
CAUTION:
Never turn the function dial whilst the button is depressed. This
may damage the instrument. Never touch the circuit under test
during insulation testing.
When testing is complete ensure that the test button is
released before the test leads are disconnected. This is
because the system may be charged up and it must be allowed
to discharge through the tester’s internal discharge resistor.
6.2.5. Continuity testing (Resistance test)
WARNING!
Ensure circuit are not live before commencing testing.
* Select the 20
Ω
range by rotating the range selector and
connect the test leads to the instrument. Short the tips of the
leads. Press and hold down the test button by twisting it a
quarter turn clockwise. The display will show the resistance
of the test leads. Adjust the
Ω
ZERO control to set the
reading of zero.
* Connect the test leads to the circuit under test. Ensure the
circuit is not live by checking that the live circuit indicator
does not lit. Read the value of resistance from the LCD.
6.2.6. AC voltage test
Set FUNCTION switch to ACV. Connect test leads to circuit
being measured. Press TEST button and read the value of
voltage from the LCD.
-10-