why we used for range in pnumatic 3-15 psi and current 4-20
ma?
- 11 Answers
- 38286 Views
- Jindal, I also Faced
- E-Mail Answers
Answer Posted / gunasekar.man
because it is use for voltage drop 4-20ma pnuematic input supply presure 6bar will be converted to be 3-15 psi are also its standrd use.some application will be use diffrent power supply for 5v,12v,24v.....but 4-20ma are constant
| Is This Answer Correct ? | 6 Yes | 2 No |
Post New Answer View All Answers
few questions on RS 232,1 question on relationship of impedance and turns ratio, many questions on flowmeters
Draw a complete P&ID of a flow suction tank indicating all control & protection equipment. Indicate all its inlets and outlets. Explain the controls for this system
any body who gone thru recent iocl interview.INSTRUMENTATION questions. I need.
Tell me the field calibration procedure step by step with diagram of pressure gauge, pressure switch, pressure transmitter, temperature switch, level switch, flow switch, flow transmitter.
while i check zero check for dp flow transmitter some fluctuating came (0 to 458 kg/h) what is the reason?
the whole paper was based on Transducers..questions like define repeatability, error,accuracy,precision..den there were many q. on the conversion of Pa to mmHg and other units.. also..der wer few Q. on some level sensors(with diagram)
What is instrumentation technologists and mechanics?
Which type of pressure can be measured by primary elements?
Why upper weighing limit of electronics balance is 90% of the total weighing capacity?
Emergency Shutdown Systems/ Plant Shutdown System.
WHAT IS MEANT BY PROJECT MANAGEMENT STRATEGIES IN INSTRUMENTATION?
Pressure tx shows 1 mbar but we need 1000 mbar at this process condition .. how can we sort it out .
What is voltage regulator?
sir,would you please send me the Hindustan petroleum corporation limited papers(HPCL).my e-mail ID is ujjwal_sharma1983@yahoo.com
What pressure results for a flow transmitter of range 0- 180t/h in the dcs and 0-301mbar in the field using square root extraction. Kindly also suggest formulae for the percentages 0,25,50,75,100?
