... . Function setting;time setting range; 0-999 minutes,timing quantitative waterintaking, password protection 4. Security;Electricity-cut- ... purification column and super purified column need change, timing cycle to guarantee water quality, uv lamp alarming etc Optional ... .01um/0.05um,0.1um/0.2um)According to the requirements of clientsUsageelectrophoresis,endotxin analysis,immunocytochemical technique, ...