Operation guide
ted to negative of the signal being measured. During AC
voltage measurement, press Hz% key to shift display between
frequency and duty ration of measured voltage. Long press
FUNC key to start VFD measurement function.
4.6. Low-impedance measurement
Turn rotary switch to LowZ, press FUNC key to shift between
AC and DC voltage measurement modes, and connect pens
to the signal being measured.
Note: In low-impedance measurement mode, the longest
measurement time shall not be larger than 1 min.
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