hello i'am samad.Any one Can help me! How to calibrate Vaccum
Transmitter DP Type range 0 - 50 mbar abs by hand pump
calibrator.
Answer Posted / moin
Druck is supplying a pressure calibration with a range of -1 to +1 bar.with this you can calibrate.....
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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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