Product characteristics: nn•Intelligent sensor water analysis device to check the status of the pool and weather information in real timenn•2-season lifespannn•Specific for the Blue Connect intelligent analyzernn•The sensor can be easily replaced without toolsnn•It measures important parameters: temperature, pH, disinfectant level and salt content in the water Original sensor replacement for Fluidra's Blue Connect smart water analyzer. Pt sensor (platinum probe). Compatible with pools and hot tubs that use chlorine or bromine. Au sensor (gold probe). Compatible with pools and spas that use chlorine, bromine or salt. The pipe must be replaced approximately every two years. Specification: Reference: 7015R003Dimensions: 18 x 6 x 5 cm; 20 Grams