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Several Factors That Affect The Accuracy Of The Flowmeter
Mar 21, 2018

(1) High pressure metering of low pressure gas. It is to install the measuring chamber on the high pressure pipeline, then adjust the pressure through the pressure regulator, and use the gas household to use the gas on the low pressure pipeline. When the gas consumption of the low pressure pipeline is small, according to the equation of state of the gas, the temperature is similar. At that time, the low flow rate of the low pressure pipeline will be reduced to the flow rate of the high pressure pipeline. Even this flow rate will not reach the initial flow rate of the flow meter. The flow meter does not count. So it will cause a larger measurement error.

 

(2) Unreasonable pipe design may cause greater measurement error.

 

(3) The correct installation method will help improve the measurement accuracy and prolong the service life of the flowmeter. When the flowmeter is installed on the pipeline, the threaded holes on the flowmeter body should be aligned with the screw holes of the pipeline flange to ensure the parallelism of the flange, to avoid the flowmeter from other external forces, and to prevent the table body from being deformed by force. Flow meter stuck. When the flowmeter is turned on, the front valve should be opened first, and then the rear valve should be opened slowly to make the flowmeter start pressure to avoid the impact deformation of the flowmeter rotor due to the air hammer effect, resulting in stuck flowmeter.


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    Beijing Gallop Technology Co.,Ltd
    Add:Room410 Tower C, Jiahua Buiding NO.9 Shangdi 3 Street Haidian District, Beijing
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    Fax:+86-010-62967939
    Mobile:+86-13858586115
    E-mail:13858586115@163.com
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