Pressure differential meter
A flow meter and differential pressure technology, applied in the field of flow control, can solve the problems of high installation requirements, general measurement accuracy, and narrow range, and achieve the effects of improving measurement accuracy, simple structure, and increasing service life
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[0014] like figure 1 A differential pressure flowmeter is shown, including a junction box 1, a sensor protection box 2 and a throttle 3, a sensor protection box 2 is installed under the junction box 1, and the sensor protection box 2 is connected to the throttle; inside the sensor protection box 2 A differential pressure sensor 4 and a pressure sensor 5 are installed, exhaust valves are provided on both sides of the sensor protection box 2, and the bottom of the sensor protection box 2 is provided with a positive pressure inlet 8 and a negative pressure inlet 9, and a positive pressure inlet 8 and a negative pressure inlet 9 Respectively connect the restrictor 3, the exhaust valve is a positive pressure exhaust valve 6 is a negative pressure exhaust valve 7, the bottom 2 of the sensor protection box is provided with a temperature sensor 10 inlet, and the junction box 1 is provided with a display 11.
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