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The Kestrel 3500NV Pocket Weather Meter is a must-have for hunters, fishermen, outdoor adventurers, and field professionals who need accurate, on-the-go weather measurements. Designed and built in the USA, this reliable, waterproof, and floating weather meter provides precise data for wind speed, temperature, humidity, barometric pressure, wind chill, heat stress, and more. Whether you're in the field, on the water, or preparing for unpredictable weather, the Kestrel 3500NV ensures you're equipped with the essential weather data to stay safe and make informed decisions.
The Kestrel 3500NV Pocket Weather Meter is an essential tool for hunters, fishermen, and anyone working outdoors. With a range of features including wind speed, temperature, humidity, heat stress, wind chill, and more, this pocket-sized weather meter helps you stay safe and make informed decisions in the field. Its waterproof design, floating capability, night vision backlight, and USA-made durability make it the ideal choice for all outdoor activities, from hunting trips to fishing expeditions. No matter the weather, the Kestrel 3500NV has you covered.
Sensor Specifications
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. |
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. |
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. |
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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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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