Amprobe ACD-6 Pro User Manual - Page 7
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6
Diode test function
Inputs are made through the test leads terminals. Place slide-switch to # position.
Press SELECT button momentarily 2 times to select
Diode test function. Normal
forward voltage drop (forward biased) for a good silicon diode is between 0.400V to
0.900V. A reading higher than that indicates a leaky diode (defective). A zero reading
indicates a shorted diode (defective). An OL indicates an open diode (defective).
Reverse the test leads connections (reverse biased) across the diode. The digital
display shows OL if the diode is good. Any other readings indicate the diode is resistive
or shorted (defective).