Description
Kestrel 2500NV Pocket Weather Meter – USA-Built, Waterproof, Compact Weather Monitoring with Wind Speed, Temperature, Pressure, and Night Vision Backlight
The Kestrel 2500NV Pocket Weather Meter is a compact and powerful tool designed to give you accurate weather measurements no matter where your adventures take you. Built in the USA, this handheld meter is engineered for precision and durability, providing essential weather data such as wind speed, temperature, and barometric pressure. Whether you're hiking, sailing, or working in the field, the Kestrel 2500NV has the reliable features you need to stay informed. The Kestrel 2500NV 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.
Why Choose the Kestrel 2500NV?
Whether you’re hiking through the mountains, hunting, fishing or working in the field, the Kestrel 2500NV Pocket Weather Meter delivers accurate wind speed, temperature, and barometric pressure measurements in a compact, waterproof design. With its night vision-preserving backlight and floating capabilities, it’s ready for any adventure, day or night.
Features
Sensor Specifications
Sensor Specifications
| Wind Speed | |
| Selections: | 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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| Selections: | 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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| Selections: | 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. |
Calculated Measurements
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Wind Chill |
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Barometric Pressure |
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Altitude |
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