User Manual

25 26
3. Measurement by Flexible Current Probe (Picture 6)
AC Current Measurement
Current Frequency Measurement
Picture 6
UT205E/UT206B/UT207B/UT208B User Manual UT205E/UT206B/UT207B/UT208B User Manual
1) Turn the function dial to the or position.
2) Insert the flexible current probe into the and COM jacks.
3) The meter will automatically switch to the flexible current probe with the
extended current range, displayed on LCD.
1) After connecting the flexible current probe, short press the Hz/INRUSH button
to enter the frequency measurement mode.
2) Short press the Hz/INRUSH button again to exit frequency measurement mode.
Inrush Current Measurement
1) After connecting the flexible current probe, short press the RANGE button to
select the proper range.
2) Long press the Hz/INRUSH button to enter the inrush current measurement
mode.
3) Start the appliance under test and measure the instantaneous inrush current
of the appliance.
4) Long press the Hz/INRUSH button again to exit the inrush current measurement
mode.
Inrush current is the highest AC current (true RMS) within 100ms of start time,
as shown below.