Electrical Installation Tester
Making Measurements
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3. Before making a continuity test, short the ends of the
probes together and press Z. The tester measures
probe resistance, stores the reading in memory, and
subtracts it from readings. The resistance value is
saved even when power is turned off so you don’t
need to repeat the operation every time you use the
instrument.
4. Press and hold T until the reading settles and the
tester beeps. If a circuit is live, the test is inhibited and
the AC voltage appears in the secondary (lower)
display.
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