UNI-T UT33A Spécifications télécharger pdf (Page 23)

Measurement Operation (10)

(figure 6)

Model UT33A: OPERATING MANUAL

F. Diode and Continuity Test (see figure 6)

Testing Diodes

Warning

To avoid damages to the Meter or to the

devices under test, disconnect circuit power

and discharge all the high-voltage capacitors

before diodes.

Use the diode test to check diodes, transistors,

and other semiconductor devices. The diode test

sends a current through the semiconductor junction,

and then measures the voltage drop across the junction.

A good silicon junction drops between 0.5V and 0.8V.

black red

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UNI-T UT33A Spécifications Page 23