Answer Posted / haridass
Displacer type level transmitter is used in interface level
measurement and closed tank level measurement. It is
working under weight loss, the archimedes principle.
Is This Answer Correct ? | 12 Yes | 0 No |
Post New Answer View All Answers
please tel me the calibration of pneumatic controler.
How to check vortex flow meter is in good condition while we do not having calibration setup?
why we are not using the turbine flow meter in the steam service?
I have got a call of IOCL interview for projects having 2yrs experience. What sort of questions should I expect in the interview?
Q-Explain the different load conditions that will produced different offset which may or may not be acceptable to thhe control function
What is Cavitation in a control valve?
WHAT IS THE CAM POSITION IN CONTROL VALVE POSITIONER ? WHY IT IS USED?
sir,would you please send me the Hindustan petroleum corporation limited papers(HPCL).my e-mail ID is ujjwal_sharma1983@yahoo.com
What is difference between differential pressure & delta pressure?
Which types of quections asked in interview for FORMULATION PLANT (PHARMA)
Sir, I want junior executive, Instrumentation question papaer for IOCL, Plz send to arabinda.ghosh83@gmail.com
Which language of programing is popular? how can i learn it ?
why we are using magnet for calibration of gas detector?
A DP transmitter is used to measure the level of an open tank. The drain line of the tank is connected to a control valve, and is configured as, if the level of the tank is 90% the valve should get open 10%. And if the tank level is 10%, the valve should get open 90%. Draw wiring diagram and explain how to configure DP transmitter and control valve using HART communicator. If the span error at output is 1%, what will be the %opening of the control valve at 60% level of the tank?
which type of signal used in instrument?