JAPPY Ultimate Environmental Measuring Instrument Series Digital Anemometer AM-01U-JP

Measurement range: Wind speed 0.4 to 20 m/s, ambient temperature -10 to 50 degrees C / Resolution: Wind speed 0.1 m/s, ambient temperature 0.1 degrees C Measurement accuracy: Wind speed ±(0.2m/s+2%rdg), ambient temperature ±0.5 degrees C (0~45 degrees C), ±1% (other than those listed on the left) Sampling: 1 time/second Operating temperature and humidity: 0 to 50 degrees Celsius, 70% RH or less (but no condensation) Storage temperature and humidity: -20 to 60 degrees C, 80% RH or less (but no condensation) Dimensions and weight: (Main unit) W50 x H129.2 x D20.6 mm, (With protective cover) W50.9 x H132.9 x D24.7 mm, approx. 135 g (With protective cover, including batteries) Power supply: 2 AAA (1.5V) batteries Battery life: Approximately 40 hours of continuous use (when using alkaline batteries) Instruction manual, strap, protective cover