User Manual

GMC-I Messtechnik GmbH 27
Influencing Quantities and Effects
Auxiliary voltage influence:
(without display ) – all ranges except cap.: ±8 D
cap. range: ±20 D
Influencing
Variable
Range of Influence
Measured Quantity/
Measuring Range
Influence Effect
Temperature
0 °C ... +21 °C
and
+25 °C ... +50 °C
V , V
1 x intrinsic error/K
mA/A , mA/A
Ω
F
Hz
Duty (%)
°C
Influence
Variable
Range of Influence
(max. resolution)
Frequency
Intrinsic Error at Ref.
± (... % of rdg + ... D)
Frequency V
AC
4, 40, 400 V
20 Hz ... < 50 Hz
> 50 Hz ... 1 kHz
2 + 3
400 mV, 600 V
20 Hz ... < 50 Hz
> 50 Hz ... 500 Hz
2 + 3
Influence
Variable
Range of Influence
Measured Quantity/
Measuring Range
Influence Effect
Relative
Humidtiy
55 ... 75 %
V AC / DC
mA / A AC / DC
Ω
F
Hz(%)
°C
1 x intrinsic error
Influencing
Variable
Interference Quantity
Measuring
Range
Attenuation
Common Mode
Interference
Voltage
1000 V DC/AC 50 Hz sine all V DC > 100 dB
1000 V DC all V AC > 100 dB
1000 V AC 50 Hz sine
400 mV/4 V AC > 55 dB
40 V AC > 55 dB
400 V AC > 43 dB
600 V AC > 23 dB
Series Mode
Interference
Voltage
max. 1000 V AC 50/60 Hz sine V DC > 43 dB
max. 1000 V DC V AC > 55 dB