Answer / deepak munjal

shield is not connected both sides to avoid ground loop
error. Ground Loop error is occur dueto difference in
ground potential at the Shield Connection. It is best to
ground shield at only one end.

Answer / muthu s

shield is generally connected at panel(DCS or PLC panels)
side only to avoid the circulation of current which is
produced by stray pick up.Normally current can flow through
closed loop only, and by keeping transmitter end left
opened, there is no possible of current flowing.

Answer / s. mitra

To drain out the stray current from the loop. If we connect
both end of shield then the induction of circulating
current will create error in main signal.

Answer / bharathi

To avoid stray current in the loop

Answer / giridharan

shielding is first of all resist the melting of temperature ,
the temp to sense has to be inserted in high temp region

What are de-saturators?

0 Answers  

how to change 4 wire rtd transmitter into a 3 wire rtd transmitter? as our transmitter is working for 4 wire rtd, what should do for working on 3 wire rtd transmitter

1 Answers   HHJ,

when the instrument tapping on pipe line is located below and transmitter is located above the tapping point for liquid service transmitter, what should we do, is there any additional drain valve is required??

2 Answers  

any one can send me instrumentation previous interview papers? I prepare for MNC Company Interviews? my mail id- Rakesh.Golla@dodsaldxb.ae , and another mail rakesh.gvk@gmail.com

0 Answers  

what is maximum vaccume?

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Turbidity analyzer working principle ?

0 Answers   Tata Steel Limited,

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  

detail of mass flow meter pricipal

0 Answers  

I m appointed as an automation trainee engineer in small firm in that I am only the one , my company give me a project on s7-200 as i m beginner I don't know how to program so please send me the helpful site so that I complete my project before deadline....please help me out in this critical situation.

0 Answers  

Explain operation of Haskel pump.

0 Answers   CCIE,

Conversions

0 Answers   CCIE, Nestle,

Define the difference between a stable versus an unstable controlled system and some of the tools you might use to be able to detect when this is happening and assumptions used for control system application design that could contribute to instability

0 Answers