CPC G01N 15/06 (2013.01) [G01P 5/06 (2013.01); G01P 5/12 (2013.01); G01N 2015/0046 (2013.01); G01N 15/075 (2024.01)] | 7 Claims |
1. A device for determining threshold wind speed in intermittent wind-sand flow, comprising a base, wherein a rotary bearing is installed on the base; a circuitry is installed in the base; a rotatable telescopic rod is installed through the rotary bearing; a wind driven vane and an earth surface wind-sand monitoring frame are installed through the telescopic rod; and photoelectric induction probes are installed on the earth surface wind-sand monitoring frame.
|