Pressure Calibrator
Transmitter Calibration
29
Transmitter Calibration
mA Input Function
The mA input function reads back the 4 mA to 20 mA
output from the device being calibrated. This can be done
in one of two ways:
1. Passively – Where the device under test directly
regulates or generates 4 mA to 20 mA and can be
read by the Product.
hix047.eps
2. Actively – Where the Product supplies 24 V dc loop
power to the device under test to power the device
while reading the resulting 4 mA to 20 mA signal.
hix048.eps
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