Kestrel 3550FW Pocket Fire Weather Meter with Bluetooth PETZL Accessories We find it to be

We find it to be a snug fit for the Kestrel 4000 / 5000 series meters other than the 4400

The DROP D3 measures three critical environmental parameters: temperature

Research & Technology

Waterproof to IP67 (3'/1M for 30 minutes)

A zoom thumb-lever for making quick and smooth magnification changes is featured

Kestrel 3550FW Pocket Fire Weather Meter with Bluetooth PETZL Accessories We find it to beKestrel 3550FW Fire Weather Meter Essential for Firefighting and Wildland Fire Management Built in the USA, Waterproof, Floats, Bluetooth The Kestrel 3550FW Fire Weather Meter is a powerful, USA made tool designed to provide crucial weather data for firefighting, wildland fire management, and outdoor safety. Whether you're on the front lines of a wildfire or monitoring conditions in the field, this rugged, waterproof, and floating weather meter