MD9272 Leakage Clamp TRMS Meter with Power Function
Technical Specifications
20
Measurement specifications
Current and voltage
Automatic ranging within the same function.
TRMS value
Function
Range
Resolution
Accuracy
mA,
A
40 mA
0.01 mA
± 0.8 % of reading ± 3 digits
400 mA
0.1 mA
± 0.8 % of reading ± 3 digits
4 A
0.001 A
± 0.8 % of reading ± 3 digits
40 A
0.01 A
± 1 % of reading ± 3 digits
80 A
0.1 A
± 1.2 % of reading ± 3 digits
100 A
0.1 A
± 5 % of reading
V
40 V
0.01 V
± 0.5 % of reading ± 4 digits
400 V
0.1 V
± 0.5 % of reading ± 2 digits
600 V
1 V
± 0.5 % of reading ± 2 digits
THD
0 … 99.9 %
0.1 %
± 2 % of reading ± 3 digits
100
… 999 %
1 %
± 2 % of reading ± 3 digits
Note: the specifications are valid for waveforms with fundamental frequency between 45
Hz and 65 Hz and crest factor < 3.
DC voltage
V
40 V
0.01 V
± 0.5 % of reading ± 4 digits
400 V
0.1 V
± 0.5 % of reading ± 2 digits
600 V
1 V
± 0.5 % of reading ± 2 digits
Frequency
Hz
45 - 500 Hz
0.1 Hz
± 0.05 % ± 1digit
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 of Nth harmonic component
N: harmonic component
N: harmonic component 2 ÷ 9
th
Measuring range
Accuracy
UhN < 3 % URange
± 0.1 % × Urange ± 2 digits
