USB Anemometer, Digital Wind Meter, Air Velocity Tester, GT8907 Multifunction Wind Speed Temperature Gauge for Wind Chill, Air Flow Measurement

Specification: Model: GT8907 Wind speed measurement range:Unit Wind speed range Resolution Minimum threshold value Precision m/s 0.0~45.0 0.01 0.3 ±3%±0.1 Ft/min 0.0~8800 0.01/0.1/1 60 ±3%±20 Knots 0.0~88.0 0.01 0.6 ±3%±0.2 Km/h 0.0~140.0 0.01 1 ±3%±0.4 Mph 0.0~100 0.01 0.7 ±3%±0.2 Air volume measurement range: CFM: 0~999900 ft³/minCMM: 0~999900m³/ minUnit Range Resolution Area CFM(FT³/MIN) 0~999900 0.001~100 0.001~9999ft² CMM(M³/MIN) 0~999900 0.001~100 0.001~9999m² Unit conversion:m/s Ft/min Knots Km/h Mph 1m/s 1 196.87 1.944 3.60 2.24 1 ft/min 0.00508 1 0.00987 0.01829 0.01138 1 knot 0.5144 101.27 1 1.8519 1.1523 1km/h 0.2778 54.69 0.54 1 0.6222 1mph 0.4464 87.89 0.8679 1.6071 1 Air temperature: (1) temperature measurement rangeUnit Range Resolution Accuracy ℃ 0~45 0.1 ±1.0℃ ℉ 32~113 0.18 ±1.8℉ (2) Humidity measurement rangeUnit MIN/MAX Resolution Precision Test condition %RH 10-90 0.1 ±5% 90%RH without condensation Working current:Unit Description MIN/MAX TYP Test condition mA Working current 1: 15~20 18 backlight is off mA Working current 2: 20~25 23 backlight is on V Low battery indication 3.5 ~ 4.5 4 uA Power off current 0~8 5 Working environment:Temperature 0~5℃ (32~122℉) Humidity 40~80%RH Storage condition:Temperature -40~60℃(-40~140℉) Humidity 80%RH Power supply: 4x 1.5V AAA batteries (NOT included) Weight: 1214 g / 42.8 oz(approx.)

• The digital multi-function anemometer is a professional instrument for measuring wind speed, temperature, and humidity.
• It is widely used for wind speed measurement in factory, school, office, traffic, family and many other various occasions.
• Measuring the wind speed, air volume, temperature and humidity.
• Measuring wind speed/air volume max/min value function.
• Wind speed/air volume and temperature unit selection function.