Anemometers

An anemometer is a device that is used to measure the speed of wind and is a common weather station instrument. To learn more, please see our complete guide to anemometers.

Anemometers can accurately monitor the wind speed and provide the data for the measurements in various ways. There are several types of anemometers and each one functions differently depending on what type it is and what type of wind measurement application it is used for. Most handheld wind speed monitors are rugged and durable to withstand the elements that they may be presented with, as well as being weatherproof, especially those that can be mounted to measure over long periods of time. They are used in a variety of applications from weather predictions to high-tech scientific research labs.

Types of Anemometer

The types of anemometer depend on the type of measurement application it is used for. Below are some common types:

  • Cup anemometers - The simplest type of anemometer which is mounted on a pole and consists of a set of two, three or four spinning cups that blow in the wind. As the wind gets stronger, the cup formation spins faster, and the anemometer captures the speed of the airflow and displays it as a digital readout.
  • Vane anemometer - These types are also known as propeller or windmill anemometers. Like cup anemometers, they use wind blades that turn, instead of cups. 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 - This anemometer uses the pressure generated by the wind to measure its speed.
  • Hot-wire (thermal) anemometers or constant current anemometers - A hot-wire anemometer is commonly made for hand-held usage and works by heating a thin wire to a specific temperature and then measuring how much the wire is cooled by the airflow. 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 measures both velocity and temperature. They are commonly used in wind tunnels for circuit board and heat sink analysis.
  • Ultrasonic anemometers – The professional standard anemometers 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. Built in electronic circuits 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.

When would you use an anemometer?

Anemometers are key instruments for test and measurement in a variety of applications like:

  • 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 like wind direction or wind speed, prior to crop spray

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Description Price 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 Height
RS Stock No. 914-0009
Mfr. Part No.0852LHVG
BrandKestrel
MYR2,383.65
Each
units
Air Flow, Altitude, Density, Density Altitude, Dew Point, Evaporation Rate, Heat Index, Moisture content, Pressure, Relative Air Density, Tail Wind, Wet Bulb Temperature, Wind Chill 40m/s ±3 % 0.1m/s Impeller +70°C 0.1°C ±0.5 °C Battery AA 400 h - 121g 127mm
RS Stock No. 735-0043
Mfr. Part No.ATMOS
MYR999.16
Each
units
Air Velocity, Humidity, Temperature 42m/s ±3 % 0.27m/s Impeller - 0.1°C ±0.4 °C Battery CR2032 - - 235g 155mm
RS Stock No. 506-6027
Mfr. Part No.XPLORER 2
MYR258.70
Each
units
Air Velocity, Temperature 42m/s ±3 % 0.027m/s Impeller - 0.1°C ±0.5 °C Battery CR2032 - - 50g 17mm
RS Stock No. 914-0006
Mfr. Part No.0852HVG
BrandKestrel
MYR1,922.75
Each
units
Air Flow, Altitude, Density, Density Altitude, Dew Point, Evaporation Rate, Heat Index, Moisture content, Pressure, Relative Air Density, Tail Wind, Wet Bulb Temperature, Wind Chill 40m/s ±3 % 0.1m/s Impeller +70°C 0.1°C ±0.5 °C Battery AA 400 h - 121g 127mm
RS Stock No. 913-9996
Mfr. Part No.0850LBLK
BrandKestrel
MYR2,293.05
Each
units
Air Flow, Altitude, Density, Density Altitude, Dew Point, Evaporation Rate, Heat Index, Moisture content, Pressure, Relative Air Density, Tail Wind, Wet Bulb Temperature, Wind Chill 40m/s ±3 % 0.1m/s Impeller +70°C 0.1°C ±0.5 °C Battery AA 400 h - 121g 127mm
RS Stock No. 123-2224
BrandRS PRO
MYR1,395.20
Each
units
Air Flow, Air Volume 30m/s ±3 % 0.01 mph, 0.1 kph, 0.1 m/s Hotwire - - - Battery AAA 10 h - 235g 150mm
RS Stock No. 184-6783
Mfr. Part No.TMA-21HW
MYR2,596.27
Each
units
Air Flow, Air Velocity, Humidity, Temperature 30m/s ±3 % - Hotwire +60°C - ±0.5 °C Battery AAA 10 h 361 x 216 x 64mm 1kg 63.5mm
RS Stock No. 184-6785
Mfr. Part No.TMA5
MYR1,053.14
Each
units
Air Velocity, Humidity, Temperature 20m/s ±5 % - - +50°C 0.1°C ±1 °C Battery CR2032 - - 135g 17mm
RS Stock No. 176-5593
Mfr. Part No.0635 9372
BrandTesto
MYR4,357.28
Each
units
- 20m/s - - Rotary Vane +70°C 0.1°C ±0.5 °C - - - 375 x 105 x 46mm 360g 46mm
RS Stock No. 136-8255
Mfr. Part No.P01654227
MYR2,937.90
Each
units
Air Flow, Air speed, Temperature 35m/s ±3 % 0.01m/s Vane +50°C 0.1 °C, 0.1 °F ±0.8 °C Battery AA 200 h - 400g 150mm
RS Stock No. 155-8899
BrandRS PRO
MYR377.79
Each
units
Air Temperature, Air Velocity 25m/s ±3%+0.30 m/s 0.01m/s NTC, Rotary Vane +60°C 0.1°C ±2 °C, +4 °F Battery 9V - - 172g 36mm
RS Stock No. 193-8699
BrandRS PRO
MYR1,091.84
Each
units
Air Flow, Air Velocity, Temperature 25m/s ±5 % 0.01m/s - +50°C 0.1°C 1 °C Battery Rechargeable - - - -
RS Stock No. 801-1320
Mfr. Part No.KESTREL 3500
BrandKestrel
MYR1,588.05
Each
units
Air Velocity, Humidity, Temperature 40m/s ±3 % 0.1m/s Impeller +55°C 0.1°C ±0.5 °C Battery CR2032 300 h - 65g 122mm
RS Stock No. 185-3517
Mfr. Part No.EM54
BrandFLIR
MYR1,245.00
Each
units
Air Flow, Air Temperature, Air Velocity, Dew Point, Relative Humidity 30m/s ±3% + 0.8 km/h - Vane +60°C - ±2 °C Battery 9V 120 h - 284g 45mm
RS Stock No. 193-8696
BrandRS PRO
MYR633.79
Each
units
Air Flow, Air Velocity, Temperature 30m/s ±3 % 0.01m/s Vane +60°C - ±2 °C Battery 1.5V - - 200g 160mm