Operation Manual

MI 3309 BT DeltaGT Single test
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Figure 5.23: Example of substitute leakage - P current measurement results
Displayed results:
Main result…………..Substitute leakage current (LN – P)
Notes:
 Consider any displayed warning before starting measurement!
 The currents flowing through the PE terminal or PE of the test socket will not be
considered.
5.2.7 Polarity test
This test checks the polarity of supply cords. The following faults can be detected:
L OPEN, N OPEN, PE OPEN, L-N CROSS, L-N SHORT, L-PE SHORT, N-PE SHORT
and MULTIPLE FAULT.
Figure 5.24: Polarity test menu
Test circuit for polarity test
Figure 5.25: Polarity test of IEC cord
Polarity test procedure
 Select the POLARITY function.
 Connect the IEC cord to the instrument as shown on Figure 5.25.
 Press the TEST key for measurement.
 Store the result by pressing MEM key (optional).