scripion:A single jet water meter is a member of the family of velocity water meters. single jet water meter has the advantages of simple and reliable design, small size, light weight and relatively low manufacturing cost. The single directed stream flows from one direction torwards a turbine mounted in center of body of the meter, and the kinetic energy of the water impinges on the impeller. the rotation of impeller transmits force to register allowing the flow of water passing through to be re