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③ Use the diode test mode to check diodes, transistors and other

semiconductor device. In the diode test mode sends a current

through the semiconductor junction, and the measure the

voltage drop across the junction. A good silicon junction drop

between 0.5V and 0.8V.

④ For forward voltage drop reading on any semiconductor

component, place the red test lead on the component anode

and place the black test lead on the component cathode. The

measured value show on the display.

⑤ Reverse the test lead and measure the voltage across the diode

again.

●

If diode is good, the display shows “OL”.

●

If diode is shorted, the display shows 0 (zero) in both

direction.

●

If display shows “OL” in both direction, the diode is open.

5.3.2. Continuity Check:

① Press the “FUNC” key to enter to the continuity mode.

② The buzzer sound if the resistance of a circuit under test is less

than 100Ω.

5-4. Frequency measurement [ Only for ADM01]

① Set the rotary switch to “Hz” position.

② Insert the red test lead into the “ VΩHz” input terminal and the

black test lead into the “COM” terminal.

③ Connect the test leads across with the circuit under testing. The

measured value shown.on the LCD display.

NOTE: Input signal level must be higher than 0.5V (it is sensitivity).

5-5. DC/AC µA or mA measurement

DC Current range is 200.0µA/2000µA and 20.00mA,/200.0mA and

then 10A range.

AC Current range is 200.0µA/2000µA and 20.00mA,/200.0mA and

then 10A range.

① Turn off power to the circuit. Set the rotary switch to the

Bside ADM01 User Manual

Questions and Answers: