The AET-935 is a remote vane thermo-anemometer that measures air velocity and temperature. The 75mm vane has a 1.5m coiled connection cable and plug. An ideal instrument for ventilation surveys, air conditioning, heating and environmental monitoring. 0.4 to 30m/sec x 0.1 Measures air velocity in m/sec, ft/min, mph, km/hr or knots Measures volume in m/min (CMM) or ft/min (CFM) Measures temperature C or F 35mm hi-contrast LCD display with backlight and function indicators Dual display for velocity and temperature 16 segment bargraph for velocity Data hold, min/max hold for airflow and temperature Average function based on the last 10 seconds Low battery indicator Auto power off after 15 minutes of no activity 2 Year warranty Supplied with soft carry case and battery