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 0.01Measures air velocity in m/sec, ft/min, km/hr, knots or mphMeasures volume in m/min (CMM) or ft/min (CFM)Measures temperature C or F55mm hi-contrast LCD display with backlight and function indicatorsDual display for velocity and temperature12 segment bargraph for velocityAverage multiple readings for velocity or flow volume for the last 30 readingsAuto power off after 15 minutes of no activityLow battery indicatorStandard " camera bush for tripod mountingSupplied with hard carry case and battery