787

Users Manual

Frequency Counter Accuracy

Range

Resolution

 

 

199.99 Hz

0.01 Hz

 

 

1999.9 Hz

0.1 Hz

 

 

19.999 kHz

0.001 kHz

 

 

Display updates 3 times/second at >10 Hz

Accuracy, ±(% of Reading + Counts)

0.005% + 1

0.005% + 1

0.005% + 1

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 787 user manual Frequency Counter Accuracy, Frequency Counter Sensitivity