Insulation Multimeter
Electrical Specifications
37
DC Millivolts Measurement
Range Resolution
Accuracy all 1587 models
±(% of Rdg + Counts)
Accuracy 1577
±(% of Rdg + Counts)
600.0 mV dc 0.1 mV
±(0.1 % + 1) ±(0.2 % + 1)
DC and AC Current Measurement
Range Resolution
Accuracy all 1587 models
±(% of Rdg+Counts)
Accuracy 1577
±(% of Rdg+Counts)
Burden Voltage
(Typical)
AC
45 Hz to
1000 Hz
400 mA 0.1 mA
±(1.5 % + 2)
[1]
±(2 % + 2)
[1]
2 mV/mA
60 mA 0.01 mA
±(1.5 % + 2)
[1]
±(2 % + 2)
[1]
DC
400 mA 0.1 mA
±(0.2 % + 2) ±(1.0 % + 2)
2 mV/mA
60 mA 0.01 mA
±(0.2 % + 2) ±(1.0 % + 2)
[1] 1 kHz bandwidth.
Overload ............................................................. 600 mA for 2 minutes maximum
Fuse Protection for mA Input .............................. 0.44 mA, 1000 V, IR 10 kA
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 up to 300 mA, decreasing
linearly to crest factor ≤1.5 at 600 mA. For non-sinusoidal waveforms add
+(2 % reading + 2 % FS) typical, for a crest factor up to 3.
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