Why 4mA-20mA current loop selected as standard ???
because the ma will not drop during any resistance of the wire. voltage can be drop. regarding the 4 ma its live zero mean running condition. we cannot the confirm that our instrument live or not.
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why the discharge pressure of ID fan showing negative at fan running condition.(boiler operating condition.)
what is the difference between laminor flow and turbulant flow
what is the working principle of dis-placer type level transmitter
can we use flow transmitter instead of level transmitter?
What care will you take in the installation of control valves,SCADA,DCS and FOC in Oil and Gas Project?
what is a instrumentation ?
what will be the output of a temperature transmitter if temperature is 120 degree celcius?
what are the steps to follow force a particular input or out put from ics triplex esd system?
where the use of direct action control valve?
Hai friends I have dought for O2 analyser how to working in boiler area. And what is the basic principles
What are the interlocks we have to check during the start up of LP/HP compressor?
why does mA signal preferred for signal transmission?
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