ELECTROMAX

AUTOMATIC, ELECTRICALLY OPERATED CONTROLLING, INDICATING AND SIGNALLING APPARATUS FUNCTIONING RESPONSIVELY TO THE FLUCTUATIONS OF A VARYING MAGNITUDE OF A CONDITION SUCH AS TEMPERATURE, PRESSURE, ELECTRICAL CONDUCTIVITY, ELECTRICAL IMPEDANCE, ELECTRIC CURRENT, ELECTRIC VOLTAGE, OR THE LIKE, FOR USE IN CONNECTION WITH INDUSTRIAL EQUIPMENT AND APPARATUS SUCH AS DRIERS, OVENS, FURNACES, HEATERS, BATHS, POTS, KETTLES, STILLS, DIES, PLATENS, PRESSES OR THE LIKE, FOR THE PURPOSE OF INCREASING, DECREASING, AND MAINTAINING AT A PREDETERMINED MAGNITUDE THE VARIABLE CONDITION ENCOUNTERED IN CARRYING OUT OF INDUSTRIAL PROCESSES WHERE THE VARIABLE MAGNITUDE OF THE CONDITION IS TO BE MAINTAINED WITHIN PREDETERMINED OPERATING LIMITS, AND FOR PARTS OF AND ACCESSORIES FOR SUCH APPARATUS, CONTROLLERS, AND CONTROLLERS COMBINED WITH SIGNALING MEANS