The BOQU PXG-2085Pro Online Fluoride Ion Meter offers a new way of fluoride monitoring in different water application. The fluoride Ion analyzer adopts advanced ion-selective electrode (ISE) technology for online continuous monitoring of fluoride ion concentration in water effluent. The fluoride ion electrode of the PXG-2085Pro online fluoride ion meter made with a molded fluoride solid membrane.The working life of the fluoride ion electrode (ISE) is over one year, because the ion sensor membrane is special designed by BOQU Instrument and it can be replaced in period according to water quality at site.so it can save much maintenance cost.