Mini digital anemometer 0 to 45m / s uni-t UT-363 Mini digital anemometer small detector, light, practical and ergonomicapplications: wind farms, environmental research, geological / land surveying, outdoor and sports (eg. golf), uses simple in scope HVAC (heating, ventilating and air conditioning = heating, ventilation and air conditioning). Technical specifications:Wind speed range: 0 to 30m / sWind speed accuracy: ± (5% rdg + 0.5)Resolution wind speed: 0.1m / stemperature range: -10 ° c to 50 ° c (14 ° f to 122 ° f)acuratezza temperature: ± 2 ° C (± 4 ° f)Temperature resolution: 0.1 ° CBeaufort Wind Scale: 0 to 12 levelsBeaufort Wind Scale accuracy: ± 1 levelsampling rate: 2 / s Special functions:data holdAuto Power Off (5min)low battery indicationmeasuring max / averagebacklit LCD display (32x26mm)button Wind speed unit selection: m / s; km / h; ft / min, knots, mphbutton selection ° C / ° foverload indication general characteristics:Power: 3xAAA 1.5v batteries (included)weight: 118grsize: 160x50x28mminstruction manual