Interested to Buy Any Domain ? << Click Here >> for more details...
why 4 to 20 ma ,why not 0 to 20 or 3 to 15 or anything
- 19 Answers
- 47530 Views
- Honeywell, TCS, TN, I also Faced
- E-Mail Answers
Answer Posted / bill
4 milliamp is used as span lower limit, because some
elements on the loop require power from the loop and
therefore a minimum level of power must be available
| Is This Answer Correct ? | 11 Yes | 35 No |
Post New Answer View All Answers
Exothermic reaction./ endothermic reaction
what is compensation? temprature & pressure
1. For Steam drum level signal, why do we compensate with drum pressure signal? 2.For main steam Flow signal is comensated with main steam temperature signal and main steam pressure signal why?
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)
How to Calibrate Flow Switch in field
How to calibrate displacer type level transmitter (chemtrol make )for level measurement in hotwell , LP & HP heater ?
1.what is the power consumption of three element drum level control in sugar industries? 2.how to reduce that?
What is the procedure of calibration of Load cell?
What are the interlocks we have to check during the start up of LP/HP compressor?
Explain bernoulli’s theorem. State its application.
what does the ratio 800-400-300-200/1-1-1-1-1 in the specification of current transformer indicates?
How to calibrate RC Feeder system in thermal power station?,If any instrument available to calibrate it,ple inform me. make:stock,
Why boiler chimney area oxyden sensor fixing?
SOME OF YOUR QUESTIONS ARE NOT MAKING ANY SENSE SO TRY AND PUT IN A LITTLE BIT MORE EFFORT BEFORE YOU POST A QUESTION. WE WILL ONLY HELP THOSE WHO WE CAN SEE ARE TRYING TO HELP THEMSELVES.
How to change dcs card in online. (Dsc is maxdna)
