Answer Posted / veer yadav
means capacitor type sensor will be used and its resistance and capacitor will play role for measuring level of equipment .
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Why we are using reverse action in displacer types level transmitters on some Vessels?
Boolean algebra
give some question relative instrument fitter?
A DP transmitter is used to measure the level of an open tank. The drain line of the tank is connected to a control valve, and is configured as, if the level of the tank is 90% the valve should get open 10%. And if the tank level is 10%, the valve should get open 90%. Draw wiring diagram and explain how to configure DP transmitter and control valve using HART communicator. If the span error at output is 1%, what will be the %opening of the control valve at 60% level of the tank?
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