UNI-T UT90A Specifications download pdf (Page 8)

Model UT90A: OPERATING MANUAL

8

Impeda

nce

change

over

button

AC/DC

voltage

range

It is used to inspect

the resistance of

supply power under

250V

MAX.(??????)

Any

rotary

switch

position

Turn the power of the

Meter on or off.

Measurement Operation

A. AC/DC Voltage Measurement (see figure

3)

Warning

To avoid harms to you or damages to the

Meter from electric shock, please do not

attempt to measure voltages higher than

1000V DC/750V AC although readings may be

obtained.

Impedance Changeover Button turn on time

should=3 seconds. To avoid damages to the

Meter, please do not use the Impedance

Changeover Button when the measured

voltage is higher than 250V.

The DC voltage ranges are: 200.0mV, 2.000V,

20.00V, 200.0V, 1000V; The AC voltage ranges

are: 2.000V, 20.00V, 200.0V, 750.0V. To measure

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