Kestrel 3500 Delta T Pocket Weather Meter

Measures: Delta T. Current wind speed. Maximum wind gust. Average wind speed. Air, water and snow temperature. Wind chill. Relative humidity. Dewpoint. Heat stress index. Barometric pressure. Altitude. Wet bulb temperature. Features: Real-time clock. Protective cover with sure-grip overmolding. Data hold function. Large easy-to-read display with backlight. Waterproof and floats. Measure environmental conditions quickly and accurately. Forecast weather with pressure trend indicator. Reliable, portable and easy to use. Innovative humidity sensor designed for stability and accuracy in abrupt condition changes. Thermally adjusted humidity sensor. Patented user-replaceable impeller. Quick response, external thermistor. High precision pressure sensor. Humidity sensor can be recalibrated in the field with our Relative Humidity Calibration Kit. All instruments and accessories are completely assembled in the USA. Two-year warranty. Includes: Slip-on protective cover. Neck lanyard. CR2032 coin cell battery (Average life 300 hours). Kestrel Certificate of Conformity.