QL型气体净化器为三级串联式升级净化装置。被净化（或干燥）气体经过三级升级净化（或干燥）后，能满足各类使用高纯气体的分析仪器和其他设备的要求。The QL Gas Purifier is designed as three-level upgrading purification equipment in tandem type. The gases, purified (or dried) through the three-level upgrading purification process, can satisfy the requirements of all analyzers and other equipments for highly purified gases.