Electronic control system comprised of sensors, control valves, and controllers, used with tape casting machinery to control the level of casting slurry

LIQUID LEVEL MEASUREMENT CONTROLLERS, NAMELY, A SERIES OF ULTRASONIC TRANSMITTERS AND POINT SWITCHES, FOR THE MEASUREMENT OF SOLVENTS, CHEMICAL, DIRTY OR CORROSIVE FLUIDS, AND OTHER SUCH FLUIDS

microprocessor control unit to monitor the volume, level, density, temperature and water bottoms of tanks