Operation Manual

MI 3309 BT DeltaGT Single test
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b) Testing of PRCD via mains socket
c) Testing of PRCD via test socket
Figure 5.36: Testing of RCD and PRCD
5.2.10.1 (P)RCD single test
In single test a fast (P)RCD test with selected test current and with one or both starting
polarities is performed.
Trip-out time measurement procedure
Measuring PRCD
 Select the RCD test function.
 Select test mode.
 Set test parameters.
 Connect tested PRCD / device to an external voltage socket. Connect the IEC cord
to the instrument’s MAINS terminal and PRCD (see Figure 5.36b).
 Depending on the type of PRCD, it may be necessary to manually switch it on.
 Press the TEST key to perform measurement.
If both starting polarities are selected:
 Reactivate tested PRCD.
 Store the result by pressing MEM key (optional).
or
 Select the PRCD test function.
 Select test mode.
 Set test parameters.
 Connect tested PRCD between test socket and IEC connector of the DeltaGT (see
Figure 5.36c), and connect instrument’s MAINS terminal to an external voltage
socket.
 Depending on the type of PRCD, it may be necessary to manually switch it on.
 Press the TEST key to perform measurement.
If both starting polarities are selected:
 Reactivate tested PRCD.
 Store the result by pressing MEM key (optional).