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Frequency Counter
Ranges
Resolution
Input Protection
100Hz; 1, 10,
.01Hz in 100Hz range
600V DC or 600 V RMS AC
100 kHz; 1MHz
Accuracy
Sensitivity
± (0.1% + 4 digits)
40mV rms for 1Hz~20kHz,
400mV rms for 20kHz~1MHz
Adapter Range
Display
Accuracy
Input Protection
± (0.1% + 2 digits)
10 counts/1mV, DC
600V DC or 600 V RMS AC
20