Water Meters Are Classified According To Measurement Principles

Divided into speed water meter and volumetric water meter.

(1) Velocity water meter: a water meter installed in a closed pipeline and composed of a moving element, which is directly driven by the speed of the water flow to obtain the power speed.

Typical speed water meters include rotary-wing water meters and screw-wing water meters. There are single-stream water meters and multi-stream water meters in rotary-wing water meters.

(2) Volumetric water meter: Installed in the pipeline, a water meter composed of a number of chambers of known volume that are successively filled and discharged with fluid and a mechanism driven by the fluid, or quantitative discharge water meter for short.

Volumetric water meters generally adopt a piston structure.