UNI-T UT90B Especificaciones descargar pdf (Pagina 15)

Model UT90B: OPERATING MANUAL

15

Note

z To measure online capacity, please turn off

power of the circuit and discharge all

capacitors.

z Open-circuit voltage of continuity

measurement is about 3V.

z When continuity testing has been

completed, disconnect the connection

between the testing leads and the circuit

under test.

F. Built-in Power Deficiency Charge (see

figure 8)

Warning

To avoid damage to the Meter, please do not

attempt changeover the rotary range during

charge.

The ways of charge as follows:

1. 220 V

Power charge.

Insert the red test lead into the VΩ

terminal and the black test lead into the

COM terminal, set the rotary range to 230

V

MAX position, then insert the test

leads into the 220 V

Power plug to start

the charge.

2. 9-12

low voltage power charge.

Insert the red test lead into the VΩ

terminal and the black test lead into the

COM terminal, set the rotary range to 9-

12

position, then insert the test leads

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