| 摘要 |
Wireless flow monitoring devices are described. In one example, a device to wirelessly monitor a flow of material is described that includes a housing having a first surface and a second surface opposite the first surface, the second surface having an aperture, a lever secured within the housing to move in response to the flow of material, and a paddle arm forming at least a portion of a first arm of the lever, where an end of the paddle arm extends out the aperture of the second surface of the housing, and where a paddle is affixed to the paddle arm to be positioned within the flow of material. The device includes a magnet that is actuated by a second arm of the lever to move an amount proportional to the first arm of the lever, a portion of the magnet extending beyond the first surface of the housing so that a motion path of the portion of the magnet extending beyond the first surface of the housing is disposed within a channel of a wireless position monitor mounted to the first surface of the housing, where the channel serves as a sensor to detect movement of the magnet.
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