Automatic Potentiometric Titrator LPTT-A11 is equipped with burette valve integrated design, to avoid mutual interference of different titrimetric solutions. Built in with large and bright LCD screen display. During operation, stirring system is adopted for adjusting the stirring speed. Microprocessor controlled system automatic potentiometric titrator is designed to make performing titrations easier, more reproducible and more reliable than manual titrations. It performs automatic identification of pH standard solutions, also supports manual identification.