.4 Press the Function key <-> to select the “2Hi” mode. The RCD will not trip, so there is no need to use the 3Lo and
2Lo modes.
.5 Press TEST to start the test sequence. This can be automated in SETUP so the test starts when contacting the circuit.
See section 10 – Setup.
.6 On completion of the test, the display will show the loop resistance on the large display segments, and the fault
current on the small display segments.
Reverse Polarity warning:
The 3rd test lead can be connected to Neutral (L3) but is not used in the ‘2Hi’ Phase-Earth measurement.
However the MFT will show a Phase-Neutral reversed connection if present.
A warning is displayed if there are any disturbances to the circuit under test during the test sequence. The display will show the
symbol. The loop impedance reading may have been compromised by the circuit interference. Repeat the test.
7.2.2 Zs and Zdb loop measurements without RCD - eg Zs, Zdb etc.
.1 Set the LEFT rotary range knob to the
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