BRTSys provides several sensor adapters for water quality monitoring such as pH, EC, DO, ORP besides water level and thermocouple sensors. We have curated 3rd party sensor probes that are compatible with our adapters and this guide can be found at the following link: https://brtsys.com/ldsbus/wp-content/uploads/sites/8/2023/05/BRTSYS_LDSBus_Probes-Specifications.pdf