Types:
Coriolis mass, Impeller, Gauges/Indicators (Pressure, Temperature), Level, Magnetic, Orifice (Flange union, Double and Single Chamber), Positive displacement (Helical rotor, Nutating disc, Oval gear, Roots, Rotary vane, Timing gear), Strain gage target, Transmitters (Density, Pressure, Temperature, Viscosity), Turbine (Gas and Liquid), Ultrasonic, Variable area, Vortex-shedding