The JD-DTB delta bar flow meter is a plug-in flow meter. A delta bar sensor is inserted in the pipeline to generate a high pressure distribution zone in the forward flow direction and a low pressure distribution zone in the rear when the fluid flows through the sensor.
The sensors measure the full pressure of the fluid separately including the static pressure and the average velocity pressure Pl and the static pressure P2. Introduce P1 and P2 into the differential pressure transmitter, measure the differential pressure â–³P=P1-P2, and â–³P reflects the average velocity of the fluid, so that the fluid flow can be calculated.
Or computer networking, fluid flow measurement and control. Deltaba sensors collectively reflect the latest research results of constant flow tube flow sensors. The shape of the sensor is prismatic. It conforms to the principle of fluid dynamics and can produce accurate and stable differential pressure signals with high strength, no leakage and no blockage. With high measurement accuracy, reliability, good stability and other advantages. It can measure many kinds of fluids such as gas, liquid, steam and corrosive media, and it can be used for pipes of various sizes, and it can be used in high temperature and high pressure applications.
When the fluid flows through the probe, a high pressure distribution zone is generated in the front portion thereof, and the pressure in the high pressure distribution region is slightly higher than the static pressure of the pipe. According to the principle of Bernoulli's equation, the velocity of the fluid flowing through the probe is accelerated, and a low pressure distribution area is generated at the rear of the probe. The pressure in the low pressure distribution area is slightly lower than the static pressure of the pipeline. After the fluid flows from the probe, a partial vacuum is generated at the rear of the probe, and vortices appear on both sides of the probe.
The cross-sectional shape, surface roughness, and position of the low-pressure tapping hole of the equal-speed flow probe are the key factors that determine the performance of the probe. The stability and accuracy of the low-voltage signal play a decisive role in the accuracy and performance of the average speed probe. The delta bar equal flow rate probe accurately detects the average differential pressure resulting from the fluid's average velocity. Delta flowmeter average flow rate probe in the high and low pressure areas have multiple pairs of pressure holes arranged according to certain criteria, making it possible to accurately measure the average flow rate.
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