MD 9273 Leakage Clamp
Technical Specifications
25
Current Harmonics
N: harmonic component 2 ÷ 9
th
Measuring range
Accuracy
IhN < 10 % IRange
± 0.15 % × Irange ± 3 digits
10 % IRange < IhN < 100 % IRange
± 1.5 % × IhN ± 3 digits
N: harmonic component 10 ÷ 19
th
Measuring range
Accuracy
IhN < 10 % IRange
± 0.3 % × Irange ± 3 digits
10 % IRange < IhN < 100 % IRange
± 3 % × IhN
± 3 digits
IRange: Nominal clamp current (RMS)
IhN:
measured current magnitude of N
th
harmonic component
N:
harmonic component
Note: current harmonics are measured at voltages higher than 10% of the range or 0.3 A, whichever is higher.
Note: if Irange is in the 100 A current range, the accuracy of the current harmonics is indicative.
Voltage Harmonics
N: harmonic component 2 ÷ 9
th
Measuring range
:
Accuracy
:
UhN < 3 % URange
± 0.1 % × Urange ± 2 digits
3 % URange < UhN < 20 % URange
± 1 % × UhN ± 2 digits
N: harmonic component 10 ÷ 19
th
Measuring range
:
Accuracy
:
UhN < 3 % URange
± 0.2 % × Urange ± 2 digits
3 % URange < UhN < 20 % URange
± 2 % × UhN ± 2 digits
URange:
Voltage range (RMS)
UhN: measured voltage of Nth harmonic component
N:
harmonic component
Crest Factor
Function
Range
Resolution
Accuracy
mA, A, V
1.00 ... 2.99
0.01
± 2 % of reading ± 2 digits
3.00 … 9.99
0.01
± 3 % of reading ± 5 digits
NOTE: minimum input signal amplitude is 2 V or 10 mA.
