Fluke 787 Manual de usuario descargar pdf (Pagina 46)

787

Users Manual

DC Millivolts Measurement

Range (mV dc) Resolution Accuracy (% of Reading + Counts)

400.0 0.1 mV 0.1 % + 1

AC Volts Measurement

Range (ac) Resolution

Accuracy, ±(% of Reading + Counts)

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

For non-sinusoidal waveforms, add

(2 % reading + 2 % f.s.) typical

Input impedance: 10 M

(nominal), < 100 pF, ac-coupled

Common mode rejection ratio: >60 dB at dc, 50 Hz, or 60 Hz

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Fluke 787 Manual de usuario Pagina 46