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Hello, I found another example of zero and span as lrv and urv. (see link below) https://files.engineering.com/getfile.aspx?folder=bcfb61c1-2e41-4477-a35f-049e687bc64a&file=exemple_de_mesure_niveau.pdf

The signal 4-20 mA will be transmitted to the HMI and dispayed as % of level. So % of level eqquivalent to % of delta P.

Thank you Drawn2 for your answer. In fact, we still use wet leg and as you said the transmitter's high side is connected at the bottom and the low side seal is connected up top. please find attached a file that describe my calculation, my methode to configure lrv and urv and the method of my...

Hello, I started a new experience in a refinery and We are planning to change a pneumatic transmitter by smart transmitter which measures the level inside a Vessel. After reading manuals and watching tutorials, I did the calculation and I found delta P at minimum level (0%) = -236 mbar and...

Hello, we program to install new transmitters to measure flow but we didn't know how to choose the range, is there any method to determine which transmitter we should use?

Thank you georgeverghse for your answer. In fact, we use the technology of impulse line in vessels and we were thinking to do the same in the column. Yesterday, a Siemens partner propose to use capillary diaphragm seals.

Thank you Compositero for your answer, do you think that I can use Rosmount 3051 ERS or E+H deltabar fmd 72 differential prressure transmitter ?

Hello, we are planning to replace an old transmitter by another one smart transmitter using differential pressure technology. the service conditions are: - fluid: heavy fuel oil - service temperature: 350 °C - service pressure: max 2 bar I am wondering if smart transmitters could work under...