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Kestrel Instruments

USA Designed & Built Portable Environmental Instruments. Military Tough, Waterproof & They Float!

  • Kestrel 3550AG Pocket Delta T Crop Spraying Weather Meter -

    Basic 1000 to 3550 Meters

    Ease of use with only three buttons to operate. Waterproof, dropproof and come with a slip-on case. Check out the latest 3550AG and 3550FW models which include Bluetooth Low Energy Data Transfer.

  • Advanced 5000 - 5500 Meters

    Imagine a fully functional weather station in the palm of your hand. Add a vane mount and a tripod for accurate wind direction. The 5 series meters not only report real-time data but record it too. This data can be viewed on the meter or downloaded to a PC, MAC or smartphone (LiNK Models)

  • Kestrel DROP D3 Bluetooth Data Logger - Temperature | Humidity | Pressure -

    "DROP" Bluetooth Dataloggers

    Just drop it or hang it just about anywhere you need environmental data recorded. The DROP is waterproof so rain wont hurt it. Let it record data which you can retrieve later using the Kestrel app and your smartphone.

  • All Kestrel Instruments

    U.S.A. Designed & Built portable environmental instruments with quality and durability in mind. If you are serious about accuracy and you want an instrument that lasts, Kestrel's are for you.

  • Free Expedited Shipping

    All items ship for free in the U.S.A. Free 1-3 Day Shipping on many items. View Details

  • Discounted International Shipping

    Discounted & Insured shipping rates for our international customers.

  • Satisfaction Guaranteed

    Return your item (free in the U.S.A.) within 45 days for a full refund. View Details

Factory Authorized Kestrel Dealer.


I needed urgent for my K2 winter expedition. I was on the last min and needed the goods to be sent in Iceland. Their chat online worked 100% and I was able to add on one extra peace even after I checkout. They send with UPS same day and I had the package 3 days later here in Iceland. Extreme Meters works and has good service. I recommend them.

John Snorri


I ordered the Kestrel 3550FW meter. Received email notifications reporting the progression of my order up to delivery, which was much quicker than I'd expected. Couldn't be more pleased with the product and service.


Wildland Firefighter

Great customer service! Quick response on questions and fast shipment to Europe! These materials are the best! A very satisfied Belgian customer. I'll be shopping with you again. Thanks!



The service was prompt and cordial. The Kestrel is used to measure wind velocity and temperature when applying pesticides for agriculture crop production. It is also used to measure weather conditions for livestock comfort.

Arlyn Midtgaard

Agriculture Professional

Extreme Meters answered ALL my questions - were totally professional - were EXTREMELY respectful to me - were a REAL pleasure to chat with ALL BEFORE I PURCHASED THEIR PRODUCTS. MOST SINCERE THANK YOU AND APPRECIATED.

Michael Larkins

Weather Enthusiast