{"product_id":"digital-4-in-1-anemometer","title":"Digital 4-in-1 Anemometer — Wind Speed, Temperature, Humidity \u0026 Barometric Pressure","description":"\u003cp\u003e\u003cstrong\u003eFour atmospheric variables captured simultaneously — the same parameters that drive every weather model from local forecasts to global climate simulations.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWind speed measurement in this device uses a three-cup anemometer whose rotation rate (angular velocity) is linearly proportional to wind speed via Magnus-effect aerodynamics — a relationship Lord Kelvin quantified in the 1860s. The capacitive humidity sensor exploits the change in dielectric constant of a polymer film as water molecules adsorb, while the MEMS barometric sensor measures atmospheric pressure via piezoresistive strain in a microfabricated silicon diaphragm. Together these four channels provide the data for Beaufort-scale assessment, siting renewable energy systems, or full atmospheric soundings.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWind: 0–30 m\/s (0.1 m\/s resolution), Beaufort scale display\u003c\/li\u003e\n\u003cli\u003eTemperature: −10 to 60 °C (±0.5 °C); Humidity: 10–99% RH (±3%)\u003c\/li\u003e\n\u003cli\u003eBarometric pressure: 300–1100 hPa with altitude mode\u003c\/li\u003e\n\u003cli\u003eData logging to micro-SD; USB-C charging; backlit LCD + graphical trend display\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eEvery purchase directly funds independent physics research at the Golden Physics Project.\u003c\/em\u003e\u003c\/p\u003e","brand":"Golden Physics Project","offers":[{"title":"Default Title","offer_id":54144345473316,"sku":"GPP-MET-ANEMOMETER","price":79.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1007\/2879\/9524\/files\/960px-Wea00920.jpg?v=1781220452","url":"https:\/\/shop.goldenphysics.org\/products\/digital-4-in-1-anemometer","provider":"Golden Physics Project","version":"1.0","type":"link"}