Amprobe DM-II-PLUS Power-Quality-Recorder Manual de usuario Pagina 22

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20
Voltage Measurement (Auto ranging)
Range Accuracy Resolution Input Impedance
15 – 310V
±(0.5%+2digit)
0.2V 300k(phase-neutral)
600k (phase-phase)
310 – 600V 0.4V
Voltage Anomalies Detection (Manual Selection of Range)
Voltage
Range Accuracy Resolution Input Impedance
15 – 310V
±(0.5%+2digit)
0.2V 300k (phase-neutral)
600k (phase-phase)
310 – 600 0.4V
Time
Accuracy (ref. to 60Hz) Resolution
±8.33ms (½ period of fundamental) 8.33ms (½ period of fundamental)
Current measurement (DM-II Plus only)
Range Accuracy Resolution Input Impedance
Protection against
overloads
0.005-0.26V
±(0.5%+2digit)
0.0001V
100k 5V
0.26-1V 0.0004V
Current measurement (Using DM-CT-HTA)
Range Accuracy Resolution Protection against overloads
5 to 1000 A ±(1.5% of range) 0.1 A 600 V
Minimal Current measurable is equal to 1.5% of Clamp Full Scale
Current measurement (Using ACF-3000 SR)
Range Accuracy Resolution Protection against overloads
15 to 3000 A ±(1.5% of range) 0.1 A 600 V
Minimal Current measurable is equal to 1.5% of Clamp Full Scale
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