Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...

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

Answer Posted / adarsh choudhary

We used 4 to 20 mA for signal because it is a least affected electrical noise & harmonic signal. Also it is suitable for long transmittance of signal without restricted of resistance of signal wire.

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 eddy current? Describe the operating principle of proximity probe.

2306


we are using centum vp as monitoring with Dell precision work station T3600 but some times PC(s) are restarted automatically . how we can solve this problem? thanks

2183


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.

1796


What is PDS and PDMS ?

2162


Valve positioner and actuators in detail.

1795


what is difference between HOT permit and cold permit

2209


How an rtd work, and what volts/current goes to a rtd to measure the resistance?

1285


Square root calculation for dp flow transmitter?

1250


Emergency Shutdown Systems/ Plant Shutdown System.

2273


dear sir we have insatlled positioner model no.sipart PS2 make Siemens at our control valves . now problem is if we want to increase the response of valve opening speedy /fast. what parameters do we change for positioner ? any idea. please guide us.

1897


what should he know if he is an assitent engineer instrumentation in cement industries of experience of 10 - 15 year.

2097


Which type of diagphram use in costic line,DM water line,natural gas line,oil line?

3925


Specific gravity.

1886


Please tell me details about Sox,Nox,SWAS analyser????

3733


Sir,I am going to sit for IOCL written test exam. recently.Can anyone tell me the name of 'Objective type Question Book on Instrumentation Engineering ' which will help me. Pl. mail to bidyut_71@rediffmail.com / bidyut.saha2008@indiatimes.com / bidyut.saha09@yahoo.in

2074