Amprobe AM-105 TRMS Panduan Pengguna - Halaman 7

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Diode test,

Capacitance functions

Defaults at Ω. 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).

Defaults at Ω. Press SELECT button momentarily 3 times to select

Capacitance

function. Relative zero

mode can be used to zero out the parasitic capacitance of

the leads and the internal protection circuitry of the meter when measuring low

capacitance in the order of Pico Farad (pF).

CAUTION

Discharge capacitors before making any measurement. Large value capacitors should

be discharged through an appropriate resistance load