Operating Instructions - UNI-T UT256A Operating Manual

UT256A User Manual
VIII. Operating Instructions
1. AC Current/Frequency Measurement (Picture 3)
1) Turn the function switch to the
SELECT button to switch to AC current/frequency
measurement.
2) Clamp one current-carrying wire and keep it at the bottom
of the U-type open jaw fork.
3) Read the measured value on the display (frequency
response: 50Hz~60Hz).
Picture 3
Caution:
Disconnect the test leads when measuring current to avoid
electric shock.
Do not place any part of your body beyond the hand guard
of the meter when measuring current.
The maximum measuring current cannot exceed AC 200A.
11
position, and use the
UT256A User Manual
2. AC Voltage/Frequency Measurement (Picture 4)
1) Turn the function switch to the
SELECT button to switch to AC voltage/frequency
measurement.
2) Insert the red test lead into the signal input jack, black
into the COM input jack, and make the probes in contact
with both ends of the measured object (part).
3) Read the measured value on the display.
Red
Picture 4
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position, and use the
Black