Ntiv nplhaib anemometer
Nws yog ib qho anemometer nrog ib txheej ntawm peb-los yog plaub-bladeed propellers rotating ib ncig ntawm kab rov tav axis. Lub propeller yog ntsia rau pem hauv ntej ntawm ib tug cua vane, thiaj li hais tias nws cov kev sib hloov dav hlau yog ib txwm tig rau ntawm cov cua, thiab nws ceev yog proportional rau cua ceev.
