Best Anemometers: 11 Powerful Picks for Accurate Wind & Airflow Testing
Eleven anemometers compared on sensor type, stated speed range, accuracy and volume flow, covering hot wire duct probes and vane weather meters.
Read Guide→Weather Stations
Temperature, humidity, light, sound, weather and data loggers.
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Buying Guides
How to Choose a Barometer for Environmental Monitoring
A MEMS pressure sensor with ±1 hPa accuracy, logging, and a clear idea of whether you want station or sea-level pressure.
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How to Choose a Weather Meter for Field Work
Wind, temperature, humidity, pressure and the derived numbers you actually need: wind chill, heat index, dew point, altitude.
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How to Measure Air Velocity in a Vent
Face the vane square to the flow, traverse the grille in a grid, average, multiply by free area. Ten minutes per vent.
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How to Choose an Environmental Meter
One handheld for airflow, temperature, humidity, light and sound. Worth it when you need all five occasionally.
Read Guide→How to Choose an Anemometer for HVAC Work
Vane for grilles, hot-wire for ducts and hoods, flow calculation built in, and a temperature reading you will use.
Read Guide→Product Reviews
Extech EN300 Review: Five-in-One Environmental Meter for Field Work
A handheld meter measuring air velocity, light, relative humidity, temperature and sound level, with a large LCD, data hold and min/max, on standard batteries.
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Vane vs Hot-Wire Anemometers: What Is the Difference?
Vanes for grilles and wind; hot-wires for low speeds and small holes. Each has a blind spot.
Read Article→What Is an Anemometer and What Does It Measure?
Air speed, and from it airflow: the number behind vents, fans, fume hoods and weather.
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Why Condensation Forms on Windows
Glass is the coldest surface in the room, and it is below the dew point of the air you are breathing.
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