UNI-T UT90A Especificações descarregar pdf (Página 24)

To test for continuity, connect the Meter as below:

1. Insert the red test lead into the VΩ terminal and

the black test lead into the COM terminal.

2. Set the rotary switch to .

3. Connect the test leads across with the object being

measured.

The buzzer does not sound when the resistance

value is >100Ω. The circuit is disconnected.

The buzzer sounds continuously when the resistance

value is 10Ω. The circuit is in good condition.

Note

l The LCD displays 1 indicating the circuit being tested

is open.

l Open-circuit voltage is approx. 3V.

l When continuity testing has been completed,

disconnect the connection between the testing leads

and the circuit under test.

G.Battery Test (see figure 8)

Measurement Operation(11)

( figure 8)

black red

Model UT90A: OPERATING MANUAL

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UNI-T UT90A Especificações Página 24