In instrumentation standard we use 4 to 20ma for transmission , why cant we use 3 to 19ma ?

1 Answers   NSH,

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What are the difference between mass flow meter, magnetic flow meter and vortex flow meter.

1 Answers  

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difference b\w a transducer and a sensor

4 Answers  

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What is the purpose of bypass valve across AS valve.

0 Answers   ADMA OPCO,

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where we are used split range control

1 Answers   Borouge,

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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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WHAT IS SELF CLEAN ELCTRODE IN MAGNETIC FLOWMETER?? WHAT DO YOU MEAN BY THIS TERM??

2 Answers   IOCL,

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Single acting ON-OFF valve. it is air to open. when sov energized , valve will be open, so during that if air fail then what will be the condition of valve ( open or close ) ???

4 Answers  

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what is preventive maintenance , explain with difination

1 Answers   Bapco Bahrain Petroleum Company,

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Can anybody tell me which type of question are asked in the interview for the FORMULATION(Pharma) as a instrumentation engineer, & question in building managment system.

0 Answers   Reddy Labs, ScienceWay,

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How we are deciding while programming in pid controller , What we are using heating or cooling.

1 Answers  

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What is the PLC configuration in Cement industry?

0 Answers   IMCO, Maha Cement,

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