... and automatically control parameters of temperature, rpm, pH, DO, feed, foam and etc. It possesses functions of digital setting, ... It has commucation connection which can communicate with computer.Struction: From lab scale to pilot scale, floor stand ,two different ... 2.Eletrode check, peristaltic pump automatically add defoamer. 4 Feed control 1.Maunally control; 2.Automatically add according to fixed ...