... digital setting, quick validation, data display, data storage, data print, password management and so on. It has commucation connection which can ... for fermentor No. Parameter name Technical indicator 1 PH 1.On-line check and measure, and digitization fully automatic control; 2.PH ... gauge, manually control, range 0-0.4Mpa. 9 Air flow Display on the rotormeter. Remarks: the table is only for reference, ...