Answer Posted / ajith294

Hart Communicator (Highway Adreessable Remote Traseducer)
is a communication device, which we can used for the
configuration, such as the input range (LRV, URV, Units,
Damping), if the transmitter is temperaure, we can change
the senser ( Mv / Ohms),

And trim (Lower range trim, Upper range Trim and Zero trim.
but is not a standard to use a calibrator. we must use a
high sensitive test equpments ie mA reader (Multimeter) to
read the accurate output mA

Now a days the control valve positioner also having HART
Protocol, means we can configure and put the auto
calibration of valve throgh HART Communicator.

there is no need to calibrate a HART Communicator, it is
clearly showing the user manual provided by ROSEMOUNT.

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