why are use only 4 to 20ma. signal.

Answer Posted / sachin bijole

there is no required above current of 4 mA at zero % range b'cause of faulty condition we think the current have found 0 signal.

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is surge and how is it prevented, what is the purpose of bypass valve across AS valve.

1479


How many interlocks at turbine? Plz explain briefly

1528


Type of level transmitter commnly used in Procees area are the following. a.________________This type of level transmitter works as follows

1651


how many maximum enter 2mm Dia solid cylindrical pipe into 8mm Dia hollow cylindrical pipe. give answer with calculation.

1579


OBJECTIVE TYPE QUESTIONS OF ANALYTICAL INSTRUMENTATION

10299






Speedtronic system .

1542


How do bending tubing provide better measurement than using tubing fittings such as elbows?

1486


In my company plc based winders are operated. one day there was a data transmission failure alarm shown on pc. as per sir instruction we have reset master plc but winders were not triped and alarm gone. so what master plc do?

1411


How does work A temperature valve or fv control valve in process plz brief me

1926


How earthing can be checked????

1973


Can u tell me the principle of the tc,rtd,level switch,pressure switch ,transmitter(pr flow level temp.),vibration...plz

1518


WHAT IS MEANT BY PROJECT MANAGEMENT STRATEGIES IN INSTRUMENTATION?

3037


for oil & gas industries which zone is normally preferred? why? give its example?

1565


Why do we floating DC in DC system.

2386


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.

1576