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2271A
Operators Manual
66
mA/VDC
The EMM provides measurement for purpose of dc mA, dc V, and dc mA with
24 V loop power (for transmitting and measurement/HART).
Enable mA/VDC Function
1. Push the mA/VDC softkey to go into electrical measurement mode.
2. Choose the measurement mode as requirement.
Push to change mode for VDC or mA. In mA measurement mode, push
to enable/disable 24V loop power for transmitter.
VDC measurement
In VDC measurement mode, the Product measures the input dc voltage from 0 V
to 30 V.
1. Push (mA/VDC) to go into VDC measurement mode.
2. Connect the test leads with the EMM input terminals
The V dc measurement value shows in the MEASURE field of display.
Note
Using this mode will turn off 24 V Loop power.
mA Measurement
In the “mA measurement without 24V” mode, it measures dc current only.
1. Push (mA/VDC), to go into mA dc current measurement mode.
2. Connect the test leads with EMM input terminals; be aware of the
positive/negative direction.
3. Push “Toggle 24V LOOP OFF” On or off. The loop power is off by
default to protect the UUT.
4. The dc current measurement value shows in the MEASURE field of the
display.
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