Omega HHM15 User Manual page 8

LOGIC TEST
Threshold: Logic Hi (2.8 ± 0.8V)
Logic Lo (0.8 ± 0.5V)
Indication: 40 msec beep at logic low
Frequency response: 20MHz
Detectable pulse width: 25nS
Pulse limits: >30% & <70% duty
Overload protection: 500VDC or AC rms
TRANSISTOR hFE
Ranges: 0 - 1000
Base current: 10µAdc approx. (Vce=3.3Vdc)
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