Fluke 27-II - Frequency Counter, Duty Cycle, and Input Specs

Digital Multimeters
Detailed Specifications
51
Diode
Range Resolution Accuracy
2.000 V 0.001 V ±(1.0 % + 1)
Frequency
Range Resolution Accuracy
199.99 Hz 0.01 Hz
1999.9 Hz 0.1 Hz
19.999 kHz 0.001 kHz
199.99 kHz 0.01 kHz
±(0.005 % + 1)
[1]
>200 kHz 0.1 kHz Unspecified
[1] From 0.5 Hz to 200 kHz and for pulse widths >2 μs.
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 70 mV (to 400 Hz) 70 mV (to 400 Hz) 40 mV
600 mV ac 150 mV 150 mV -
6 V 0.3 V 0.7 V 1.7 V
60 V 3 V 7 V (≤140 kHz) 4 V
600 V 30 V 70 V (≤14.0 kHz) 40 V
1000 V 100 V 200 V (≤1.4 kHz) 100 V