UNI-T UT-203R Bedienungsanleitung Seite 9

Diode testing
Before doing a diode test of a circuit, first turn
off the power.
1. Set the function
selector to
2. Connect
the black
test lead to
the negative
COM input
terminal and
the red test lead
to the positive
input terminal.
3. Connect the test leads across the circuit to be
tested.
4. Read the displayed value. Press [ HOLD/
save the reading.
5. Disconnect the test leads.
Non-contact voltage testing
Note: Select between two measuring levels: EFHI
and EFLo. The clamp meter is automatically set to EFHI.
1. Set the function selector
to .
2. Select EFHI when the test
object has a voltage or
around 220 V AC 50/60 Hz.
3. Select EFLo when the test
object has a voltage of
around 110 V AC 50/60 Hz.
4. Place the non-contact
voltage sensor close to
the object you are measuring
such as a wall socket.
5. Read the displayed value. Detected voltage will
be indicated by (−), a buzzer sound and a red
light. The higher the voltage, the more (−−−−), will
be shown, the louder the buzzer will sound and
the brighter the red light will shine.
Press [ HOLD/
6. Remove the voltage sensor.
.
] if you want to save the reading.
9
Capacitance
Continuity
Diode
Resistance
Red Black
] to