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UT202A Operating Manual
D. Testing Diodes
(see figure 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
(figure 5)
Summary of Contents for UT202A
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