Flow Meter is a volumetric measuring type of Impeller Flow meters , made up of Sensor and Convertor. The flowing fluids engas the rotor causing it to rotate at an angular velocity proportional to the fluid flow rate. The Sensor reacts to the avera velocity of fluid with multi-blades rotor so as to speculating the flow value and the accumulative flow value. flow meter is an solution when high accuracy, compact size, fast response, and high tolerance to shock and vibration are critical requirements Suitable for wide ran of viscosity medium including oil, gas, water and waste water, chemical, gas utility, power, food and bevera , aerospace ,pharmaceutical etc.