Insulation Multimeters
Electrical Specifications
7
Electrical Specifications
AC Voltage Measurement (all 1587 models)
Range Resolution
50 Hz to 60 Hz
±(% of Rdg + Counts)
60 Hz to 5000 Hz
±(% of Rdg + Counts)
600.0 mV 0.1 mV
±(1 % + 3) ±(2 % + 3)
6.000 V 0.001 V
±(1 % + 3) ±(2 % + 3)
60.00 V 0.01 V
±(1 % + 3) ±(2 % + 3)
600.0 V 0.1 V
±(1 % + 3) ±(2 % + 3)
[1]
1000 V 1 V
±(2 % + 3) ±(2 % + 3)
[1]
[1] 1 kHz bandwidth.
AC Voltage Measurement with Low-Pass Filter (all 1587 models)
Range Resolution
50 Hz to 60 Hz
±(% of Rdg + Counts)
60 Hz to 400 Hz
±(% of Rdg + Counts)
600.0 mV 0.1 mV
±(1 % + 3)
+(2 % + 3)
-(6 % + 3)
6.000 V 0.001 V
±(1 % + 3)
+(2 % + 3)
-(6 % + 3)
60.00 V 0.01 V
±(1 % + 3)
+(2 % + 3)
-(6 % + 3)
600.0 V 0.1 V
±(1 % + 3)
+(2 % + 3)
-(6 % + 3)
1000 V 1 V
±(2 % + 3)
+(2 % + 3)
-(6 % + 3)
AC Voltage Measurement (1577)
Range Resolution
50 Hz to 60 Hz
±(% of Rdg + Counts)
600.0 mV 0.1 mV
±(2 % + 3)
6.000 V 0.001 V
±(2 % + 3)
60.00 V 0.01 V
±(2 % + 3)
600.0 V 0.1 V
±(2 % + 3)
1000 V 1 V
±(2 % + 3)
AC Conversion.................................................... Inputs are ac-coupled and calibrated to the rms value of sine wave
input. Conversions are true-rms responding and specified from 5 % to
100 % of range. Input signal crest factor can be up to 3 at up to 500 V,
decreasing linearly to crest factor ≤1.5 at 1000 V. For non-sinusoidal
waveforms add ±(2 % reading + 2 % FS) typical, for a crest factor up
to 3.
Input Impedance ................................................. 10 MΩ (nominal), <100 pF, ac-coupled
Common Mode Rejection Ratio
(1 kΩ unbalanced) .............................................. >60 dB at dc, 50 or 60 Hz
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