GEO-AQUpro Multiparameter Water Quality Probe

Up to 11 sensors (9 + temperature and pH ref) from the following list: Temperature, Optical Dissolved Oxygen, Specific Conductance, Salinity, Total Dissolved Solids (TDS), pH, ORP, Depth, Turbidity, Chlorophyll a, Rhodamine, Blue-Green Algae, CDOM / FDOM, Optical Brighteners, Tryptophan, Fluorescein, Refined oil, Crude oil, Ammonium, Nitrate, Chloride, Sodium, Total Dissolved Gas (TDG), up to 5 User Configurable Parameters (calculated e.g. TSS).