Kestrel 3550FW Pocket Fire Weather Meter with Bluetooth
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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, humidity, and wind chill, the Kestrel 3550FW helps assess fire conditions, predict behavior, and ensure the safety of personnel in the field.
Key Features:
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Comprehensive Weather Measurements:
- Wind Speed (Current, Average, Maximum Gust)
- Temperature
- Barometric Pressure
- Relative Humidity
- Wind Chill
- Heat Stress Index
- Dew Point Temperature
- Pressure Trend
- Altitude (Barometric)
- Wet Bulb Temperature (Psychrometric)
These essential metrics help you monitor critical weather conditions affecting fire behavior, giving you the information needed for safe and effective operations.
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Wind Direction & Compass:
The Kestrel 3550FW includes wind direction and a built-in compass, which are vital for assessing fire spread, determining firebreaks, and ensuring safe working conditions. -
Bluetooth Connectivity:
The Bluetooth functionality allows for wireless syncing of weather data to mobile devices, making it easy to monitor conditions remotely and keep accurate records. This feature is invaluable for real-time monitoring, data sharing, and compliance purposes. -
Waterproof & Floats:
Designed to withstand the harshest environments, the Kestrel 3550FW is waterproof and will float if dropped in water. This ensures that your weather meter stays operational even in challenging conditions, such as wet weather or near water sources. -
Made in the USA:
The Kestrel 3550FW is proudly designed and built in the USA, offering the durability and reliability needed for demanding fieldwork, whether you're managing wildfires or monitoring environmental conditions in extreme conditions. -
5-Year Manufacturer’s Warranty:
The Kestrel 3550FW is backed by a 5-year manufacturer’s warranty, providing peace of mind that you’re investing in a high-quality, long-lasting product. -
Data Hold Mode: The Hold Mode is helpful for capturing measurements when you're unable to view the display in real-time.
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High-contrast monochrome LCD display: Easily readable in direct sunlight.
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User-Replaceable Impeller: Every Kestrel Impeller is tested at high and low speeds. The impeller is easily replaced if needed.
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Slip-On Protective Cover: Keep your Kestrel protected when not in use with a hard cover that simply slides up the lanyard and over the Kestrel.
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.
Why Choose the Kestrel 3550FW at Extreme Meters?
- Fast, Reliable Shipping: We offer quick shipping for your Kestrel 3550FW order, ensuring you have the weather meter you need when you need it.
- Customer Support: At Extreme Meters, we provide excellent customer service and technical support, ensuring you get the most out of your Kestrel weather meter.
- Fast, Reliable Shipping: Enjoy quick and secure shipping, so you can start using your Kestrel 3550FW Wind Meter right away. We ship worldwide with care. Every shipment is insured for loss or damage during transit.
- Inventory: At Extreme Meters, we stock a wide range of Kestrel instruments to fulfill your needs. We typically ship within one business day. For bulk orders or specific models, if we don't have them available, we can have them shipped to you within just a couple of days for fast, dependable delivery.
- Family Owned and Operated Store (We care): As a family-owned store, every customer is important to us. Every order is handled from order entry to shipping by someone who has a vested interest in our customers happiness.
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Sensor Specifications
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Wind Speed |
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| Units of Measure: | mph | kt | B | m/s | ft/min / km/h |
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| Accuracy (+/-): | Larger of 3% of reading, least significant digit or 20 ft/min |
| Notes: | 1 inch|25 mm diameter impeller with precision axle and low-friction Zytel® bearings. Startup speed stated as lower limit, readings may be taken down to 0.4 m/s | 79 ft/min | 1.5 km/h | .9 mph | .8 kt after impeller startup. Off-axis accuracy -1% @ 5º off-axis; -2% @ 10º; -3% @ 15º. Calibration drift < 1% after 100 hours use at 16 MPH | 7 m/s. Replacement impeller (PN-0801) field installs without tools (US Patent 5,783,753). Wind speed calibration and testing should be done with triangle on impeller located at the top front face of the Kestrel. *F/S only in Ballistics units. Beaufort not available in Ballistics units. |
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Ambient Temperature |
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| Units of Measure: | Fahrenheit, Celsius |
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| Notes: | Hermetically sealed, precision thermistor mounted externally and thermally isolated (US Patent 5,939,645) for rapid response. Airflow of 2.2 mph|1 m/s or greater provides fastest response and reduction of insolation effect. Calibration drift negligible. Thermistor may also be used to measure temperature of water or snow by submerging thermistor portion into material -- remove impeller prior to taking submerged measurements and ensure humidity sensor membrane is free of liquid water prior to taking humidity-based measurements after submersion. |
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Pressure |
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| Units of Measure: | inHg, hPA, mb |
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| Notes: | Monolithic silicon piezo-resistive pressure sensor with second-order temperature correction. Between 1100–1600 mbar, unit will operate with reduced accuracy. Sensor may not operate above 1600 mbar and can be damaged above 6,000 mbar or below 10 mbar. Calibration drift is negligible for the life of the product. |
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Relative Humidity |
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| Units of Measure: | % |
| Specification Range: | 5 to 95% 25°C non-condensing |
| Operational Range: | 0 to 100% |
| Resolution: | 0.1 %RH |
| Accuracy (+/-): | 3%RH |
| Notes: | To achieve stated accuracy, unit must be permitted to equilibrate to external temperature when exposed to large, rapid temperature changes and be kept out of direct sunlight. Calibration drift is typically less than ±0.25% per year. |
Calculated Measurements
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Wind Chill |
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Barometric Pressure |
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Altitude |
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Dew Point |
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Wet Bulb Temperature - Psychrometric |
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Heat Index |
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