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Kestrel 3500 Pocket Weather Meter
The Kestrel 3500 is a rugged, multi-function handheld weather meter designed to measure a wide range of environmental variables. Compact and durable, it provides accurate readings for wind speed, temperature, humidity, and barometric pressure, making it suitable for outdoor professionals, sports shooters, and field researchers who require reliable environmental data for ballistic solutions and weather monitoring.
| Parameter | Resolution | Accuracy | Notes | |
|---|---|---|---|---|
| Wind Speed Range | 0.6 – 60.0 m/s | 0.1 m/s | ±3% of reading or ± least significant digit | Impeller-based |
| Temperature Range | –29 °C to +70 °C | 0.1 °C | ±1 °C | External isolated thermistor |
| Relative Humidity Range | 10% – 90% RH | 1% RH | ±3% RH | Humidity sensor |
| Barometric Pressure | 700 – 1100 hPa | 0.1 hPa | ±1.5 hPa | Pressure sensor |
| Altitude Range | –2000 to 9000 m | 1 m | ±7.2 m | Derived from barometric pressure |
| Dew Point (calculated) | 0.1 °C | ±1 °C (temp) ±3% RH | Derived from temp + humidity | |
| Heat Stress Index (calc.) | 0.1 °C | ±1 °C (temp) ±3% RH | Derived from temp + humidity | |
| Wet Bulb Temp (calc.) | 0.1 °C | ±1 °C (temp) ±3% RH | Psychrometric calculation | |
| Wind Chill (calculated) | 0.1 °C | ±1 °C (temp) ±3% wind speed | Derived from temp + wind speed | |
| Waterproof Rating | – | IP67 | Submersible up to 1 m for 30 minutes | |
| Drop Test Standard | – | MIL-STD-810G | Rugged durability | |
| Battery | – | – | 1 × CR2032 lithium | |
| Dimensions | – | – | 122 × 42 × 18 mm | |
| Weight | – | – | ~65 g |