Fluke 789 - Page 31

ProcessMeter
Specifications
27
AC Volts Measurement
Accuracy, ±(% of Reading + Counts)
Range (ac) Resolution
50 Hz to 60 Hz 45 Hz to 200 Hz 200 Hz to 500 Hz
400.0 mV 0.1 mV 0.7 % + 4 1.2 % + 4 7.0 % + 4
4.000 V 0.001 V 0.7 % + 2 1.2 % + 4 7.0 % + 4
40.00 V 0.01 V 0.7 % + 2 1.2 % + 4 7.0 % + 4
400.0 V 0.1 V 0.7 % + 2 1.2 % + 4 7.0 % + 4
1000 V 1 V 0.7 % + 2 1.2 % + 4 7.0 % + 4
Specifications are valid from 5 % to 100 % of amplitude range.
AC conversion: true rms
Maximum crest factor: 3 (between 50 and 60 Hz)
For non-sinusoidal waveforms, add
± (2 % reading + 2 % f.s.) typical
Input impedance: 10 M
Ω (nominal), < 100 pF, ac-coupled
Common mode rejection ratio: > 60 dB at dc, 50 Hz, or 60 Hz
AC Current Measurement
Range
45 Hz to 2 kHz
Resolution Accuracy, ±(% of Reading + Counts)
Typical Burden
Voltage
1.000 A (Note) 0.001 A 1 % + 2 1.5 V/A
Note: 440 mA continuous, 1 A 30 seconds maximum
Specifications are valid from 5 % to 100 % of amplitude range.
AC conversion: true rms
Maximum crest factor: 3 (between 50 and 60 Hz)
For non-sinusoidal waveforms, add
± ( 2 % reading + 2 % f.s.) typical
Overload protection 440 mA, 1000 V fast-blow fuse