Anemometers

An anemometer is a device used for measuring the speed of wind, also a common weather station instrument. Anemometers are accurate wind speed monitors that can provide data in various ways. There are several types and each one functions differently depending on what type it is. Most handheld wind speed monitors are rugged and most mountable anemometers tend to be weatherproof. They are used in a variety of applications from weather predictions to high-tech scientific research labs.

Types of Anemometer
  • Cup anemometers – most simple type. They are mounted on a pole and consist of a set of two, three or four spinning cups which blow in the wind. As the wind gets stronger, the cup formation spins faster and the anemometer captures the speed of the air flow and displays it as a digital readout.
  • Vane anemometer – also known as propeller or windmill anemometers. Like cup anemometers, they use wind blades not cups that turn. Some handheld propeller anemometers are also called impeller wind monitors because their propellers blades are protected by a caging unit to protect your hand.
  • Pressure-tube anemometer – uses the pressure generated by the wind to measure its speed.
  • Hot-wire (Thermal) anemometers or constant current anemometers – commonly made for handheld usage. These work by heating a thin wire to a specific temperature and then measuring how much the wire is cooled by the air flow. It calculates how fast the wind is blowing by measuring how quickly the wire cools down and how cool it gets.
  • Thermal Anemometers with Velocity/Temperature Profiling – these have the smallest sensor which measure both velocity and temperature. Used in wind tunnels for circuit board and heat sink analysis.
  • Ultrasonic anemometers – these measure wind speed using high-frequency sound. It has two of three pairs of sound transmitters and receivers mounted at right angles to one another. Electronic circuits inside measure the time it takes for the sound to makes its way from each transmitter to the corresponding receiver. The circuits measure the difference in speeds of the beams and use that to calculate how fast the wind is blowing.

Common uses of an anemometer:
  • Weather enthusiasts and hobbyists
  • HVAC installation and repair personnel wanting to measure airflow in an air conditioning units, heating or ventilation unit or home inspectors and facility managers
  • Scientists who measure environmental conditions
  • Agriculture, checking conditions prior to crop spraying or burning

...
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Description Price Calibrated Measurement Parameters Maximum Air Velocity Best Air Velocity Accuracy Air Velocity Resolution Probe Type Maximum Temperature Temperature Measurement Resolution Best Temperature Measurement Accuracy Power Source Battery Type Battery Life Dimensions Weight
RS Stock No. 106-5314
BrandRS PRO
£50.00
Each
Units
- Air Velocity, Temperature 25m/s ±2 % 0.1m/s Rotary Vane +50°C 0.1°C ±1 °C Battery AAA 50 h 135 x 48 x 23mm 80g
RS Stock No. 123-2202
BrandRS PRO
£90.00
Each
Units
- Air Velocity 45m/s ±3 % 0.1m/s Vane +60°C 0.1°C ±0.8 °C Battery 9V 50 h 88 x 26 x 168mm 350g
RS Stock No. 327-0640
BrandRS PRO
£278.16
Each
Units
- Air Velocity 20m/s ±5 % 0.1m/s Hotwire - 0.1°C ±0.8 °C Battery AAA x 6 - 180 x 72 x 32mm 355g
RS Stock No. 123-2203
BrandRS PRO
£153.00
Each
Units
- Air Velocity, Temperature 45m/s ±3 % 0.01m/s Vane +45°C 0.2°C ±1 °C Battery 9V 50 h 88 x 26 x 168mm 350g
RS Stock No. 123-2224
BrandRS PRO
£184.00
Each
Units
- Air Flow, Air Volume 30m/s ±3 % 0.1m/s Hotwire - - - Battery AAA 10 h 72 x 35 x 150mm 235g
RS Stock No. 155-8899
BrandRS PRO
£47.50
Each
Units
- Air Temperature, Air Velocity 25m/s ±3.5 % - - +60°C - +4 °F, ±2 °C - - - - -
RS Stock No. 233-9546
Mfr. Part No.KESTREL 1000
BrandKestrel
£86.00
Each
Units
- Air Velocity 40m/s ±3 % 0.1m/s Rotary Vane - - - Battery CR2032 300 h 122 x 42 x 20mm 65g
RS Stock No. 506-6011
Mfr. Part No.XPLORER 1
£40.58
Each
Units
- Air Velocity 42m/s ±3 % 0.027m/s Rotary Vane - - - Battery CR2032 - - -
RS Stock No. 506-6027
Mfr. Part No.XPLORER 2
£50.86
Each
Units
- Air Velocity, Temperature 42m/s ±3 % 0.027m/s Rotary Vane - 0.1°C ±0.5 °C Battery CR2032 - 93 x 41 x 17mm 50g
RS Stock No. 913-2575
Mfr. Part No.0560 1405
BrandTesto
£79.00
Each
Units
- Air Velocity, Temperature 30m/s 5 % 0.01m/s Thermal +60°C 0.1°C ±0.5 °C Battery AAA Micro 15 h 200 x 30 x 41mm -
RS Stock No. 292-329
Mfr. Part No.0560 4101
BrandTesto
£79.00
Each
Units
- Air Velocity, Temperature 20m/s ±2% + 0.2 m/s 0.1m/s NTC, Rotary Vane - 0.1°C ±0.5 °C Battery AAA x 2 100 h 133 x 46 x 25mm 110g
RS Stock No. 344-3494
Mfr. Part No.KESTREL 3000
BrandKestrel
£171.00
Each
Units
- Air Velocity, Altitude, Dew Point, Heat Index, Pressure, Relative Humidity, Temperature, Wind Chill 40m/s ±3 % 0.1m/s Rotary Vane - 0.1°C ±1 °C Battery CR2032 300 h 122 x 42 x 18mm 65g
RS Stock No. 512-0317
Mfr. Part No.0560 4251
BrandTesto
£349.00
Each
Units
- Air Velocity, Temperature, Volume Air Flow 20m/s ±5% + 0.03 m/s 0.01m/s NTC, Thermal - 0.1°C ±0.7 °C Battery 9V 20 h 182 x 64 x 40mm 285g
RS Stock No. 512-0301
Mfr. Part No.0560 4160
BrandTesto
£373.90
Each
Units
- Air Velocity, Volume Air Flow 40m/s ±1.5% + 0.2 m/s 0.1m/s Telescopic Vane - - - Battery 9V 80 h 182 x 64 x 40mm 325g
RS Stock No. 913-2579
Mfr. Part No.0560 1410
BrandTesto
£64.31
Each
Units
- Air Velocity, Temperature 30m/s 2 % 0.1m/s Vane +60°C 0.1°C ±0.5 °C Battery AAA Micro 200 h 154 x 43 x 21mm -
RS Stock No. 518-4513
Mfr. Part No.0560 4170
BrandTesto
£279.00
Each
Units
- Air Velocity, Temperature, Volume Air Flow 20m/s ±1.5% + 0.1 m/s 0.01m/s NTC, Rotary Vane - 0.1°C ±0.5 °C Battery 9V 50 h 277 x 105 x 45mm 230g
RS Stock No. 227-826
Mfr. Part No.0560 4053
BrandTesto
£99.00
Each
Units
- Air Velocity, Temperature, Volume Air Flow 10m/s ±5% + 0.3 m/s 0.01m/s NTC, Thermal - 0.1°C ±0.5 °C Battery AAA x 3 20 h 490 x 37 x 36mm 115g
RS Stock No. 314-4282
Mfr. Part No.KESTREL 2000
BrandKestrel
£111.00
Each
Units
- Air Velocity, Temperature, Wind Chill 40m/s ±3 % 0.1m/s Rotary Vane - 0.1°C ±1 °C Battery CR2032 300 h 122 x 42 x 18mm 65g
RS Stock No. 512-0323
Mfr. Part No.0560 4351
BrandTesto
£379.00
Each
Units
- Humidity, Temperature 40m/s - - Hotwire, Rotary Vane - 0.1°C ±0.2 °C Battery AA 200 h 225 x 74 x 46mm 428g
RS Stock No. 512-0610
Mfr. Part No.0635 9535
BrandTesto
£419.00
Each
Units
- Air Velocity 40m/s ±1.5% + 0.2 m/s - Telescopic Vane - - - - - - - -
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