Ac Current Measurement - UNI-T UT50A Operating Manual

Measurement Operation(5)
2.
Insert the red test lead into the AmA (The Model
UT50B/UT50C) or 20A terminal and the black test
lead into the COM terminal.
3. Set the rotary switch to an appropriate measurement
position in A
4. 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.
5. Turn on power to the circuit. The measured value
shows on the display.
Note
l If the value of current to be measured is unknown,
use the maximum measurement position (20A) and
20A terminal, and reduce the range step by step until
a satisfactory reading is obtained.
l When current measurement has been completed,
disconnect the connection between the testing leads
and the circuit under test.
D. AC Current Measurement
Model UT50A/B/C: OPERATING MANUAL
range.
(see figure 6)
( figure 6)
17
black red