The AET-955 remote vane thermo-anemometer measures air velocity, airflow volume and temperature. The detachable 75mm vane has a 1.5m coiled connection cable and plug. An ideal instrument for ventilation surveys, air conditioning, heating and environmental monitoring. 0.3 to 45m/sec x 0.01 Measures air velocity in m/sec, ft/min, km/hr, knots or mph Measures volume in m/min (CMM) or ft/min (CFM) Measures temperature C or F 55mm hi-contrast LCD display with backlight and function indicators Dual display for velocity and temperature 12 segment bargraph for velocity Average multiple readings for velocity or flow volume for the last 30 readings Auto power off after 15 minutes of no activity Low battery indicator Standard " camera bush for tripod mounting Supplied with hard carry case and battery