Y to use 4 to 20ma instead of 0-10v

Answer Posted / ravinder

Because Voltage drops as resistance of cable conductor
increases but current will be same at any point of the
loop.4mA is called Live Zero,shows liveliness of the loop
when process variable is zero.

Is This Answer Correct ?    27 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Which products are available in the Mass Systemswitch and System Manager AC range?

1492


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

1924


How to calibrate RC Feeder system in thermal power station?,If any instrument available to calibrate it,ple inform me. make:stock,

2718


How can measure flow in oil line?which type of transmitter is generally used?

3543


What happen if we install my pressure transmitter below the elevation of pipe in natural gas service?

632






Valve positioner and actuators in detail.

1385


Explain pH, Conductivity.

1696


In apron feeder how TPH is calculated?

1180


can you provide me full detail about instrumentation in ONGC??

1750


What inherent design and operating principles are included in a modern control system to use predictive maintenance practices to increase overall system reliability?

1603


Explain about the leakage class of the control valves

1594


How to Calibrate Coriolis Flow transmitter in field

748


please any body have most important data for study for saudi aramco test of instrument QC thanks email shahnaveedullah@gmail.com

1237


What is mean by analytical instrumentation?

1275


can anyone tel the syllabus or previous year question paper for BHAVINI(EIE)2014.

1951