Sonel MPI-540 - Fault Loop Impedance in L-PE Circuit Protected with a Residual Current Device (RCD)

MPI-540 ● MPI-540-PV – BRIEF USER MANUAL
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Fig. 3.2 Checking effectiveness of protection against electric shock of the meter housing
in case of: TN network or TT network
Select item Z
L-PE
.
Select other settings and perform the measurement using the START button on the device.
3.2.3 Fault loop impedance in L-PE circuit protected with a residual cur-
rent device (RCD)
Connect test leads according to Fig. 3.3, Fig. 3.4 or Fig. 3.5.
Fig. 3.3
Measurement in the
TN-S system
Fig. 3.4
Measurement in the
TT system