Difference between Smart Transmitter and Ordinary Transmitter
Key differences between ordinary transmitter and smart transmitter are Performance, Rangeability, Remote Adjustability, and Reliability....
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What is Sensor Trim and Output Trim in Smart Transmitter?
Analog electronic process transmitters typically have only two calibration adjustments: one for zero and another for span. Occasionally you may find an analog electronic transmitter with a third adjustment: one...
How to Configure a Smart Transmitter Using a HART Communicator?
The following instructions describe how to configure a 2 wire Radar smart transmitter with HART communicator using an Emerson 475 Field Communicator. The 475 Field Communicator used for this article...
How a 4-20mA Transmitter Works?
A sensor is an input device that provides a usable output in response to the input measurand. A sensor is also commonly called a sensing element, primary sensor, or primary detector....
Difference between Calibration and Ranging
The concepts of calibration (trimming) and ranging are often difficult for new engineers of instrumentation to immediately grasp. A simple analogy useful for understanding these topics is that of setting...
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...
How are HART instruments Calibrated?
The field instrumentation in process plants is beginning to come under more sophisticated metrological discipline. Most new field instruments are now smart digital instruments. One popular digital protocol is the HART...