About the Kestrel 3550FW Pocket Fire Weather Meter with Bluetooth

Kestrel 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 ensures you have the most accurate and reliable data at your fingertips. With key measurements including wind speed, temperature, relative humidity, and wind chill, the Kestrel 3550FW helps assess fire conditions, predict behavior, and ensure the safety of personnel in the field. The Kestrel 3500FW allows for easy switching between mph, km/h, ft/min, m/s, knots, Beaufort as well as Fahrenheit, Celsius. Pressure readings include inHg, hPA, mb.

"Kestrel readings are consistent and accurate. I like the fuel moisture tables. They are easy to use and the tool is durable and weather-proof. It fits in just about any size pocket or can be tied to a vest or shoulder harness for convenient access."
-Michael W.
Wildland Firefighter

The Kestrel 3550FW meter has Bluetooth capability for wireless viewing, sharing, and exporting of weather data through the use of the Kestrel app on a mobile device. To access all available features, download the Kestrel app from the app store.

Ideal for Wildland Firefighters, Fire Management, and Outdoor Safety

The Kestrel 3550FW Fire Weather Meter is an essential tool for anyone involved in wildland firefighting, fire management, or outdoor activities that require precise and reliable weather monitoring. With its wide range of weather measurements, Bluetooth connectivity, waterproof construction, and ability to float, the Kestrel 3550FW is designed to meet the demands of the field. Whether you're predicting fire behavior, managing wildfires, or ensuring the safety of personnel, this meter provides the data you need to make informed, timely decisions.

    Features

    Comprehensive Monitoring: Consistently accurate measurements of barometric pressure, altitude, dew point, heat stress index, relative humidity, temperature, wind speed and direction, wind chill, temperature and wet bulb readings.

    Capture Real-Time Data: Easily view, and record data in real-time on a mobile device with the free Kestrel app.

    Send Detailed Reports: Export and send detailed weather reports with GPS location via text or email for vital fire weather data management.

    Reference Cards: Includes an easy-to-read Probability of Ignition (PIG) and Fine Dead Fuel Moisture (FDFM) reference card.

    Measures
    • Wind Speed
    • Average Wind Speed
    • Maximum Wind Gust
    • Current Wind Speed
    • Temperature
    • Barometric Pressure
    • Relative Humidity
    • Wind Chill
    • Heat Stress Index
    • Dew Point Temperature
    • Pressure Trend
    • Altitude (Barometric)
    • Wet Bulb Temperature (Psychrometric)
    • Wind Direction
    • Bluetooth
    What else is included?
    • (1) CR2032 Lithium Battery
    • Instructions
    • Lanyard
    • Certificate Of Conformity (Spec Sheet)
    • Protective Cover - Hard Slip-on
    Downloads | Manuals | Specifications

    Kestrel Instruments

    Designed and Built in the USA. Kestrel Instruments are known for their accuracy, toughness, and reliability in the field. Trusted by professionals worldwide for precision weather measurement and environmental data logging.

    FAQs

    What makes Kestrel meters different from other weather instruments?

    Kestrel meters combine rugged durability, precision engineering, and field-proven reliability in a compact design. Built for professional use in harsh environments, they deliver accurate real-time data for weather monitoring, environmental research, and outdoor operations. Unlike consumer-grade instruments, Kestrel meters are engineered to withstand extreme conditions while maintaining measurement accuracy that professionals depend on. Kestrel instruments are trusted by meteorologists, researchers, outdoor enthusiasts, and industrial teams worldwide for their consistent performance and dependable results in the field.

    What warranty coverage do your Kestrel Instruments include, and what is not covered?

    Kestrel Instruments include a full 5-year limited lifetime warranty against defects in materials and workmanship under normal use. Coverage includes the meter body, display, and internal components. The warranty does not cover damage from misuse, neglect, unauthorized repair, water immersion beyond rated specifications, battery leakage, or wear from normal operation. Accidental drops, extreme temperature exposure, and chemical exposure are also excluded. For specific coverage details and warranty registration, please contact our support team or consult your product documentation.

    What makes Kestrel meters suitable for professional field work?

    Kestrel meters are engineered for demanding field conditions with rugged construction, precision sensors, and reliable performance in extreme environments. Built to withstand harsh weather, dust, and impact, they deliver accurate environmental data in real-time—whether you're monitoring livestock conditions, conducting agricultural research, or managing outdoor operations. Their compact design, intuitive interface, and long battery life make them practical tools for professionals who need dependable measurements without compromise.

    What is your shipping policy?

    We offer worldwide shipping with competitive rates calculated at checkout. Orders typically ship within 1-2 business days. Domestic US orders arrive in 3-7 business days via standard carriers; international delivery times vary by destination, typically 7-21 business days. All orders include tracking information. We partner with UPS, FedEx, and USPS to ensure reliable delivery of your precision instruments. For expedited options or specific shipping questions, contact our support team see our estimated delivery dates offered at checkout for each shipping selection.

    Who manufactures Kestrel Instruments products and what is your company background?

    Kestrel Instruments are manufactured by Nielsen-Kellerman, a leader in precision environmental measurement based in Pennsylvania, USA. Our partnership combines Nielsen-Kellerman's 40+ years of engineering expertise with Extreme Meters' commitment to delivering rugged, field-tested instruments to professionals worldwide. Together, we ensure every meter meets the highest standards for accuracy and durability.

    What is your return policy?

    We offer a 45-day return window from the date of purchase. Items must be unused, in original packaging, and in resalable condition. Return shipping is the customer's responsibility unless the item arrived damaged or defective. Once we receive and inspect your return, refunds are processed within 5-7 business days. For international orders, please contact our support team to discuss return options, as duties and shipping costs may apply. Damaged or defective items are eligible for replacement or full refund at no cost.

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