Measuring principle of small open channel flow meter

Abstract: The information on the measurement principle of small open channel flow meters is provided by excellent flowmeter and flowmeter manufacturers. This instrument is designed according to the principle of flow velocity area method for open channel flow measurement. The flow rate Q=VS (S is the cross-sectional area) can be obtained by measuring the flow velocity. The signal device generates the revolution signal, by. More flowmeter manufacturers select models and price quotations. You are welcome to inquire. The following is the details of the article on the measurement principle of small open channel flowmeters. This instrument is designed according to the principle of flow velocity area method for open channel flow measurement, and the flow rate can be obtained by measuring the flow velocity Q=V·S (S is the cross-sectional area) 1. Flow velocity measurement: When measuring the flow velocity, the propeller-type rotor flowmeter is driven by hydraulic power to rotate, and the built-in signal device generates a rotation number signal, and the flow velocity is calculated by the following formula: KNV=———————— + C (m/s) T In the formula: V: Average flow velocity in the flow measurement period (m/s) K: The hydraulic pitch of the blade C: The flow meter constant T: The flow measurement duration (unit is S) N: During the T period Signal number When the instrument is used, K and C are constants. When measuring the flow, as long as T and N are measured, the flow rate can be calculated. 2. Calculation of flow rate: The flow rate is measured according to the flow rate area method of open channel flow measurement. The flow rate is first measured and then multiplied by the cross-sectional area to obtain the flow rate. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Measurement principle of small open channel flow meter'

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