1. hydrogen output: 150/300/500 ml/min 2. H2 purity: 99.999% 3. PEM technology. No chiemical 4. Pass CE certificate 1. Introduction:The PEM series hydrogen generator , producing highly pure hydrogen by utilizing PEM( Proton Exchange Membrane) technology to electrolyze pure water (no adding alkali), are light,highly effective, energy saving, and of environmental protection, and they are advanced ...