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  • Resistance to Change
    The diameter of the Nickel-Chromium (NiCr) wire used for the heating coil in a cartridge heater is sized depending on the resistance required. The resistance is calculated by squaring the voltage and dividing that product by the wattage. The higher the resistance goes, the finer the wire becomes
  • Appliance sensors become hot stuff
    rises, each heater element cools in turn. The electronics convert the thermocouple outputs into a signal that corresponds to the level of the liquid. Finite-element analysis models the temperature variations of each heater element at liquid levels of 0, 3, and 6 cm. The use of FEA helped speed
  • Technical Reference Guide
    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .165. Empirical Guideline for Cartridge Heater life . . . . . . . . . . . . . . . . . . . . . . . . . . . . .166. Wire, Cable and Current Capacities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .167. Wire
  • Etched-foil elements provide significant advantages in sensitive applications
    component within the oven. Not only would the heater short out, but the reliability failure became a hazard to the oven's operator. The company approached Thermal Circuits of Salem, Massachusetts to help diagnose the cause of the problem and develop a solution.
  • Fast heat for fast food
    layer on one side and to an insulating layer on the other. The handy thing about the graphite is that it works like an electrical conductor but without the need to include wire elements, metals, or heat-conducting fibers in the graphite. A heater is made by simply putting a thin layer of laminated

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