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Smart Transmitter Calibration Tutorial Part 1

S Bharadwaj Reddy
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

Smart Transmitter Calibration Tutorial Part 2

S Bharadwaj Reddy
Range Setting (Re-range)  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

S Bharadwaj Reddy
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

S Bharadwaj Reddy
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

S Bharadwaj Reddy
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

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