Answer / rajkumar

functional calibration is nothing but online calibration
ie.. using HART calibrator like without dismantling devices
to workshop

Answer / ayaz

functional calibration means the transmitter transmit the right or wrong indication on local indication this is function check
 

An electronic p controller has an input range of 1-5v, and output range of 4-20mA, while testing a step change of 0.4 was applied at the input , the PB setting was 50% ,what should be the change in the output ?

1 Answers   Reliance,

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modbus and profibus communication difference?

1 Answers  

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how far the two wire transmission (loop power) maximum distance suitable?

2 Answers   PCIL,

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pls tell me whethere flame proof HMI's are available or every HMI is manufactured by considering flame proof standard.

3 Answers  

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in the boiler in the main steam line and its bypass line and the startup vent vales are only motorised valves why cant we use other types of valves such as pneumatic.

3 Answers  

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What are the materials available to prepare individually for competetive exams in Instrumentation field? Plz reply...

0 Answers  

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if my 6 kva UPS gives 20 min. backup at 100 % load, then at 25% load what is the backup time?

17 Answers  

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How to zero trim the level transmitter by using foundation fieldbus communicator.

2 Answers   Emerson,

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how to make a calliberation for deffirential pressure

3 Answers  

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1.what is the role of proportional comtroller in pid controller?2.How do u calibrate the control valve?

3 Answers   Bently, IOCL,

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why temperature transmitter is showing ambienttemp.but 21.5ma. alarm AO showing at the display &how to sloves this problem.

2 Answers  

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i want to find out iffco get test paper

2 Answers   IFFCO,

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