How Much Do Diamond Engagement Rings Cost. There are two major factors which contribute to the cost of a diamond: a ratings system called the âFour Csâ and whether or not the diamond is ASG/GIA certified. The Four Cs refers to the diamondâs color, cut, clarity, and carat size.
Best Answer: A wind vane is used to tell wind direction. The National Weather Service and those that have a lot of money use a Aerovane. Aerovanes are commonly used at many weather stations and airports to measure both wind direction and speed.
An anemometer is a device for measuring the wind speed, and is one instrument used in a weather station. C. Wind Speed. yes. An anemometer is a weather instrument with three cups attached to a freely spining rod that measures wind speed.An instrument for measuring the speed of the wind, or of any current of gas.nemometers can be divided into two classes: those that measure the wind's speed, and those that measure the wind's pressu â¦ re; but as there is a close connection between the pressure and the speed, an anemometer designed for one will give information about both.