The r4000sd measures air velocity, air temperature and has a built-in contact thermometer. Featuring automatic temperature compensation, data hold, max/min functions, and an easy-to-read backlit lcd display. Using a sd card max 16gb, a user can manually record up to 99 readings or automatically by selecting a desired sampling rate from 1 to 3600 seconds. Quickly generate an excel file with raw data, all without the use of software. Optional accessories include a tripod and ac adapter for continuous long-term monitoring. features: measures air velocity fpm, m/s, kph, mph and knots and air temperature contact temperature measurement with type j/k thermocouple option thermistor sensor for fast air temperature readings low friction ball-bearing, rotating vane probe ensures high accuracy readings real-time data logger with integrated sd memory card user selectable sampling rate from 1 to 3600 seconds easy-to-read backlit lcd display data hold and min/max functions tripod mount on probe and instrument for long-term monitoring low battery indicator and auto shut off package contents: data logging vane thermo-anemometer vane probe hard carrying case batteries

The r4000sd measures air velocity, air temperature and has a built-in contact thermometer. Featuring automatic temperature compensation, data hold, max/min functions, and an easy-to-read backlit lcd display. Using a sd card max 16gb, a user can manually record up to 99 readings or automatically by selecting a desired sampling rate from 1 to 3600 seconds. Quickly generate an excel file with raw data, all without the use of software. Optional accessories include a tripod and ac adapter for continuous long-term monitoring. features: measures air velocity fpm, m/s, kph, mph and knots and air tempe