| 摘要 |
A Flow Meter that can be installed on an existing pair of wires that connect an existing electric valve and its controller without the need to lay out additional electrical wiring, which comprises a hollow main body designed to house the internal components of the Flow Meter; one or more pipe clamps used to attach the main body to the existing pipe; an impeller that revolves when water flows through the pipe; an electric circuit; a circuit housing; a sensor; a sensor housing; and a cover.
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