FLY-1 Air Capture Hood adopts the pitot principle. It can measure automatically the multi-spots to the wind pressure in many times. Its average amount of wind is correct, fast and simple. It is widely used in mensurating the in-out wind of the air-conditioning and the purification technologie so that the systems can be administered and their parameters are adjusted automatically. It adopts the overseas vanguard technologies of the similar products. Every product will be proofreaded strictly in testing by the multi-spot amoun