Operation Manual

MI 3309 DeltaPAT Single test
47
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 DeltaPAT
(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).
Measuring RCD
 Select the RCD test function.
 Select test mode.
 Set test parameters.
 Connect the DeltaPAT MAINS terminal to mains socket protected by tested RCD
(see figure 5.36a).
 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 RCD.
 Store the result by pressing MEM key (optional).
Figure 5.37: Examples of (P)RCD single test results
Displayed results:
Main result(s) ......... trip out time(s) at selected starting polarity
U ............................ voltage U
L-PE
5.2.10.2 Automatic (P)RCD test
(P)RCD autotest function is intended to perform a complete (P)RCD analysis (trip-out
times at different residual currents and starting polarity phases) .
(P)RCD autotest procedure
(P)RCD Autotest steps Notes
 Select the RCD (PRCD) test function.
 Set AUTO mode.
 Select test parameters.
 PRCD: Connect tested PRCD / device to an external