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What is HART, Foundation Fieldbus & Profibus ?

S Bharadwaj Reddy
What is HART ? HART stands for ‘Highway Addressable Remote Transducer’ and is a standard originally developed as a communications protocol for control field devices operating on a 4-20 mA control signal....

How are HART instruments Calibrated?

S Bharadwaj Reddy
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...

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