LEM ISO plus Manuel D'utilisation page 30

Technical Data
F - Frequency Measurement (at V>0.5V)
Measuring
Resolution
range
200Hz 0.1Hz
1kHz 1Hz
Method: Evaluation of zero crossings in signal
Temperature coefficient < 50ppm, sensitivity > 10% of
voltage and current range end value
mA – RMS Current Measurement
Direct current measurement with the following ranges:
Measuring range Resolution
20...199.9 µA 100 nA
0,2...1,999 mA 1 µA
2...19.99 mA 10 µA
20...199.9 mA 100 µA
Specifications valid for AC RMS >5% of range
Displayed values for current measurements: AC
Frequency range: 15Hz...1kHz
Auto range setting time: 2s
Max. overload: 630 mA (Fuse –protection)
Current compensation (ZERO) possible.
Direct current measurement (1:1) or measurement through external current
transformer with current or voltage output (transducer input) possible.
Selectable transformer ratios: 1:1, 1:10, 1:100, 1:500, 1:1000.
Intrinsic error
±(0.2% of rdg +3D)
Intrinsic error
±(3% of rdg+5digit)
±(3% of rdg+5digit)
±(3% of rdg+5digit)
±(3% of rdg+5digit)
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