Major tech MT26 Manuel d'instruction - Page 11
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4.1. LOW Z AC/DC VOLTAGE MEASUREMENTS
WARNING: Observe all safety precautions when working on live
voltages. Do not connect to circuits that exceed 300V AC RMS or 300V
DC when the meter is set to Low Z.
Low Z is used to check for "ghost" voltage. Ghost
voltages are present when non-powered wires are in
close proximity to powered wires. Capacitive coupling
makes it appear that non-powered wires are
connected to a real source of voltage. The Low Z
setting places a load on the circuit, which greatly
reduces the voltage reading when connected to
ghost voltage.
1. Set the rotary function switch to the Low Z
position.
2. To select AC or DC voltage, press the MODE
button until the AC "~" or DC "
on the LCD display.
3. lnsert the black test lead into the COM input jack
and the red test lead into the V input jack.
4. Touch the test leads to the circuit under test. If
measuring DC voltage, touch the red test lead to
the positive side of the circuit and the black test
lead to the negative side of the circuit.
5. Read the voltage on the LCD display.
" symbol appears
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