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Description of the measurement characteristics of the compressed air flow meter

Compressed air flow meters are primarily used for flow measurement of industrial pipe media fluids. The utility model has the advantages of small pressure loss, large scale range and high precision, and is not affected by parameters such as fluid density, pressure, temperature and viscosity when measuring the volume flow rate of the working condition. No moving mechanical parts, so high reliability and small amount of protection. What should I pay attention to when measuring the compressed air flow meter?
The compressed air flow meter measurement method can be roughly summarized as the following four types:
1. Using the principle of Bernoulli equation, the differential pressure type flow measurement method that measures the flow rate by measuring the differential pressure signal of the fluid, such as a rotameter, a target flowmeter and an elbow flowmeter.
2. The velocity flow measurement method that directly measures the fluid flow rate to obtain the flow rate, and the appearance prepared by this method is a turbometer, a vortex flowmeter, an electromagnetic flowmeter, and an ultrasonic flowmeter.
3, using the standard small volume to measure the flow volume measurement method, the appearance of this method such as oval gear gauge, waist gauge and scraper flowmeter.
4. The mass flow measurement method for measuring the mass flow rate of fluids, such as thermal mass flowmeter, Coriolis mass flowmeter and impulse mass flowmeter. However, not all measurement methods or measurement external appearances are suitable for the measurement of compressed air flow. The appropriate measurement method or appearance should be selected according to the characteristics of the compressed air, the measurement requirements and the application conditions.

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