KYORITSU 3323A - Manual (Page 15)

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(2) Connect Earth probe to the earth terminal of the circuit under
test. If the circuit is not earthed, connect Earth probe to any
appropriate conductor.
(3) Connect Line probe to the circuit under test and press the Test
button or Remote control switch.
(4) Take the reading on the scale for the selected insulation
resistance range.
(5) Release the Test button or Remote control switch and leave the
probes connected to the circuit under test to discharge charges
stored in the capacitance of the circuit.
DANGER
¡Do not touch the circuit under test immediately after testing.
Charges stored in the capacitance of the circuit may cause
electrical shock.
¡Leave the probes connected to the circuit under test until the
pointer returns to the left end of the scale. Never touch the
circuit before the discharging completes.
Connect side Earth terminal
source side
Load side
Circuit breaker
CAUTION
Make sure to turn
off the circuit
breaker. Remote control switch
Press the test button or remote control switch.
Select range Test button