Megger MIT481/2 - Input Terminal Connections; 2-Terminal Test Lead Connection; 2-Terminal Connection with Guard

www.megger.comMIT400/2
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7. Input terminals
Test leads connections are as indicated in below, which shows the test lead sockets at the top of the instrument, as well as the
switched probe socket and test lead.
7.1 2 terminal test lead connection
Terminal layout - 2 terminal instruments:
- Figure 1
2 terminal connection examples:
CAT III 600 V
G
g
- Figure 2
For two terminal instruments (Fig 1), the Red and Black test lead set should be connected to the appropriate sockets on the top of the
instrument marked + and –, respectively. (see figure 1 ).
The RED terminal accepts the standard RED test lead or the Switch Probe lead where supplied.
7.2 2-terminal + Guard (MIT2500)
The MIT2500 is fitted with a GUARD terminal. The GUARD terminal is used to conduct leakage currents away from the measured
circuit to reduce errors.
The GUARD terminal is ONLY used for insulation testing. Refer to Section 9
Terminal layout - 2 Terminal instrument + GUARD:
- Figure 3
For instruments with connection (figure 3) above, the Red / Black test lead set should be connected to the appropriate sockets on the
top of the instrument marked + and –, respectively. (see figure 3 ).