Kestrel Weather and Environmental Meters - Kestrel 5400 WBGT Heat Stress Tracker (HST) & Weather Meter || The Kestrel 5400 Heat Stress Tracker is the most user-friendly WBGT meter on the market.
![Kestrel 5400 Heat Stress Tracker 6 1/2" x 2 3/8" x 1 1/8" (165 x 59 x 28 mm) from Cole-Parmer United Kingdom Kestrel 5400 Heat Stress Tracker 6 1/2" x 2 3/8" x 1 1/8" (165 x 59 x 28 mm) from Cole-Parmer United Kingdom](https://pim-resources.coleparmer.com/item/l/kestrel-0854ora-heat-stress-tracker-6-1-2-x-2-3-8-x-1-1-8-165-x-59-x-28-mm-3795412.jpg)
Kestrel 5400 Heat Stress Tracker 6 1/2" x 2 3/8" x 1 1/8" (165 x 59 x 28 mm) from Cole-Parmer United Kingdom
![Amazon.com: Kestrel 5400 Heat Stress Tracker Pro with Link, Compass and Vane Mount, Orange : Sports & Outdoors Amazon.com: Kestrel 5400 Heat Stress Tracker Pro with Link, Compass and Vane Mount, Orange : Sports & Outdoors](https://m.media-amazon.com/images/I/51gbmNqxTRL._AC_.jpg)