SEFRAM MW3105, Manual

Page: 9 / 28

9
2.3 Electrical Specifications
Accuracy is given as ±(% of r number of digits) from 18 °C to 28 °C, with relative humidity up to 70%.
Temperature coefficient: 0.1 x specified accuracy/°C (t <18 °C or t >28 °C).
DC Current - Manual ranging
Range Resolution Accuracy Overload Protection
400A 100mA

( 1.5% + 5 dgt)
1000A 1A
0-600A

( 1.5% + 5 dgt)
600-800A

( 2.5% + 5 dgt)
800-1000A

( 3.5% + 5 dgt)
1200A for 60 s maximum
Specifications given from 5% to 100% of the range. Accuracy given after having performed auto-zero of the clamp.
AC Current - Manual ranging
Range Resolution Accuracy 50-60Hz Accuracy 60-400Hz Overload
Protection
400A 100mA

( 1.5% + 5 dgt)

( 3.0% + 5 dgt)
1000A 1A
0-600A

( 1.5% + 5 dgt)
600-1000A

( 2.0% + 5 dgt)
0-600A

( 3.0% + 5 dgt)
600-1000A

( 3.5% + 5 dgt)
1200A for 60 s
maximum
Specifications given from 5% to 100% of the range.
Crest factor : 3 max. Add 1% to accuracy for crest factor between 2 and 3 . Conversion : TRUE RMS.