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80 Series V

Users Manual

Table 17. Frequency Counter Sensitivity and Trigger Levels

Minimum Sensitivity (RMS Sine wave)

Input Range

5 Hz - 20 kHz 0.5 Hz - 200 kHz

Approximate Trigger Level

(DC Voltage Function)

600 mV dc

600 mV ac

6 V

60 V

600 V

1000 V

70 mV (to 400 Hz)

150 mV

0.3 V

3 V

30 V

100 V

70 mV (to 400 Hz)

150 mV

0.7 V

7 V (≤140 kHz)

70 V (≤14.0 kHz)

200 V (≤1.4 kHz)

40 mV

⎯

1.7 V

4 V

40 V

100 V

Duty Cycle Range Accuracy

0.0 to 99.9 % Within ± (0.2% per kHz + 0.1 %) for rise times < 1 μs.

1. Maximum input for specified accuracy = 10X Range or 1000 V.

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