Adjustment instrumentation

Swimming pool water contains pathogenic and non-pathogenic microorganisms that are risky to human health, and therefore needs balanced chemical treatment to minimize microbiological risk. The standard UNI 10637:2016, provides some specific requirements regarding measurement and regulation of disinfection treatments for classes A, B and C (facilities for collective use), while UNI EN 10713 indicates requirements for class D (facilities for private use). Disinfection treatment is carried out through the metering of substances, regulated on a regional basis.

Equipment intended for measuring and regulating pH (type A, B, C range 4.5-8.5pH; type D range 6.8-7.6pH) and the representative disinfection parameter, must have an output signal to drive dosing systems, particularly for type A pools, proportional control is preferred.

FIP M9.00 series monitors, for type A, B and C plants, combined with CLF6 series sensors and, in case of significant changes in pH value, with 200 series pH electrodes, fully comply with this requirement that free chlorine concentration be between 0, 6 and 5 mg/l.

For more modern plants that use Chlorine Dioxide for chlorination, even with in situ production systems, Aliaxis also offers the CLD6 series amperometric sensor range, dedicated to the direct measurement of this parameter without the need to combine it with pH monitoring.

For D-type plants, the 200 series pH and ORP electrodes can be used for the purpose of monitoring the evolution of organic pollution in the tank water and to drive disinfectant dosing equipment (RedOx >650mV).