Measurement Operation (4)
3. 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.
4. 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 (200mA) 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.
14
Model UT20B: OPERATING MANUAL
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