UNI-T UT528, Руководство по эксплуатации

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see if the appliance is in the on position.
If it detects that the appliance switch is in the “OFF” position it will wait and
display a flashing symbol.
If you are sure that the appliance is switched on press the button again
to start the test.
Please note: most electronic appliances will have electronic ‘on/off’ switches
and even though they are switched on the flashing will still appear.
If the measured resistance is greater than 2M Ω , the meter will display “ √
Riso” as a PASS rating.
If the insulation of the appliance is less than 2M
Ω , it will display “× Riso” as a
FAIL rating.