why to use 3 wire at RTD ?
what's the reason for
common wire ?

Answer Posted / yugesh shah

3rd wire is called compensation wire , when RTD is installed
far away from control room or where we get indication then 2
wire RTD fails to send appropriate sign al due to
temperature effect or atmospheric changes so 3rd wire is
helpful to send error free signals or resistance

Is This Answer Correct ?    0 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Operational amplifiers

1527


which type inter lock use in petrochemical refinery,and oil & gas?

2635


In turbine, what does term CDP, NI, NH, HSSOC, means

2205


why using negative supply for bentley nevada vibration system ?

1716


How does your previous experience relate to the job you are applying for ?

1564






How the sizing of the analog signal cable is calculate?

1991


PLEASE PROVIDE SAMPLES OF CHEVRON SKILL TESTS

3465


please send me some question papers of HPCL aptitude test ?? please send it to bipinb.28@gmail.com ...

1520


What types of Instrumentation Related Questions can an Interviewer ask in a Telephonic Interview ?

2057


Explain bernoulli’s theorem. State its application.

691


What happen if we install my pressure transmitter below the elevation of pipe in natural gas service?

637


How to calibrate radar type level transmitter for interface level? Total liquid(liq.1 and liq.2), level both the liq individually? For. Both the liquid levels how the signal will go from transmitter to dcs? How to calibrate. Single radar 9:26:55 AM for 2 different liquids in a tank?

1584


can we copy the software from a transmitter using hht(hart 275) ?

1637


use of split range ? where it is used ? in which control loop it is used ?

1486


Do you have reference list?

1433