The new adjustable Pressured gas blowing concentrators overcome the handicap causes by poor distribution of the nitrogen flow that results it can not blowing the samples at the same time.

• 新品可调型氮吹仪克服了以往氮吹仪中氮气流量不均而导致样品不能同时吹干的缺点，每路都配有流量调节装置，使流量的控制更加简便。