what does a positioner in control valve ?

11 Answers  

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Can we use a 10000 Lph Flow Transmitter in 100 LPH flow line to get 20mA O/P by adjusting SPAN ?

1 Answers  

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Please tell me details about Sox,Nox,SWAS analyser????

0 Answers   Essar,

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Consider a control valve action,the inlet air pressure is only 6 ksc but physically how it can be operate against 100 ksc line fluid pressure?

2 Answers   SCS,

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Can I put my meter across an RTD to check it safely witout tripping the equipment when it is connected to an monitoring device eg.RTD module or IQ 1000

1 Answers  

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Can any one send me IOCL instrumentation question papers.. i dont know the pattern of the questions and what to prepare can any one help me on this .. my email id is anwarnishil@gmail.com

0 Answers  

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Hot calibrate a level transmitter (wet & dry legs)?

1 Answers   Honeywell, IEC,

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WHAT IS A SYMPTOM OF FAULT WITH THE SPAN OF AN INSTRUMENT? 1)ZERO-POINT AND 100% ARE CORRECT BUT NOT A MID-RANGE. 2)ZERO-POINT IS CORRECT ,BUT 1005 INPUT IS NOT GIVING 100% OUTPUT. 3)LINEARITY PRBS. 4)1005 O/p IS CORRECT BUT ZEO POINT IS WRONG.

1 Answers   Reliance,

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Tell about your IFFCO plant visit.

0 Answers   L&T,

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Why we use DPT? can we use PT instead of DPT?

2 Answers  

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How to do gas analysers calibration in AUTO and Manually by using zero and span gas?

0 Answers  

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explane hart protocol? what is its advantages.

3 Answers   Jindal,

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