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Glass rotor flowmeter measurement principle

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Glass rotor flowmeter measurement principle

Release date:2014-08-14 00:00 Source:http://www.yinhuanchina.com Click:

   

    1. The object of measurement. That measure media type, size of the pressure, and chemical properties. The liquid medium, gaseous medium, for corrosive media should be selected decay meter.


    2. Flowmeter performance itself. After the above-mentioned conditions are determined Generally speaking, if the price is not a big change, it may be preferred needle placed in the upper part of the meter; a larger hole in circulation is a direct flow scale; simple structure; the smaller external dimensions, etc. . In the case of small flow range, you can choose the ball float, because it measured stable, easy to dust, high precision, good interchangeability.


    3. Selection based on price. Generally speaking, high precision high price. According to the choice of instrument accuracy level measurement purposes, as long as the control medium by measuring the amount of adjustment after trial operation, after the need has always been stable throughput, so accuracy is secondary.


    4. Fluid flows through the cone bottom-up, the fluid kinetic energy generated in the float buoyancy lift S and fluid the float rises A, S and buoyancy lift when A equals float its own gravity G, the float is in equilibrium, stability in a a height position, the cone on the scale indicates the value of the fluid flow.


 

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