Model 88 V
Users Manual
72
Table 18. Frequency Counter Sensitivity and Trigger Levels
Minimum Sensitivity
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
1.
Maximum input for specified accuracy = 10X range or 1000 V.
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