Working principle: When the measured liquid enters the flow meter through the pipeline, the pressure difference generated at the inlet and outlet pushes a pair of gears to continuously rotate, and the liquid measured by the lunar cavity is continuously transported to the outlet. The rotation of the oval gear The product of the number and each displacement four times is the total amount of the measured liquid flow.

 

Working characteristics: Flow measurement has nothing to do with the flow state of the fluid; the higher the viscosity of the medium, the smaller the leakage from the gear and the metering gap. Therefore, the larger the sticky skin of the nuclear test medium, the smaller the leakage error. The more advantageous; the elliptical gear flowmeter has high measurement accuracy and is suitable for measuring the flow of high-viscosity media, but not suitable for fluids containing solid particles (solid particles will jam the gear and make it impossible to measure the flow). If the measured liquid medium contains gas, it will also cause measurement errors.