Microprocessor-based controller regulates electrical power supplied to heater in each zone of three-zone directional-solidification furnace. Intended primarily for use in microgravity experiments aboard KC-135 airplane, controller also used on ground. Offers advantage of low electrical noise and consequent minimal interference with low-level signals put out by thermocouples and other sensors used in experiments. Achieved by heating with direct (instead of alternating) current and not pulsing heating current.


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    Title :

    Three-Zone Programmable Temperature Controller


    Contributors:
    Smith, Guy A. (author) / Workman, L. (author)

    Published in:

    Publication date :

    1990-11-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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