UNI-T UT202A Dokumentacja Pobierz pdf (Strona 14)

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UT202A Operating Manual

D. Testing Diodes (see gure 6)

Warning

To avoid damages to the Meter or to the

devices under test, disconnect circuit power and

discharge all the high-voltage capacitors before

testing diodes.

To test the diode out of a circuit, connect the

Meter as follows:

1. Insert the red test lead into the

terminal and the black test lead into the

COM terminal.

2. Set the rotary switch to and press

SELECT button to select measurement

mode.

3. For forward voltage drop readings on any

semiconductor component, place the red

test lead on the component’s anode and

place the black test lead on the component’s

cathode.

Ω

VΩ

(gure 5)

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