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...

in instrumentation why we are using 4-20mA , why not
voltage ? if somebody design a instrument which works on
voltage then can we use that instrument?

Answer Posted / bnp

because there is voltage drop as per the length of conducting wire. but current has no drop

Is This Answer Correct ?    16 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Calibration procedure for Electro magnetic Flow meter

4468


Why thermo wells are used? What materials are used in thermo wells?

1103


What are the different types of thermistors used in industries? How to the operation of typical thermistor?

1950


any one can send me instrumentation previous interview papers? I prepare for MNC Company Interviews? my mail id- Rakesh.Golla@dodsaldxb.ae , and another mail rakesh.gvk@gmail.com

1930


What is the difference between conductive lined pipe and conductive unlined pipe? Why do we see that?

3170


what is IEC code in cables & how to selecting cables?

1795


What is the start up procedure of desalter

3670


Decibel.

2535


What is the use of temprature compensation?

1139


What is furnace draft control?

1067


send me last 5 years questions asked in rrb chennai, for section engineer

2084


What is frequency factor in massflow meter? When using frequency output?

1842


where proximity sensor installed on tank in loading arm application

1933


Why is it necessary to use compensation leg to measure the liquid level in a closed or pressurized tank?

2436


Why is the orifice tab provided?

1194