VOLTCRAFT VC950 - Alternating Voltage Measurement Accuracy; Current Measurement Accuracy

Alternating voltage
Range Accuracy
100,000 mV ±(1%+50)at40Hz~65Hz[1]
1000,00 mV
±(1,95%+50)at66Hz~1kHz[1]
±(3,9%+50)at1.01kHz~3kHz[2]
10,0000 V ±(1,3%+50)at40Hz~45Hz[1]
100,000 V ±(0,52%+50)at46Hz~65Hz[1]
1000,00 V ±(1,3%+50)at66Hz~1kHz[1]
10,0000 V ±(2,6%+50)at1,01kHz~10kHz[1]
100,000 V
±(3,9%+50)at10,01kHz~20kHz[2]
±(6,5%+50)at20,01kHz~50kHz[3]
±(13%+50)at50,01kHz~100kHz[3][4]
[1]Under5%ofmeasuringrange:+70counts
[2]Under5%ofmeasuringrange:+150counts
[3]Under5%ofmeasuringrange:+350counts
[4]At100.000Vtheaccuracyis±(15%+50)
Crest factor >2.5 - 3.0: +4.0% Type of measurement: True RMS,
AC-coupled, calibrated to the sine waveform. For non-sinussoidal
measuring signals the following measuring errors must be added:
Crestfactor1.4-2.0:+1.0%
Crestfactor>2.0-2.5:+2.5%
AC+DCmeasurementaccuracy:+1.0%
dB/dBm: ± 60 dBm
Direct current
Range Accuracy
10.0000 mA
±(0.13%+40)
100.000 mA
10.0000 A ±(0.13%+80)
Alternating current
Range Accuracy
10.0000 mA ±(0.91%+80)at40Hz~65Hz
100.000 mA
±(2.6%+80)at66Hz~1KHz
10.0000 A
Under5%ofmeasuringrange:+70Counts
Under 45 Hz the display can move <50 counts
Type of measurement: True RMS, AC-coupled, calibrated to sinu
-
soidal waveform. The deviation in non-sine shaped measurement
signals corresponds to the AC voltage.
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