. 600 V
, 50 Hz, 60 Hz sine
V
> 60 dB
Interference quantity max. 600 V
V
> 60 dB
1
2
3
4
5
CF
0
10000
30000
20000
Voltage and current measurement
The allowable crest factor CF for the periodic quantity to be measured is
dependent upon the displayed value:
Digit