Full Featured Liquid & Gas Flowmeter Calibrators Flow Dynamics is the industry's leading manufacturer of high-precision flow meter calibration equipment. Our calibrators are the equipment of choice across a wide range of industries, and are in use throughout the world in the most demanding calibration environments. All Flow Dynamics flow calibration equipment is full featured to provide ease of use and complete data production capability. Our designs have properly sized flow tubes to ensure steady state flow, separate dual temperature sensors, extended test section to accommodate correlations meters, selectable flow meter inputs, isolation valves to reduce fluid loss, fluid return pump, fluid temperature conditioning and software that is compatible with Microsoft Access, Word and Excel. Data sheet generation is customizable to include your letterhead. This attention to detail ensures every piece of equipment conforms to specified operating requirements and meets stated performance criteria of NIST.