1) Electrolysis cell : Solid Polymer Membrane type 2) H2 purity : > 99.9995% HC Free 3) Drying system : Replaceable desiccant column 4) Outlet Pressure : 7 bar 5) H2 flow rate (max) : 100, 140, 180 ml/min 6) Safety : Auto shut-off / Low internal volume (< 50ml) 7) User interface : Set points, system status, user parameter 8) Display : LCD display set points, status, alarms 9) Indicator lighters : Power ON, System OK, system error 10 ) Options : RS 485, Automatic filling of water tank 11) Water : Deionized or distilled > 10 M§Ù 12) Dimensions : 25 x 30 x 32 cm (W x H x D)