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Topic: Anemometer

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	Britain.tv Wikipedia - Anemometer
		An anemometer is a device for measuring the velocity or the pressure of the wind, and is one instrument used in a weather station.
		Anemometers may be divided into two classes: those that measure the velocity of the wind, and those that measure the pressure of the wind, but as there is a close connection between the pressure and the velocity, a suitable anemometer of either class will give information about both these quantities.
		Hot-wire anemometers, while extremely delicate, have extremely high frequency-response and fine spatial resolution compared to other measurement methods, and as such are almost universally employed for the detailed study of turbulent flows, or any flow in which rapid velocity fluctuations are of interest.
	www.britain.tv /wikipedia.php?title=Anemometer (1504 words)

	Anemometer (glossary definition)
		Cup anemometer is used to measure the wind speed from the speed of rotation of a windmill which consist of 3 or 4 hemispherical or conical cups, each fixed to the ends of horizontal arms attached to a vertical axis.
		Counting anemometer has cups or a fan whose rotation is transmitted to a technical counter which integrates directly the air movement speed.
		Pressure tube anemometer (Dines anemometer) is an instrument which derives wind speed from measurements of the dynamic wind pressures.
	nsidc.org /arcticmet/glossary/anemometer.html (157 words)

	Anemometr. (Site not responding. Last check: 2007-10-02)
		His anemometer was in a shape of the wind weather – cock and on its end was the rotary small desk fitted vertically.
		At the same principle Englishmen Robert Hooke created his anemometer 200 years later, which is known especially with his rule from the area of straining of material (so called The Hook’s Rule) for students.
		The revolving anemometer is the most common one with which the speed of revolving measure mechanic shows the speed of air flowing on the scale of anemometer’s tachometer.
	www.quido.cz /objevy/anemometr.a.htm (560 words)

	Anemometer - Wind Speed & Direction - Maximum-Inc
		Anemometer measuring wind speed with record of highest gust.
		Anemometer measuring wind speed with record of highest gust and scale doubler.
		This AC- or battery powered anemometer, displays wind speed on a two-digit LCD and is housed in a light wood block.
	www.maximum-inc.com /anemometer.htm (590 words)

	Anemometer Experiment (Site not responding. Last check: 2007-10-02)
		An anemometer is useful because it rotates with the wind.
		Your anemometer doesn't need to be pointed in the wind for use.
		Note: Some forces are being ignored including drag and friction for this elementary illustration, so the velocity at which your anemometer spins is not the same as wind speed.
	www.weatherwizkids.com /anemometer.htm (344 words)

	Bicycle Speedometer Anemometer
		To mark the anemometer hub for drilling the mounting holes, we cut off 3 small nails with wirecutters, and dropped them point-up into 3 of the small holes in the motor.
		If you already have another anemometer that's calibrated (or rent one from the local renewable energy store for a day), you can just mount your new one near the old one and compare the readings.
		The bike speedometer uses the measured circumference of a bicycle tire to calculate the bike's speed, using the number of tire revoluitions per minute as tallied by the sensor mounted ot the bike and the magnet mounted to the wheel.
	www.otherpower.com /anemom2.html (1660 words)

	Anemometer - Wikipedia, the free encyclopedia
		The term is derived from the Greek word "anemos" meaning wind.
		The wire (4 conductors running inside a shield) runs along the rightmost leg of the 3 legged "tripod" mount that's attached to the rigging that runs around the perimeter of the roof.
		Additionally, PWM (Pulse-Width Modulated) anemometers are also used, wherein the velocity is inferred by the time length of a repeating pulse of current that brings the wire up to a specified resistance and then stops until a threshold "floor" is reached, at which time the pulse is sent again.
	en.wikipedia.org /wiki/Anemometer (1513 words)

	Homemade Easter Egg Anemometer
		My solution was to start using Forcefield's Item# 4201 Anemometer Cup and Hub Assembly, which is made of polycarbonate, comes already balanced, and is extremely resistant to high UV exposure.
		You may wish to build a vehicle mount for the anemometer, though it can be calibrated just fine by someone other than the driver holding it out the car window, away from the car's slipstream.
		The scale is completely linear, unlike DC hobby motor anemometers in which the upper part of the scale is compressed.
	www.otherpower.com /anemometer.html (2892 words)

	Science Projects - Wind Speed Indicator (Site not responding. Last check: 2007-10-02)
		This anemometer cannot not tell the wind speed in miles per hour, but it can give you an idea of how fast the wind is blowing.
		One person drove the car, one held the anemometer out of the window -- these two were adults -- one held a stop watch, and one counted the revolutions of the anemometer.
		Assuming there was no wind that day, they determined that with their anemometer 100 rpms equals 10 miles per hour.
	www.energyquest.ca.gov /projects/anemometer.html (595 words)

	Anemometer Loan Program - Utah Geological Survey
		In order to determine whether or not installing a wind turbine is economically viable for a property, landowners usually assess their wind resources with the use of an anemometer.
		Anemometers are instruments used to measure wind speed over time.
		Anemometer data can help businesses, developers, farmers, ranchers, and homeowners determine if there is enough wind energy at their site to invest in a wind turbine.
	geology.utah.gov /sep/wind/anemometerdata/index.htm (418 words)

	Anemometer cup counter, wind vane & elctronic anemo printer - Meteorological Instruments. (via CobWeb/3.1 ... (Site not responding. Last check: 2007-10-02)
		Anemometer Cup Counter is manufactured as per IS : 5912 : 1970 for measuring wind velocity.
		Wind Vane is manufactured as per IS:5799:1970 which indicates the direction of wind at the point of observation.
		This Instrument is basically the combination of cup counter Anemometer and wind vane.
	www.hydromatinstruments.com.cob-web.org:8888 /meteorological_instruments_1.html (132 words)

	Anemometer
		The anemometer measures the wind speed and notifies the wind turbine controller when it is so windy that it would be profitable to use power to make wind turbine turn (yaw) into the wind and start running.
		This is why the wind turbine is brought to a stop when the wind exceeds 25 metres per second.
		When the wind drops, the anemometer tells the controller that it is OK to start the turbine again.
	www.windpower.org /en/kids/choose/nacelle/anemo.htm (95 words)

	Schiltknecht Anemometers
		These anemometers are simple to install or use as part of a fixed system or in conjunction with data loggers, displays or portable indicators.
		These anemometer probes work in the same way as the MiniAir6 and MiniAir64 but are designed to work in water.
		For weather observers, amateur meteorologists and yachtsmen, the yacht anemometer is the ideal instrument for measuring wind speed.
	www.omniinstruments.co.uk /airweath/prod_e.htm (812 words)

	Portable Anemometer Wind Sensor Wind Meter-Inspeed Vortex Pro 1200 Plus Portable Anemometer
		The Vortex Pro-1200 "Plus" anemometer is an affordable way to provide you with accurate wind speed in places where AC power may not be available.
		You can mount this anemometer to your own pole or roof bracket, bring the wire in through a window or some other hole, and stick the display on the glass, a window, or anywhere you want.
		Anemometer is supplied with an aluminum mounting bracket with 2 holes for screws.
	www.inspeed.com /anemometers/Pro-1200_Plus_Anemometer.asp (1098 words)

	USATODAY.com (Site not responding. Last check: 2007-10-02)
		Both the wind vane and the cup anemometer are mounted on vertical poles that rotate.
		In this example, electrical switches mounted on both the rotating disc and the non-moving cylinder around the rotating disc are used to determine both wind speed and direction.
		For example, a wind vane and anemometer duo placed in an alley in New York City may measure a north wind at 20 mph, but 20 feet down the street, the wind may be from the south at 5 mph.
	www.usatoday.com /weather/wanemom.htm (213 words)

	Anemometer (Site not responding. Last check: 2007-10-02)
		A connector is provided on the side of the Model VT-1 antenna cabinet to provide a means of connecting the anemometer to the optional Data Acquisition Module, which is interfaced with the notebook computer associated with the Model VT-1.
		Wind data provided by this sensor is useful for sodar QC purposes as well as for defining wind conditions at or near the surface.
		When this option is installed, wind data from the anemometer are displayed on the sodar computer screen and recorded in the sodar data record.
	www.sodar.com /anemometer.htm (203 words)

	Anemometer
		Your anemometer is useful because it rotates with the wind.
		The velocity at which your anemometer spins is not the same as wind speed.)
		The anemometer is an example of a vertical-axis wind collector.
	sln.fi.edu /tfi/units/energy/dixie.html (368 words)

	ANEMOMETER (Site not responding. Last check: 2007-10-02)
		An anemometer is an instrument used to measure wind speed.
		DIY* Anemometer, from Realtime Control, provides plans for building an anemometer that displays wind speed and direction on LED dials, can also display the maximum wind gust speed and direction since last reset, and has a serial port from which wind data can be read
		Da Vinci invented an "Anemometer: A device for measuring the force of the wind by reading on the quadrant scale the highest point to which the vane, hinged at the top, is blown.
	clcgi.msu.edu /~rtsmith/anemomet.html (1637 words)

	Make and Use an Anemometer to measure Wind Speed (Site not responding. Last check: 2007-10-02)
		The anemometer rotates at the same speed as the wind.
		This anemometer has four cups which catch the wind and cause the anemometer to spin.
		One holder who will hold the anemometer while the spins are counted; the holder should make sure that he holds the anemometer so that the wind is unobstructed.
	www.k12science.org /curriculum/weatherproj2/en/docs/anemometer.shtml (595 words)

	Wind Sensor Hand Held Wind Meter Windsensor Anemometer Windmeter Weather Instruments (via CobWeb/3.1 ... (Site not responding. Last check: 2007-10-02)
		This anemometer is great for applications where AC power is not available.
		The anemometer's magnetic mounting kit consists of 2 heavy-duty magnets on an aluminum bracket.
		Precision digital anemometer provides readings up to 125 MPH in one of four modes: instantaneous velocity, highest gust since reset, 2-minute or 5-minute wind speed average.
	www.inspeed.com.cob-web.org:8888 /anemometers (621 words)

	Anemometer, thermo anemometer, and other wind speed products for air velocity and wind measurement (via CobWeb/3.1 ... (Site not responding. Last check: 2007-10-02)
		Clark Solutions offers a wide range of anemometer, thermo-anemometer, and hand-held weather station models for measuring wind speed, air velocity, and other factors.
		The CS-800 Anemometer, which measures air velocity, wind speed, humidity, temperature and light intensity is a marvelous and economical anemometer for use in the factory and in commercial and industrial buildings as well as laboratories for quick checking of ventilating fume hood and grill velocities, humidity, temperature and lighting levels.
		The CS-810 Anemometer, which measures air velocity and wind speed is a an economical anemometer for use in the factory and in commercial and industrial buildings as well as laboratories for quick checking of ventilating fume hood and grill velocities.
	www.clarksol.com.cob-web.org:8888 /html/velocity.htm (203 words)

	Anemometer by Richard in Paris - Tuesday, March 26, 1901 (Site not responding. Last check: 2007-10-02)
		Chanute and his wife have spent the winter in southern California due to his wife's poor health.
		Chanute recommends an anemometer made by Richard of Paris, France.
		The Richard anemometer is small and portable and can attach to the machine.
	wings.avkids.com /Book/Wright/history1_19012.html (181 words)

	Scholastic.com \| Online Activities: Weather Watch
		Meteorologists use anemometers to measure wind speed in one area.
		With a friend, take the anemometer outside to an open area where the wind is blowing.
		While one of you times exactly one minute on the watch, the other counts how many times the colored cup goes by in one minute.
	teacher.scholastic.com /activities/wwatch/gather_data/anemometer.htm (302 words)

	Digital Multimeters, Eprom Programmer, Hygrometer, Anemometer, Handheld Spectrum Analyzer
		The anemometer is designed to measure both airflow and air temperature.
		The anemometer is a mechanical vane on retractable cord anemometer.
		Features of the anemometer include: Auto power off, data hold, Min/Max/Avg, Back light display, and CE approved.
	www.bkprecision.com /multimeter_spectrum_analyzer_programmer.htm (543 words)

	Anemometer
		For a short time I thought about turning it into a digital readout for my turntable but the idea of using it for an anemometer was close behind.
		The only thing that still needs to be done now is to connect the two leads of the reed-contact to the terminals of the odometer and the fun can begin...
		I chose a windless (as far as this is possible) weekend day and attached the anemometer to a long piece of timber, about one and a half meters in front of my bicycle.
	www.astro.uni-bonn.de /~kbagschi/anemoe.shtml (704 words)

	Hanson Anemometer (via CobWeb/3.1 planetlab2.isi.jhu.edu) (Site not responding. Last check: 2007-10-02)
		The Hanson Anemometer by Thunderhead Technologies brings to the weather enthusiast and the serious professional a wind speed measuring instrument that stands in a class by itself.
		The Hanson Anemometer is a rugged hand-held device which is constructed from quality, time-tested materials to deliver years of maintenance-free service.
		Not only can you use the Anemometer as a hand-held instrument but it can also be installed permanently.
	www.thunderheadtech.com.cob-web.org:8888 /Anemometer (449 words)

	Cup-anemometer (Site not responding. Last check: 2007-10-02)
		In 1867, when the Board of Trade decided to establish seven first class meteorological stations throughout the British Isles, where complete sets of self- recording instruments, working by photography, should be in action day and night without interuption, Armagh Observatory was selected as one of the stations.
		From a note in the Observatory Minute Book, the clock work of the registry of the anemometer had been in action since March 1847.
		A description of the anemometer appeared in Trans.
	www.arm.ac.uk /history/instruments/Robinson-cup-anemometer.html (144 words)

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