Computer software for the automation of processes used for the electro-chemical cleaning of sensors; data communications hardware; computer hardware; weighing, measuring, signalling, electric and electrochemical display, electric and electrochemical control, electric and electrochemical monitoring and supervision apparatus and instruments; transducers; immersion fittings and flow fittings and housings for the aforesaid goods; impedance transformers; PH value simulators and MV simulators for t...