Liquid level controller utilizing the rate of change of a thermocouple
作者： Dennis J. Rezabek
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摘要: A new and improved level controller for sensing the of a fluid in container is provided. The includes heater with thermocouple connected thereto wherein adapted to sense temperature rate rise temperature. Immersion cools thermocouple. When not immersed it heated by heating element establish an alarm condition. An condition established when exceeds predetermined and/or maximum
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