This high performance positive displacement or PD Flow Transmitter is used for volumetric flow measurement of fluids. This precision instrument is accessible with hydraulic locking mechanism. This instrument is capable of determining very low and intermittent flow rates. This PD Flow Transmitter is compatible with fluid of different viscosity levels. It consists of chamber for hindering media flow. Its reciprocating mechanism is instrumental in measuring flow rate. This product has been developed under the guidance of skilled personnel who have used quality approved raw materials for its designing. Standard of this product has been verified on the basis of its performance, design, reliability, diameter and user friendliness.