Dc Millivolts; Ac Volts; Ac Current; Dc Current - Fluke ProcessMeter 787 Calibration Manual

Model 787
Calibration Manual

DC Millivolts

Range (mV dc)
400.0
Input impedance: 10 M
Normal mode rejection ratio: >60 dB at 50 Hz or 60 Hz
Common mode rejection ratio: >120 dB at dc, 50 Hz, or 60 Hz
Overvoltage protection: 1000 V

AC Volts

Range (ac)
400.0 mV
4.000 V
40.00 V
400.0 V
1000 V
1.
Specifications are valid from 5 % to 100 % of amplitude range.
AC conversion: true rms
Maximum crest factor: 3
For non-sinusoidal waveforms, add (2 % reading + 2 % f.s.) typical.
Input impedance: 10 M
Common mode rejection ratio: >60 dB at dc, 50 Hz, or 60 Hz.

AC Current

Range
45 Hz to 2 kHz
1.000 A
1.
Specifications are valid from 5 % to 100 % of amplitude range.
AC conversion: true rms
Maximum crest factor: 3
For non-sinusoidal waveforms, add
Input impedance: 10 M
Common mode rejection ratio: >60 dB at dc, 50 Hz, or 60 Hz.

DC Current

Range
30.000 mA
2
1.000 A
1 Specifications are valid from 5 % to 100 % of amplitude range.
AC conversion: true rms
Maximum crest factor: 3
For non-sinusoidal waveforms, add
Input impedance: 10 M
Common mode rejection ratio: >60 dB at dc, 50 Hz, or 60 Hz.
2
400 mA continuous, 1A 30 seconds maximum. Overload protection: 440 mA, 1000V fast-blow fuse.
6
Resolution
0. 1 mV
(nominal), < 100 pF
Resolution
0.1 mV
0.001 V
0.01 V
0.1 V
1 V
(nominal), < 100 pF, ac-coupled.
Resolution
0.001 A
(2 % reading + 2 % f.s.) typical.
(nominal), < 100 pF, ac-coupled.
Resolution Accuracy
0.001 mA
0.001 A
(2 % reading + 2 % f.s.) typical.
(nominal), < 100 pF, ac-coupled.
Accuracy (% of Reading + Counts)
1
Accuracy ( % of Reading + Counts)
50 Hz to 60 Hz 45 Hz to 200 Hz
0.7 % + 4
0.7 % + 2
0.7 % + 2
0.7 % + 2
0.7 % + 2
Accuracy
(% of Reading + Counts)
1% + 2
1
(% of Reading + Counts)
0.05 % + 2
0.2 % + 2
0.1 % + 1
200 Hz to 500 Hz
1.2 % + 4 7.0 % + 4
1.2 % + 4 7.0 % + 4
1.2 % + 4 7.0 % + 4
1.2 % + 4 7.0 % + 4
1.2 % + 4 7.0 % + 4
1
Typical Burden
Voltage
1.5 V/A
Typical Burden Voltage
14 mV/mA
1.5 V/A