Anemometers

An anemometer is a device used that is used to measure the speed of wind and is a common weather station instrument. 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 spraying or burning
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    Täpsem kirjeldus Brand Stock Measurement Parameters Maximum Air Velocity Best Air Velocity Accuracy Air Velocity Resolution Probe Type Maximum Temperature Temperature Measurement Resolution Best Temperature Measurement Accuracy Battery Type Battery Life Dimensions Weight Height Model Number p Width Length Maximum Operating Temperature Minimum Operating Temperature
    Beha-Amprobe TMA5 20m/s Max Air Velocity Air Velocity, Humidity, Temperature Anemometer Beha-Amprobe 0 Air Velocity, Humidity, Temperature 20m/s ±5 % - - +50°C 0.1°C ±1 °C CR2032 - 136 x 45.7 x 17mm 135g 17mm TMA5 45.7mm 136mm +50°C 0°C
    FLIR Vane Air Flow, Air Temperature, Air Velocity, Dew Point, Relative Humidity Anemometer Flir 0 Air Flow, Air Temperature, Air Velocity, Dew Point, Relative Humidity - ±3% + 0.8 km/h - Vane +60°C - ±2 °C 9V Battery 120 h 275 x 65 x 45mm 284g 45mm - 65mm 275mm +50°C 0°C
    TMA-21HW Hotwire 30m/s Max Air Velocity Air Flow, Air Velocity, Humidity, Temperature Anemometer Beha-Amprobe 0 Air Flow, Air Velocity, Humidity, Temperature 30m/s ±3 % - Hotwire +60°C - ±0.5 °C AAA 10 h 361 x 216 x 64mm 1kg 63.5mm TMA-21HW 216mm 360.7mm +40°C 0°C
    Kestrel KESTREL 1000 Rotary Vane 40m/s Max Air Velocity Air Velocity Anemometer Kestrel 240 Air Velocity 40m/s ±3 % 0.1m/s Rotary Vane - - - CR2032 300 h 122 x 42 x 20mm 65g 20mm KESTREL 1000 42mm 122mm +55°C -10°C
    RS PRO IM-740 Rotary Vane 25m/s Max Air Velocity Air Velocity, Temperature Anemometer RS Pro 175 Air Velocity, Temperature 25m/s ±2 % 0.1m/s Rotary Vane +50°C 0.1°C ±1 °C AAA 50 h 135 x 48 x 23mm 80g 23mm IM-740 48mm 135mm - -
    RS PRO RS1340 Hotwire 30m/s Max Air Velocity Air Flow, Air Volume Anemometer RS Pro 116 Air Flow, Air Volume 30m/s ±3 % 0.1m/s Hotwire - - - AAA 10 h 72 x 35 x 150mm 235g 150mm RS1340 35mm 72mm +50°C 0°C
    RS PRO AVM-01 Vane 45m/s Max Air Velocity Air Velocity Anemometer RS Pro 114 Air Velocity 45m/s ±3 % 0.1m/s Vane +60°C 0.1°C ±0.8 °C 9V 50 h 88 x 26 x 168mm 350g 168mm AVM-01 26.2 (Meter) mm, 29.2 (Vane) mm 66 (Vane) mm, 88 (Meter) mm +50 (Meter) °C, +60 (Vane) °C 0 (Meter) °C, 0 (Vane) °C
    Instruments Direct XPLORER 1 Rotary Vane 42m/s Max Air Velocity Air Velocity Anemometer Instruments Direct 98 Air Velocity 42m/s ±3 % 0.027m/s Rotary Vane - - - CR2032 - - - 17mm XPLORER 1 - - - -
    Kestrel KESTREL 2000 Rotary Vane 40m/s Max Air Velocity Air Velocity, Temperature, Wind Chill Anemometer Kestrel 55 Air Velocity, Temperature, Wind Chill 40m/s ±3 % 0.1m/s Rotary Vane - 0.1°C ±1 °C CR2032 300 h 122 x 42 x 18mm 65g 18mm KESTREL 2000 42mm 122mm +55°C -10°C
    RS PRO AVM-09 Vane 45m/s Max Air Velocity Air Velocity, Temperature Anemometer RS Pro 54 Air Velocity, Temperature 45m/s ±3 % 0.01m/s Vane +45°C 0.2°C ±1 °C 9V 50 h 88 x 26 x 168mm 350g 168mm AVM-09 26.2 (Meter) mm, 29.2 (Vane) mm 66 (Vane) mm, 88 (Meter) mm +50 (Meter) °C, +60 (Vane) °C 0 (Meter) °C, 0 (Vane) °C
    Testo Testo 410-1 NTC, Rotary Vane 20m/s Max Air Velocity Air Velocity, Temperature Anemometer Testo 30 Air Velocity, Temperature 20m/s ±2% + 0.2 m/s 0.1m/s NTC, Rotary Vane - 0.1°C ±0.5 °C AAA x 2 100 h 133 x 46 x 25mm 110g 25mm Testo 410-1 46mm 133mm +50°C -10°C
    Instruments Direct XPLORER 2 Rotary Vane 42m/s Max Air Velocity Air Velocity, Temperature Anemometer Instruments Direct 26 Air Velocity, Temperature 42m/s ±3 % 0.027m/s Rotary Vane - 0.1°C ±0.5 °C CR2032 - 93 x 41 x 17mm 50g 17mm XPLORER 2 41mm 93mm - -
    Testo Testo 405i Thermal 30m/s Max Air Velocity Air Velocity, Temperature Anemometer Testo 21 Air Velocity, Temperature 30m/s 5 % 0.01m/s Thermal +60°C 0.1°C ±0.5 °C AAA Micro 15 h 200 x 30 x 41mm - 41mm Testo 405i 30mm 200mm +50°C -20°C
    Kestrel 0855YEL Impeller 40m/s Max Air Velocity Air Flow, Altitude, Density, Density Altitude, Dew Point, Evaporation Kestrel 19 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 AA Lithium 400 h 45 x 28 x 127mm 121g 127mm 0855YEL 28mm 45mm +55°C -10°C
    RS PRO AM-4204 Hotwire 20m/s Max Air Velocity Air Velocity Anemometer RS Pro 17 Air Velocity 20m/s ±5 % 0.1m/s Hotwire - 0.1°C ±0.8 °C AAA x 6 - 180 x 72 x 32mm 355g 32mm AM-4204 72mm 180mm - -
    Testo Testo 417 NTC, Rotary Vane 20m/s Max Air Velocity Air Velocity, Temperature, Volume Air Flow Anemometer Testo 16 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 9V 50 h 277 x 105 x 45mm 230g 45mm Testo 417 105mm 277mm +50°C 0°C
    Kestrel 3500 Impeller 40m/s Max Air Velocity Weather Meter Anemometer Kestrel 15 Weather Meter 40m/s ±3 % 0.1m/s Impeller +55°C 0.1°C ±0.5 °C CR2032 300 h 42 x 18 x 122mm 65g 122mm 3500 18mm 42mm +55°C -10°C
    Kestrel KESTREL 3000 Rotary Vane 40m/s Max Air Velocity Air Velocity, Altitude, Dew Point, Heat Index, Pressure, Kestrel 15 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 CR2032 300 h 122 x 42 x 18mm 65g 18mm KESTREL 3000 42mm 122mm +55°C -10°C
    Testo Testo 405 NTC, Thermal 10m/s Max Air Velocity Air Velocity, Temperature, Volume Air Flow Anemometer Testo 12 Air Velocity, Temperature, Volume Air Flow 10m/s ±5% + 0.3 m/s 0.01m/s NTC, Thermal - 0.1°C ±0.5 °C AAA x 3 20 h 490 x 37 x 36mm 115g 36mm Testo 405 37mm 490mm +50°C 0°C
    Kestrel 0852HVG Impeller 40m/s Max Air Velocity Air Flow, Altitude, Density, Density Altitude, Dew Point, Evaporation Kestrel 10 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 AA Lithium 400 h 45 x 28 x 127mm 121g 127mm 0852HVG 28mm 45mm +55°C -10°C
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