why use 4-20mA in the field of instrumentation?

Answer Posted / ajith294

The above answer is correct. we have to need the dead zero,
so we are using 4 to 20 mA instead of 1 to 16 ma

Is This Answer Correct ?    12 Yes 8 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Make a ladder diagram on LSL valve will close, on PSL valve will open and start the motor

1660


HOW TO CHOOSE FREAQUENCY IN FMCW TYPE RADAR INSTRUMENTS. DESIGN BASIS OR DESIGN CALCULATONS ?

1675


what about your moleg in pogrees with company

1777


why we are using digital signals for I/O & how to measure this signals is getting or not ?

1519


all types of liquid analyzer principle with drawing?

1512






Good evening all I need a small favour regarding reliance paper i wanna probable sample papers(e&i) of reliance. if any of u have any idea about dis then plz mail me back.i belongs to electronics and instrumentation engg.so i need e&i papers. thanking u....

1632


what is function of SCADA , and how is it work, explain with difination

1810


What are the types of valves?

604


How to Calibrate Temperature Switch in field

780


Somebody can explain me about >Critical Loops, calibrations, ESD critical Loop checks, Logic Diagram / Cause & Effect checks for ESD loops,

1219


can any one tell me when ongc placement test and its forms is available????/ pls tell me if u know

1601


what is zero and span ?

1181


How does a single acting, spring return ball valve actually work? Does it require continuous air supply? 

1638


Can anybody tell me which type of question are asked in the interview for the FORMULATION(Pharma) as a instrumentation engineer, & question in building managment system.

1559


Instrument QA/Qc what is the project quality plan?conduit inspection RFI. which documents attache with package?

10375