FLOW RATE DETECTION DEVICE, AND FLOW RATE DETECTION METHOD
PROBLEM TO BE SOLVED: To correctly know the flow of a fluid by simple means.SOLUTION: A flow rate detection device 1 comprises: a light projection unit 2 that projects light to a pilot 92 included in a water supply meter 90 for measuring a flow rate of water in response to an amount of fluctuation o...
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Sprache: | eng ; jpn |
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