Fluke Welder 787 User Manual download pdf (Page 44)

787

Users Manual

Frequency Counter Accuracy

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

199.99 Hz 0.01 Hz 0.005% + 1

1999.9 Hz 0.1 Hz 0.005% + 1

19.999 kHz 0.001 kHz 0.005% + 1

Display updates 3 times/second at >10 Hz

Frequency Counter Sensitivity

Input Range Minimum Sensitivity (rms Sinewave)

5 Hz to 5 kHz*

1 V 0.1 V

4 V 1 V

40 V 3 V

400 V 30 V

1000 V 300 V

* Usable 0.5 Hz to 20 kHz with reduced sensitivity.

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Fluke Welder 787 User Manual Page 44