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Optical monitoring processes and apparatus for combined liquid level sensing and quality control
Optical monitoring processes and apparatus for combined liquid level sensing and quality control
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机译:用于液位检测和质量控制相结合的光学监控过程和设备
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摘要
Methods and apparatus of measuring both concentration and amount of a liquid in a liquid chemical container are presented, one method comprising the steps of: (a) viewing light emanating from a first optical member that is in visual contact with the liquid, the light emanating from the optical member having a level indicating quality; and (b) routing light from a second optical member that is in visual contact with the liquid to means for optical discrimination between liquid chemical based on different optical properties.
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