Insulation testing [M
Ω
]
Range switch set to [250 V, 500 V or 1 kV] range
Test Lead Options 1 or 2
For insulation voltage range select 250 V, 500 V or 1 kV as
required.
Press the YELLOW test button on the instrument or on the
switched probe to activate the test.
Insulation Test lock
Press the YELLOW test and RED lock buttons together to lock on
the insulation test mode.
The warning triangle is displayed during test lock.
To disable test lock press the YELLOW test button again.
Warning:
Hazardous voltages may be continuously present on the test
probes when the test button is locked down.
Non tripping loop test [NO TRIP]
Range switch set to the [NO TRIP]
Test Lead Options 1, 2 or 3
NOTE:
A 3-Wire connection must be used.
Select when loop testing circuits with RCD protection fitted.
1) Firmly connect the GREEN lead to EARTH, the BLACK lead to
NEUTRAL and the RED lead to PHASE. (Alternatively insert
the plug into an installation socket) (OPTION 3).
2) Supply voltage and polarity are displayed.
3) The test will ‘beep’ and automatically start when a voltage is
detected.
4) Measured L-PE loop value is displayed.
The test can be repeated by pressing the YELLOW test button.
Warning:
Live voltages present on test circuits during tests.
OPTION 1
2 wire
measurement
OPTION 2
Switched
Probe
OPTION 3
Mains plug
test lead
BLACK
GREEN
GREEN
RED
PROBE
