| 摘要 |
<p>A portable measuring device to provide a readout representing an equivalent windchill temperature or heat loss from exposed flesh in cold moving air. The device comprises a body having a channel through which moving air is conducted. A pair of oppositely disposed walls are part of the channel, and at least one of these walls is at least partially transparent. A windvane is disposed in the channel for deflection by the air moving through it. The windvane is supported from the body of the measuring device for pivotal movement. A thermometer is also supported from said body, and has graduations thereon to provide a measurement of the air temperature. Chart means are also provided on the body visible through one of said walls. First, second and third series of markings are on the chart means. At least a portion of the first markings is in alignment with the graduations of the thermometer. A portion of an other of the series of markings is oriented to be in alignment with the windvane upon deflection thereof. The one and other series of markings are arranged to provide an intersection thereof readable against the remaining markings, thereby to yield from the latter said readout, selectively, of the windchill temperature and heat loss. The body is preferably tubular in cross-section with the chart means being formed as printed matter on an interior face of at least one of the partially transparent walls, and has separate support means for mounting both the windvane in the channel and the thermometer immediately adjacent the latter.</p> |
