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?
No Answer is Posted For this Question
Be the First to Post Answer
How to convert mA into Percentage?
How INtools is useful for routine Instrument maintenance?
Decibel.
Please tell me details about Sox,Nox,SWAS analyser????
what is the working principal of pribe
What is transmitter
where Pirani gauges are uesd in case of pressure measurement?
what is intrinscily safe system and where we use?
how to connect transmitter measuring sulfur process? 1-by using long impulse line or 2- by using coated short impulse line
What standards are used for earthing of field instruments?
Why we use 3-15 psi air for control valve input?
Controller not working in auto mode?...what are the problem can occur...Pls explain