{"title":"Wet Bulb Globe Temperature","description":"\u003cp\u003e\u003cspan class=\"ILfuVd\"\u003e\u003cspan class=\"e24Kjd\"\u003eThe \u003cb\u003ewet\u003c\/b\u003e-\u003cb\u003ebulb globe temperature\u003c\/b\u003e (\u003cb\u003eWBGT\u003c\/b\u003e) is a type of apparent \u003cb\u003etemperature\u003c\/b\u003e used to estimate the effect of \u003cb\u003etemperature\u003c\/b\u003e, humidity, wind speed (wind chill), and visible and infrared radiation (usually sunlight) on humans. \u003c\/span\u003e\u003c\/span\u003e\u003cstrong\u003e\u003cspan class=\"ILfuVd\"\u003e\u003cspan class=\"e24Kjd\"\u003eThe following meters measure Wet Bulb Globe Temperature\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e","products":[{"product_id":"kestrel-5400fw-fire-weather-meter-pro-wbgt-with-link-compass-vane-mount","title":"Kestrel 5400FW Fire Weather Meter Pro","description":"\u003ch4\u003eThe Kestrel 5400FW Fire Weather Meter offers all the same measurements and capabilities as the standard Kestrel 5400 Heat Stress Tracker, making it ideal for athletic, occupational, and heat safety monitoring\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eAll this while also providing powerful additional tools specifically for wildland firefighting.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eJust like the 5400, the 5400FW measures and reports temperature, humidity, wind speed, and WBGT (Wet Bulb Globe Temperature) for accurate heat stress and environmental monitoring in sports, military, and industrial settings.\u003c\/p\u003e\n\u003cp\u003eIn addition, the 5400FW includes advanced fire-weather features such as \u003cstrong\u003eFine Dead Fuel Moisture (FDFM)\u003c\/strong\u003e and \u003cstrong\u003eProbability of Ignition (PIG)\u003c\/strong\u003e — critical indices used by wildland firefighters to evaluate ignition risk and fire behavior potential in the field. The 5400FW now includes \u003cstrong\u003eVapor Pressure Deficit (VPD)\u003c\/strong\u003e. \u003cstrong data-start=\"77\" data-end=\"202\"\u003eVPD quantifies the gap between the moisture currently in the air and the maximum moisture the air can hold at saturation.\u003c\/strong\u003e This measurement reveals the atmosphere’s drying potential—one of the most important drivers of fuel moisture (FM). Because FM is fundamental to wildfire behavior and management, being able to estimate it accurately in the field—without relying on time-consuming laboratory analysis—marks a major operational advancement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIn short, the Kestrel 5400FW does everything the 5400 does — and more.\u003c\/strong\u003e It’s the perfect choice for anyone who needs reliable heat stress tracking and the added capability to assess fire weather conditions.\u003c\/p\u003e","brand":"Kestrel","offers":[{"title":"Default Title","offer_id":18812944837,"sku":"0854FWLVCORA","price":649.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0344\/1457\/products\/kestrel-5400fw-fire-weather-meter-pro0854fwlvcoraextrememeterscom-396252.jpg?v=1685904102"},{"product_id":"kestrel-5400ag-cattle-heat-stress-tracker-with-link-vane-mount","title":"Kestrel 5400AG Livestock Heat Stress Tracker with LiNK + Vane Mount","description":"\u003ch5\u003eCattle heat stress can sharply reduce production and lead to economic losses.\u003c\/h5\u003e\n\u003cp\u003eImplement an effective management plan based on objective and accurate THI, HLI and AHLU measurements at the pen level with Kestrel. Rugged hand-held meter can also be mounted with included hardware for longer term monitoring of heat events.\u003c\/p\u003e\n\u003ch5\u003eKestrel 5400AG Cattle Heat Stress Tracker with LiNK + Vane Mount Overview\u003c\/h5\u003e\n\u003cp\u003eThe Kestrel 5400 Cattle Heat Stress Tracker offers micro-climate measurement and monitoring at the pen or yard location. Contains a built-in Globe Temperature sensor and complete cattle-specific calculations. Measure THI and HLI and track AHLU based on easy-to-input herd and pen parameters. Perform spot checks or mount in place with the included vane mount accessory to track AHLU for months.  LiNK capability allows remote access to current and logged data from your iOS or Android mobile device. Mount a mobile data equipped tablet nearby to send mobile alerts even when you’re not on-site. Designed by Kestrel with input from some of the world’s most respected experts in cattle heat stress, the Kestrel 5400 Cattle Heat Stress Tracker is designed to help you MEASURE and MANAGE your herd’s heat stress, ensuring you MAXIMIZE your bottom line.\u003c\/p\u003e","brand":"Kestrel","offers":[{"title":"Default Title","offer_id":23331426949,"sku":"0854AGLVCHVG","price":649.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0344\/1457\/products\/kestrel-5400ag-livestock-heat-stress-tracker-with-link-vane-mount0854aglvchvgextrememeterscom-590038.jpg?v=1685904091"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0344\/1457\/collections\/wet-bulb-globe-temperature-595317.jpg?v=1685902593","url":"https:\/\/www.extrememeters.com\/collections\/wet-bulb-globe-temperature\/naturally-aspirated-wet-bulb-temperature.oembed","provider":"Extreme Meters LLC.","version":"1.0","type":"link"}