Megger MIT400 Series User Manual

11
7. Test lead connections
Test leads connections are as indicated in figure 2 which shows the test lead sockets at
the top of the instrument, as well as the switched probe socket and test lead.
7.1 Standard test leads
The Red/Black test lead set should be connected to the appropriate sockets on the top of the
instrument marked + and –, respectively. (see figure 2 )
Test probes and crocodile clips are supplied for connection to the circuit under test.
Fused test leads are available as an optional accessory.
7.2 SP5 Switched probe (not MIT400, MIT405, MIT480 and MIT40X)
The SP5 switch probe allows the user to start a test by pressing the [TEST] button on the
probe, instead of on the instrument. This allows for complete hands-free testing and
increases user safety.
1. Connect the SP5 probe to the instrument using the special 3-pole +ve socket (in place
of the RED test lead).
2.
Select a suitable insulation resistance range.
3.
Press and hold down the SP5 probe button. The instrument will start an insulation
resistance test.
4.
To end the test, release the probe test button.
The SP5 remote switch probe replaces the standard red test lead. The test button on the
probe duplicates the test button operation on the instrument when insulation testing.
To operate the switch probe, connect the probe to the circuit to be tested and press and
hold down the button on the probe. The insulation test will commence. Releasing the button
will terminate the test.
The test lead resistance can be nulled for continuity testing. Refer to section 11.2
Black test lead
connection
Red test lead
connection
SP5 connection
Fi
g
ure 2 Test lead connections
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Megger MIT400 Series Specifications

General

Brand	Megger
Model	MIT400 Series
Category	Test Equipment
Language	English