Measurement instruments that accurately measure and monitor the flow rate of liquids, gases, and vapors in manufacturing processes. Compatible with various measurement principles including electromagnetic flowmeters, vortex flowmeters, differential pressure flowmeters, ultrasonic flowmeters, mass flowmeters, and positive displacement flowmeters, essential for fluid management in piping systems and manufacturing equipment. Used in process control for chemical plants, food processing, semiconductor manufacturing, automotive parts manufacturing for raw material supply management, cooling water flow monitoring, chemical injection control, and fuel supply control. Available with analog output (4-20mA), digital communication (HART, Modbus), and pulse output capabilities, integrated into automatic control systems through DCS and PLC connectivity. Unlike pressure gauges and temperature meters, these instruments specialize in measuring volumetric flow rate and mass flow rate of fluids.