User's Manual

789

Calibration Manual

Specifications

All specifications apply from +18 °C to +28 °C unless stated otherwise.

All specifications assume a 5-minute warm-up period.

The standard specification interval is 1 year.

Note

“Counts” refers to the number of increments or decrements of the least

significant digit.

DC Volts Measurement

Range (V dc) Resolution Accuracy, ±(% of Reading + Counts)

4.000 0.001 V 0.1 % + 1

40.00 0.01 V 0.1 % + 1

400.0 0.1 V 0.1 % + 1

1000 1 V 0.1 % + 1

Input impedance: 10 M

(nominal), <100 pF

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

DC Millivolts Measurement

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

400.0 0.1 mV 0.1 % + 2

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 (between 50 and 60 Hz)

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