Product Details  Digital anemometer is widely used in indoor heating, indoor ventilation, air control and meteorological measurement.  QDF-6 Digital anemometer(also known as hot-QDF-6-type ball-wire anemometer) can be measured in different environments, under different conditions of airflow, and are particularly suited for a variety of low-flow measurements.  QDF-6 the main features of digital anemometer compact design, small size, stable performance, easy to carry, easy to operate.   QDF-6 uses digital anemometer is widely used in indoor heating, indoor ventilation, air control and meteorological measurement. Apply to factories, schools, a variety of different types of public places, entertainment, shopping malls, hotels, hospitals, office space, research institutions, biological chemicals, pharmaceutical, crop cultivation, greenhouse agriculture and so detection industries is warm Qualcomm, air-conditioning, environmental engineers, right-hand man, an essential tool. Specifications   Range: 0-30 m / s   Work Environment:   Temperature: -10 -40   Humidity: ≤ 85%   Pressure: 970-1040 HPA axis   Measurement Accuracy:   Error: ≤ ± 3% error of the overall work environment   Error: ≤ ± 5% error of large-scale probe deviation of ± 15%   Response time: ≤ 3 Miao   Display: 4 digits   Power Supply: DC 5 - 6V the   Resolution: 0.01 m / s   Size: 190 (L) * 90 (W) * 40 (H) mm   Weight: 380g