Μa Ac/Dc Current Measurements (Ex363 Only) - Extech Instruments EX360 User Manual

µA AC/DC Current Measurements (EX363 only)
WARNING: Do not handle the test leads above the finger/hand guard barrier.
CAUTION: Observe CAT III 1000V and CAT IV 600V with respect to Earth Ground.
1. Insert the black test lead into the COM terminal and the red test lead into the µA terminal.
2. Turn the meter's function switch to the µA position. The µA units symbol will appear on the
display indicating that micro‐amperes are being measured.
3. The meter defaults to the Manual Range mode. Auto range cannot be used in this mode.
4. The meter display will show AC or DC depending on the function switch position.
5. Current measurements must be taken in series with the circuit under test. See accompanying
diagram.
6. Touch the black test lead to the negative side of the circuit and the red test lead to the
positive side of the circuit.
7. Read the current measurement in the display represented by the numerical digits and the bar
graph. The display will indicate the proper decimal point and value. In DC, If the polarity is
reversed, the display will show (‐) minus before the value.
Fig 4‐4 µA AC/DC CURRENT MEASUREMENTS
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