Problems with the measurement interface of double-flange differential pressure transmitters
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Double-flange differential pressure transmitter measurement interface. The lower limit is the light medium density times height, and the upper limit is the heavy medium density times height. Is that the case? So if the liquid level is not constant, but rather changes. So how should the interface be tested? How do you calculate its upper and lower limits?
The total height of the two media must exceed the height between the double flanges in order to be measured
For example, the specific gravities are 1 and 0.7 respectively, with a measurement range of 1400. The maximum is 1*1400=1400, and the minimum is 0.7*1400=980. Then 0%~100% is (1L+0.7(1400-L))/1400*100%.
For interface measurement, the medium must fill the space between the upper and lower pressure taps.