High-precision differential pressure type liquid level measurement device and application thereof
A liquid level measurement device, differential pressure technology, applied in the direction of displaying liquid level indicators through pressure measurement, can solve the problems of inaccurate liquid level, water can not be discharged, inaccurate, etc., to achieve small changes, reduce corrosion, The effect of low cost
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[0022] A high-precision differential pressure liquid level measuring device, such as figure 1 As shown, it includes the liquid level container 1 to be measured, the transmitter 2, the pressure guiding tube 3 of the positive pressure chamber and the pressure guiding tube 4 of the negative pressure room. The positive pressure chamber of the transmitter 2 is connected to the The low end of the liquid level measuring container 1, the negative pressure chamber of the transmitter 2 is connected to the high end of the liquid level measuring container 1 through the negative pressure chamber pressure guiding pipe 4, and the highest end of the negative pressure chamber pressure guiding pipe 4 is externally connected to the negative pressure chamber injection pipe 5. The highest end of the pressure guiding tube 3 of the positive pressure chamber is externally connected with the liquid injection pipe 6 of the positive pressure chamber. The liquid injection pipe 5 of the negative pressure ...
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