– Use the LPF function to improve measurement
Z
LOW
– Use the Z
– Ghost voltages can be caused by capacitive
Qik-V test (U1271A only):
– Use the Qik-V function to quickly identify the
– Use this function as a reference to determine
12
on composite sine waves that are typically
generated by inverters and variable frequency
motor drives.
measurements (U1272A only):
(low input impedance) function
LOW
to detect ghost or induced voltages.
coupling between energized wiring and
adjacent unused wiring.
measured signal type.
if the measured signal is an AC or DC signal,
then select the appropriate voltage
measurement function by turning the rotary
switch to an appropriate position (AC or DC).
Keysight U1271A/U1272A Quick Start Guide
Rotate the rotary switch's position to
to enable low impedance
measurements.
Rotate the rotary switch's
position to
Qik-V function.
to enable the