Kestrel 3500 Delta T Weather Meter

Measures wind speed, temperature, relative humidity, barometric pressure and altitude. Special model designed specifically for the agriculture industry, which automatically calculates Delta-T to determine acceptable spraying conditions. Displays wind speed in km/h, m/s, mph, fpm, knots or beaufort. Displays temperature in either Celsius or Fahrenheit. Displays humidity in % (RH). Large display with backlight. Data hold function. Waterproof, floats and includes lanyard and ergonomically designed hard cover. Patented user-replaceable impeller. Quick response external thermistor. Thermally adjusted humidity sensor. Made in USA.