UNI-T UT60A Operating Manual page 29

Measurement Operation (11)
4. The Meter defaults to DC current measurement
mode. To toggle between DC and AC current
measurement function, press BLUE button.
AC current is displayed as an mean value (calibrated
against sine wave effective value).
5. Break the current path to be tested. Connect the
red test lead to the more positive side of the break
and the black test lead to the more negative side of
the break.
6. Turn on power to the circuit.
The measured value shows on the display.
Note
l
For safety sake, the measuring time for high current
should be 10 seconds for each measurement and
the interval time between 2 measurements should
be greater than 15 minutes.
l
When current measurement has been completed,
disconnect the connection between the testing leads
and the circuit under test.
Model UT60A: OPERATING MANUAL
29