Dc Voltage Measurement - Fluke 1587 FC User Manual

1587 FC/1587/1577
Users Manual
1577 Accuracy
Range
600.0 mV
6.000 V
60.00 V
600.0 V
1000 V
AC Conversion ................................................... Inputs are ac-coupled and calibrated to the rms value of sine wave
Input Impedance ................................................. 10 MΩ (nominal), <100 pF, ac-coupled
Common Mode Rejection Ratio
(1 kΩ unbalanced) .............................................. >60 dB at dc, 50 or 60 Hz

DC Voltage Measurement

Range
6.000 V dc
60.00 V dc
600.0 V dc
1000 V dc
Accuracies apply to ± 100% of range.
[1]
Input Impedance ................................................. 10 MΩ (nominal), <100 pF
Normal Mode Rejection Ratio ............................. >60 dB @ 50 Hz or 60 Hz
Common Mode Rejection Ratio .......................... >120 dB @ dc, 50 Hz or 60 Hz (1 kΩ unbalance)
36
Resolution
0.1 mV
0.001 V
0.01 V
0.1 V
1 V
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.
Accuracy 1587 and 1587T
Resolution
±(% of Rdg + Counts)
0.001 V
0.01 V
0.1 V
1 V
50 Hz to 60 Hz
±(% of Rdg + Counts)
±(2 % + 3)
±(2 % + 3)
±(2 % + 3)
±(2 % + 3)
±(2 % + 3)
[1]
Accuracy 1577
±(% of Rdg + Counts)
±(0.09 % + 2)
±(0.09 % + 2)
±(0.09 % + 2)
±(0.09 % + 2)
[1]
±(0.2 % + 2)
±(0.2 % + 2)
±(0.2 % + 2)
±(0.2 % + 2)