why we use 4-20 mA to do calibration of the instruments.why
we cant use 0-20 mA?
Answer Posted / kenechi
Yes
Is This Answer Correct ? | 1 Yes | 1 No |
Post New Answer View All Answers
how to control pid
What is heating effect?
key phaser where is use and work
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.
pls give me presant awerness quistion and answer in my emailid.
Can anyone send most commonly asked interview question in Oil & Gas industry
how to tune siemens sipart electro pneumatic positioner..plz tel me..
How to Calibrate Flammable gas detector in field
what is basic difference between motion balance and force balance in pneumatic instrument?
Why the ammonia and Nitric Acid level indicators is with millimeter ? and What is the conversion form millimeters that level indicator indicate to weight ?
Basically iam Instruemntation Engineer, but Iam interested in Instruments design engineering, so plz guide, is there any course, training or Softwres to become Instrument design engineer??.
Describe a time when you anticipated potential problems and developed preventive measures.
What is the Working principle of Dozing valve?
while i check zero check for dp flow transmitter some fluctuating came (0 to 458 kg/h) what is the reason?
HOW TO SOLVE PROBLEM WITH ENRAF LEVEL TRANSMITTER 854 ATG THAT PASSWARD DO NOT Exist INTO TRANSMITTER TO ADJUST LEVEL WITH PORTABLE PET 847, WRITTEN WRONG PASSWORD , I AM SURE THAT DEFAULT PASSWARD (W2=ENRAF2) IS THIS TRANSMITTER NEED TO REPLACE SOFTWARE AND HOW?