Ac Current Measurement - Amprobe ACDC-400 Manual De Instrucciones

4.3.3. AC Current measurement

• Make sure that all the test leads are disconnected from the meter's
terminals for current measurement.
• When measuring current, any strong current near the clamp jaws will
affect the accuracy.
• The instrument is not available for non-sine wave AC signal.
~A
1. Select " " position.
2. Open the clamp and put the tested conductor in the center of the clamp jaw
(see paragraph 4.1.2), refer to Fig. 6.
3. The current measured will be displayed with automatic detection of the
appropriate range.
4. Press R-H key you can select manually the measurement ranges in cyclic order.
Press R-H key 2 seconds to return to the AUTOMATIC range selection.
O.L
5. The " " symbol means that the measured quantity is higher than the selected
range. Press RANGE key to select a higher range.
6. If reading the display is difficult, press D-H key to hold the obtained
value. To exit from this function press D-H key again.
Because of the clamps internal filter the meter takes a few seconds to reach
the 0 value on the display. This is not a defect, indeed the user can proceed
with a test as the temporary displayed value will not be added to the
measured value.
Correct
Fig. 6: Use of clamp during AC current measurement
WARNING
Incorrect
WARNING
EN - 12
ACDC-400