Interested to Buy Any Domain ? << Click Here >> for more details...
why we use 4-20 mA for calibration of the instruments.why
we cant use 0-20 mA?
- 5 Answers
- 10991 Views
- I also Faced
- E-Mail Answers
Answer Posted / sanjay sojitra
The live-zero represented by 4 mA allows the receiving
instrument to detect some failures of the loop, and also
allows transmitter devices to be powered by the same
current loop (called two-wire transmitters)
| Is This Answer Correct ? | 15 Yes | 2 No |
Post New Answer View All Answers
Dear Friends, we are planning to design Power distribution and Fiber optic in the same cabinet.Like Front side Fiber optic and Rear side Power distribution.Is it any possibility of problem occurs like interference etc? Your answer is highly appreciate.
I have energy meter for educational project having 0.5s class but my friend need 0.2s class meter , which one is good for that purpose and what is the actual difference of that two classes , need very easy example also.??
Which type of diagphram use in costic line,DM water line,natural gas line,oil line?
How a conductivity sensor & analyzer work at boiler, whats the principle & science is beyond this,How conductivity sensor sence & convert signal & move toward analyzer & analyzer show reading in percent? also what is temperature compensate option in conductivity analyzer
Specify for Cables - Flame Retardant and Fire Resistant?
How we calculate orifice plat size???
Can anyone convert a 5/2 way or 3/2 way valve into an ISO valve?
Any body have know try work calculation ???
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....
Which type of pressure can be measured by these elements?
what is function of SCADA , and how is it work, explain with difination
How to Calibrate Ultrasonic flow Transmitter in Field
What are the application of bernoulli’s theorem?
what are the diff. in servo and regulatory control?
hi,i am doing 3 year in electronic and instrumentation engineering. what type of aptitude questions will be asked in a core industries and how can i improve my skills in instrumentation?
