EN-9
6. INSULATION RESISTANCE MEASUREMENTS
a). Manual Testing Mode:
Set the selector switch to the test voltage required.
Connect the test leads, first to the instrument, and then the
isolated item under test.
Press the test button to activate the test voltage and the
reading will be displayed on the display, the internal sounder
will operate to warn of high voltage.
When the test button is released the test voltage will be
deactivated and the test result will be held automatically.
b). 3 Minutes Test Power Lock Mode:
Set the selector switch to the test voltage required.
Connect the test leads, first to the instrument, and then the
isolated item under test.
Press the Lock button to set the testing mode to 3 minute
Lock Mode and the “LOCK” symbol will be displayed on the
LCD.
Press the TEST button once to begin the 3 minute test period
and activate the test voltage. The reading will be shown on
the LCD display.
Press the TEST button again to deactivate the test voltage
before 3 minutes have elapsed and the reading will be held
automatically.
