Making Measurements 2
U1253B User’s and Service Guide 33
Measuring Current
μA and mA measurement
1 Set the rotary switch to or .
2 Press if necessary to ensure is shown on the
display.
3 Connect the red and black test leads to input terminals
μA.mA (red) and COM (black) respectively (refer to
Figure 2- 3 on page 34).
4 Probe the test points in series with the circuit, and read
the display.
5 Press to display dual measurements. See “Selecting
display with the Dual button” on page 19 for a list of
dual measurements available. Press and hold for
more than 1 second to exit dual display mode.
• for μA measurement, set the rotary switch to , and connect
the positive test lead to μA.mA.
• for mA measurement, set the rotary switch to , and
connect the positive test lead to μA.mA.
• for A (ampere) measurement, set the rotary switch to ,
and connect the positive test lead to A.
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