anemometer - wind speed on a moving-coil meter

anemometer elektor october 1983 anemometer wind speed on a moving-coil meter The word "anemometer" may sound a bit unusual to most people who are involved in electronics. This is hardly surprising since it comes from two old Greek words anemos (wind) and meter (to measure). When the two are combined, the result is an instrument familiar to weather men the world over. It contains a number of rotating scoops that catch the wind and is used to measure the wind speed. We are not suggesting you should set up your own weather station (that is one quick way to lose friends), but it is certainly nice to get your own idea of the weather, and the wind speed is one thing a barometer cannot tell you (no matter how hard you "tap" it)! Before we get to the circuit of the anem- ometer, let us first see exactly what an anemometer is. As the photo of the proto- type at the heading of this article clearly shows, it consists of a rotating (wind)mill mounted in a holder. The actual mill consists of t...