ProMinent instrument is for measurement and control of chemicals which are dosed in water treatment applications. Examples include pH, free chlorine, total chlorine, redox (ORP), chlorine dioxide, ozone, bromine, conductivity, temperature , hydrogen peroxide and peracetic acid.

ProMinent is the worlds largest supplier of chlorine probes, specialising in amperometric and potentiostatic cells which have membranes and encapsulated electrolyte. ProMinent chlorine residual analysers are used by most water authorities throughout Australia and are renowned for their simplicity and reliability.