what is Dry Leg calibration and where is it used

1 Answers   Petrofac,

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Why 4-20 amps is being used in instruments? Why cant we use any other range instead of 4-20 amps? Why only 4 amps is taken as lower limit and why 20 amps is taken as the higher limit?

0 Answers  

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Explain ratio control system.

1 Answers  

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What is the syllabus for Instrumentation Engineers, who wish to join the Public Sector Units??

1 Answers  

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WE Know that different supply voltage of solenoid valve like 24,110,220 etc..how we check the solenoid supply is 24v or 220 NOTE: No specification at device.

2 Answers   OMV,

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explane hart protocol? what is its advantages.

3 Answers   Jindal,

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In the field and in the control room different power supplies if used How to handle the ground

1 Answers   ITC Infotech,

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Why not come out analog output in ABB EL3020 when display show correct value

0 Answers  

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what is instrument philosophy

0 Answers   United Automation,

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what is the difference between(Flame proof/Explosion proof)& Fire proof instruments.Both are same or different & if different in which way because the transmitter which have approved ATEX flame proof enclouser but it use PTPE O ring & PTFE Head Gasket,so its (fire safe/fire proof)????????

4 Answers  

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How to change dcs card in online. (Dsc is maxdna)

0 Answers  

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How u measure the massflow in orifice flow measurement techniques

0 Answers   Johnson Matthey,

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