Kestrel^® 3000 Pocket Weather Station

Minimum wind speed: 0.7 mph (0.6 knots, 1 km/h, 0.3 m/s, or 60 fpm). Maximum wind speed: 89 mph (78 knots, 144 km/h, 40 m/s, or 7,830 fpm). Wind speed accuracy: ±3%. Update: 1 second. Temperature and wind chill accuracy: ±1°C. Wind chill factor resolution: ±1°C. Relative humidity accuracy: ±3% from 5% to 95%. Dew point temperature accuracy: ±2°C. Heat index accuracy: ±3°C. Humidity sensor can be recalibrated in the field. Temperature resolution: ±0.1°F (±0.1°C). Operating temperature: -4°F to +140°F (-20°C to +60°C). Temperature range†: -20°F to +158°F (-29°C to +70°C). Impeller: 1˝ diameter, sapphire bearings, lightweight. Temperature sensor: hermetically sealed precision thermistor. Humidity sensor: silicon based capacitive sensor. Display: reflective 3-1⁄2 digit backlit LCD. Sealing: electronics enclosure IP67 – water resistant to 3 ft. Floats. Battery: user-replaceable CR2032 coin cell battery (included) with a typical life of 400 hours. Dimensions: 4.8˝ x 1.7˝ x 0.6˝.