Process Instruments and Controls Handbook

accuracy adjustment amplifier analysis analyzer applications automatic balance beam bellows bimetal bourdon bridge bulb calibration capacitance cell cent chart chemical circuit coefficient coil components concentration connected constant Constantan curve deflection detector device diaphragm dielectric constant electrical electrode element float flow meter fluid frequency gage galvanometer gases glass Hygrometer indicator industrial instrument junctions lever liquid magnetic manometer material measurement mechanical mercury metal method motor ohms operation optical orifice orifice plate output photocell phototube pipe potential potentiometer pressure pyrometer radiation pyrometer range ratio recording reference resistance resistance thermometer resistor rotation sample scale sensitivity shown in Fig signal slidewire solution Spark specific specific gravity standard switch Table target temperature thermal thermal conductivity thermistor thermocouple thermometer thermopile tion torque transducer transmitter tube ultraviolet unit usually valve vapor variable vessel viscosity voltage wavelength weight wire zero