The handheld anemometer is a handy tool for any person who is into weather watching. The anemometer was first developed during the 15th century and has been improved since then. The term "anemometer" comes from the Greek word "anemos" which in English means "wind".
The History of Anemometers
The first anemometers appeared in Italy and in Northern Europe before spreading to the Americas. They were very simple and ingeniously designed. It composed of a single flat disc which would shake in accordance to the winds motion. By looking at the inclination of the disc, the people could determine the degree of the wind pressure. By mid 19th century, more sophisticated anemometers were being used as cups were attached to the ends of a wind vane. When wind rose it would be caught by the cups making the vane turn. The number revolutions of the vane were recorded for readings. This kind of anemometer is still being used today. A similar version of this type spins like a wind mill (vertically) instead of the traditional vertical spinning.
Today's anemometers are very modern. They have grown far its simple flat disc origins they use the latest kind of technology to make accurate wind readings. These anemometers do not only use the wind to make readings but also the detection of particles through laser beams, the measurement if thermal energy, and the movement of sound waves.
What can an anemometer do?
The anemometer is basically a device used to measure the speed of wind. Modern anemometers not only measure wind speed but also different aspects of the wind such as: humidity, temperature and pressure. Anemometers are usually used in weather stations for meteorological purposes. There are five types of anemometers:
- Hot Wire Anemometer - Sonic Anemometer - Laser Doppler Anemometer - Windmill Anemometer - Cup Anemometer
The Handheld Anemometer
The handheld anemometer is basically a personal anemometer. Only measuring a few inches both in length and width, this tool can easily be carried in the pocket. Although small, this device is highly accurate with its readings, normally within 5% of the exact reading. There are certain features that personal anemometers are able to do. These are:
- Measures wind speed (measures up to 100mph easily) in mph, km/h, m/s or Knots - Read wind chill and temperature in Fahrenheit and Celsius - Easily display wind readings - Not easily affected by strong wind and sudden change of direction
Depending on the brand of the handheld anemometer that you buy, manufacturers are now being creative with their additional features. Some have waterproof cases and can even float on water. Others can measure wind using the Beufort Scale while others are made to be very durable that they will survive a drop of several feet.
Who can benefit from using a handheld anemometer?
Many people can benefit from using a handheld anemometer. Since it is convenient to carry around, people who need to be aware of the weather will not have a difficult time doing it. Some people who may benefit by using a handheld anemometer are: engineers, serious kite flyers, wind surfers and climbers
The handheld anemometer is an important tool not only for professional weather watchers but also the amateur ones. Whether you enjoy, sailing, work in a weather station or you just want to make your own weather forecast, this device will definitely help you a lot.
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