... .max five points calibration function 4.can set buffer 5.Ion Analyzer Characteristics:1.Novel touching LCD screen;2.With multi ... ) function, can set buffer solutions groups by yourself3.With major ion mode, such as: H+,Ag+,Na+,K+,NH4+,CI-,F ... .000~19990)mg/L,mol/L,PX6.Set self-defining ion mode, and can also measure the other ion7.With RS ...