Evaluation of the measurement performance of water meters depending on water quality

Abstract Water meters of different types and sizes are used to monitor bill the water supply. Although is drinking quality, its chemo-physical properties often adversely affect measuring behaviour a meter after while. There thus risk that they no longer meet legal requirements may be used. In this paper test regime with focus on pH, total hardness particle load presented which allows tested closer their operating conditions prior placing them market. The goes beyond conventional continuous durability as described in OIML R49:2013(E) ISO 4064:2014. feasibility reliability has been demonstrated through implementation at facilities. study, measurement performance various from manufacturers was also investigated. A heterogeneous spread errors found for both, mint those were exposed defined quality. Furthermore, compared test, developed study generally leads stronger changes error meters.