Fluke 87 V User Manual

Page 58

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80 Series V
Users Manual

50

Table 17. Frequency Counter Sensitivity and Trigger Levels

Minimum Sensitivity (RMS Sine wave)

Input Range

1

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

μ

s.

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

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