... sterilization(Optional automatic sterilization procedures)Control system: Siemens PLC, industrial LCD touch computer control, parameters can be set to store, ... circulating pump(Grundfos, Denmark), autocontrol (cooling water+5°C)~65°C±0.1°C,temperature probe(US) pH detection and control 2.00 ... -12.00±0.05pH, autocontrol by adding acid and base, ...