Megger DCM305E, User Manual

Page: 15 / 80

15 megger.com
AC Current
Range Resolution Accuracy
* 6 mA 0.001 mA 0A ~ 10A
±(1% r 8 digits)
10 ~ 50A
±(2% r 10 digits)
50 ~ 100A
±(10% r 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% r 11 digits)
10 ~ 50A
±(10% r 11 digits)
50 ~ 100A
±(35% r 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% r 8 digits)
10 ~ 50A
±(3% r 10 digits)
50 ~ 100A
±(12% r 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