Fluke 87V Getting Started Guide - Page 26

Table 14. Frequency Counter Sensitivity and Trigger Levels, Minimum Sensitivity RMS Sine wave

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80 Series V Getting Started Manual Input Range1 600 mV dc 600 mV ac 6 V 60 V 600 V 1000 V Table 14. Frequency Counter Sensitivity and Trigger Levels Minimum Sensitivity (RMS Sine wave) Approximate Trigger Level 5 Hz - 20 kHz 0.5 Hz - 200 kHz (DC Voltage Function) 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. 20

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80 Series V
Getting Started Manual
20
Table 14. Frequency Counter Sensitivity and Trigger Levels
Minimum Sensitivity (RMS Sine wave)
Approximate Trigger Level
Input Range
1
5 Hz - 20 kHz
0.5 Hz - 200 kHz
(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.