Measuring 4-20 Ma Loop Current; Additional Features - Amprobe 38XR-A Mode D'emploi

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38XR-A
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Measuring 4-20 mA Loop Current

1. Set the Function Switch to the loop-current function, W.
2. Connect the Test Leads: Red to mA, Black to COM.
3. Turn off power to the circuit being measured.
4. Open the test circuit (X) to establish measurement
points.
5. Connect the Test Probes in series with the load (to the
measurement points).
6. Turn on power to the circuit being measured.
7. Read the display. 0 % = 4 mA, 100 % = 20 mA.

ADDITIONAL FEATURES

Input Test Lead Warning
The meter emits a continuous tone when a test lead is
placed in the mA or 10A input jack and the Function/
Range Switch is not set to a correct current position. (If
the meter is connected to a voltage source with leads
connected for current, very high current could result). All
current ranges are protected by fast acting fuses.
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