Product Code: 605105 The YSI® 605105 is a replaceable chloride ion-selective electrode (Cl⁻ ISE) designed for the YSI Professional Seriesportable water quality meters. It provides rapid, direct measurement of chloride concentrations in freshwaterapplications, making it ideal for environmental monitoring, wastewater treatment, aquaculture, surface water studies, and research. The sensor is field-replaceable without tools, reducing downtime and simplifying maintenance. The YSI 605105 is compatible with: YSI ProQuatro YSI Professional Plus (Pro Plus) (legacy model) YSI 60510 ISE cable YSI 6051020 ISE/DO cable YSI 6051030 ISE/Conductivity cable YSI 605790 Quatro field cable A compatible Pro Series cable/probe assembly is required for operation. Key Features: Measures chloride concentrations directly in the field. User-replaceable sensor design requires no tools. Fast response for routine freshwater monitoring. Rugged construction for field use. Integrates seamlessly with YSI Professional Series handheld meters. Designed for reliable portable water-quality analysis.