U1271A/U1272A Handheld Digital Multimeter
Performing Measurements and Tests
U1271A/U1272A Quick Start Guide 9
Z
LOW
measurements (U1272A only):
• Use the Z
LOW
(low input impedance) function to detect
ghost or induced voltages.
• Ghost voltages can be caused by capacitive coupling
between energized wiring and adjacent unused wiring.
Qik-V test (U1271A only):
• Use the Qik-V function to quickly identify the measured sig-
nal type.
• Use this function as a reference to determine if the mea-
sured signal is an AC or DC signal, then select the appropri-
ate voltage measurement function by turning the rotary
switch to an appropriate position (AC or DC).
Rotate the rotary switch’s position to
to enable low impedance mea-
surements.
Rotate the rotary switch’s position to
to enable the Qik-V function.
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