Smart Transmitter Calibration Tutorial Part 1
Calibration can be carried out using a handheld communicator in the field, a laptop on the bench in the workshop, or from intelligent device management (IDM) software as part of...
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Smart Transmitter Calibration Tutorial Part 2
Range Setting (Re-range)Â Range setting (re-ranging) refers to setting the scale for the 4 mA and 20 mA points. This scale is usually referred to as “calibrated range” or “calibration...
Smart Transmitter Calibration Tutorial Part 3
Transmitter Output Current Trim (Analog Trim) It is rare for the analog output current circuitry of a 4-20 mA transmitter to drift. However, should the analog output current be incorrect,...
Instrumentation Engineer’s Calibration Mistakes
Instrumentation Engineer’s Calibration Mistakes Error When Attempting to Reverse the Range In some applications, particularly DP level, it is necessary to reverse the range such that the LRV > URV....
Important Terms in Calibration
The term “calibration” in the context of smart/intelligent transmitters is often misunderstood. The information provided here serves to explain the difference between sensor trim, range setting, and current trim. Plants...