why can't we use 5-20mA standard or some other instead of 4-
20mA?
Answer Posted / jay
4 - 20 ma is used because of Live Zero.
| Is This Answer Correct ? | 3 Yes | 3 No |
Post New Answer View All Answers
plz send me general of ongc
can we copy the software from a transmitter using hht(hart 275) ?
I want to know the questions asked in ONGC interview(after being selected in the written exam) for Instrumentation branch.Kindly help.
how many types of viberation transmitter and how to calibrate and where use of vibration transmitter
I am teja. I am studying Msc(tech) Electronics and Instrumentation (3years course) in Andhra university. But my course is not recognised by UGC and AICTE. Please tell me the job opportunities after this course. And i fineshed PLC course in IGIAT ,Vizag.Also complted my short term coure in SCADA, Seimans WinCC in ATI,Hyd.After Msc can i join Mtech for good job? or phd. How i can get good job in INdustrial Automation Side. Please give replay.Because this is my life matter.
how do calibrate the valves.. with clear manual
What is cut off relay? And why use in PLC and DCS?
What are the type of bonnets in the control valves?
Draw bode plot of any transfer function. Why is plotting bode necessary?
what is the procedure of O2 sensor(ABB) calibration?
whatis range of marcury filled tempereture gague
What is the difference between ff transmitter and non ff transmitter
why we are using digital signals for I/O & how to measure this signals is getting or not ?
what is function of sensor, and how is it work , explain with difination
how do i tune dearator pr control valve using PID. we set the set point is 0.6kg/cm2 now i want 0.5 to 0.7kg/cm2 limits so what should i give p,i,d values. then pls explain how do set pid values for control valve tuning?