Megger DCM305E - AC Current Performance; AC Current Accuracy Details; Frequency Response and Crest Factor; Low Pass Filter Performance

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megger.com
AC Current
Range Resolution Accuracy
* 6 mA 0.001 mA 0A ~ 10A
±(1% reading + 8 digits)
10 ~ 50A
±(2% reading + 10 digits)
50 ~ 100A
±(10% reading + 10 digits)
60 mA 0.01 mA
600 mA 0.1 mA
6 A 0.001 A
60 A 0.01 mA
100 A 0.1 A
* Digit rolling ±3 digits.
Frequency Response (61~400 Hz) :
0A ~ 10A
±(2% reading + 11 digits)
10 ~ 50A
±(10% reading + 11 digits)
50 ~ 100A
±(35% reading + 11 digits)
Position Error: ±1% of reading.
Additional Accuracy by Crest Factor (C.F.):
Add 1.0% for C.F. 1.4 ~ 2.0.
Add 2.5% for C.F. 2.0 ~ 2.5.
Add 4.0% for C.F. 2.5 ~ 3.0.
Max. Crest Factor: 1.6 for 6000 ~ 5000 digits
2.0 for 5000 ~ 3000 digits
3.0 for 3000 ~ 0 digits
Influence of external magnetic field of adjacent wires :
0.04% typical value.
Low Pass Filter
Range Resolution Accuracy
* 6 mA 0.001 mA 0A ~ 10A
±(2% reading + 8 digits)
10 ~ 50A
±(3% reading + 10 digits)
50 ~ 100A
±(12% reading + 10 digits)
60 mA 0.01 mA
600 mA 0.1 mA
6 A 0.001 A
60 A 0.01 A
100 A 0.1 mA
* Digit rolling ±3 digits.
Attenuation characteristic: approximately –24 dB/octave
Cut-off frequency : 100 Hz