Build Your Own YSI ProSwap Water Quality System Please select your meter, your cable assembly, and your probes for a complete kit. ProSwap Meter · 0 selected YSI ProSwap Handheld Digital Water Quality Meter YSI ProSwap Handheld Digital Water Quality Meter Item #: 76505 – In Stock $1,171.59 $0.00 YSI ProSwap Handheld Digital Water Quality Meter with GPS YSI ProSwap Handheld Digital Water Quality Meter with GPS Item #: 76506 – In Stock $1,474.40 $0.00 ProSwap Cable Assemblies · 0 selected YSI ProSwap 4m 1 Port Cable with Temperature YSI ProSwap 4m 1 Port Cable with Temperature Item #: 76510 – In Stock $1,196.29 $0.00 YSI ProSwap 10m 1 Port Cable with Temperature YSI ProSwap 10m 1 Port Cable with Temperature Item #: 76511 – In Stock $1,236.19 $0.00 YSI ProSwap 4m 1 Port Cable with Depth and Temperature YSI ProSwap 4m 1 Port Cable with Depth and Temperature Item #: 76512 – In Stock $1,628.30 $0.00 YSI ProSwap 10m 1 Port Cable with Depth and Temperature YSI ProSwap 10m 1 Port Cable with Depth and Temperature Item #: 76513 – In Stock $1,672.95 $0.00 ProDigital Smart Sensors · 0 selected YSI ProDSS Turbidity Smart Sensor YSI ProDSS Turbidity Smart Sensor Item #: 76729 – In Stock $1,201.28 $0.00 YSI ProDSS pH/ORP Smart Sensor With Module YSI ProDSS pH/ORP Smart Sensor With Module Item #: 76730 – In Stock $625.58 $0.00 YSI ProDSS pH Smart Sensor with Module YSI ProDSS pH Smart Sensor with Module Item #: 76731 – In Stock $491.63 $0.00 YSI ProDSS ODO Optical Dissolved Oxygen Smart Sensor YSI ProDSS ODO Optical Dissolved Oxygen Smart Sensor Item #: 76732 – In Stock $1,092.03 $0.00 YSI ProDSS Nitrate Smart Sensor with Module YSI ProDSS Nitrate Smart Sensor with Module Item #: 76733 – In Stock $625.58 $0.00 YSI ProDSS Conductivity and Temperature Smart Sensor YSI ProDSS Conductivity and Temperature Smart Sensor Item #: 76734 – In Stock $764.51 $0.00 YSI ProDSS Chloride Smart Sensor with Module YSI ProDSS Chloride Smart Sensor with Module Item #: 76735 – Out of Stock $625.58 $0.00 YSI ProDSS Ammonium Smart Sensor with Module YSI ProDSS Ammonium Smart Sensor with Module Item #: 76736 – In Stock $625.58 $0.00 YSI ProDSS Total Algae-Phycocyanin (TAL-PC) Smart Sensor YSI ProDSS Total Algae-Phycocyanin (TAL-PC) Smart Sensor Item #: 76700 – Out of Stock $3,499.56 $0.00 YSI ProDSS Total Algae-Phycoerythrin (TAL-PE) Smart Sensor YSI ProDSS Total Algae-Phycoerythrin (TAL-PE) Smart Sensor Item #: 76787 – Pre-order $3,499.56 $0.00 ProSwap Accessories · 0 selected YSI Small Hard-Sided Carrying Case for YSI Pro Solo and ProDSS Series YSI Small Hard-Sided Carrying Case for YSI Pro Solo and ProDSS Series Item #: 76697 – In Stock $327.75 $0.00 YSI ProDSS Hard Sided Carrying Case YSI ProDSS Hard Sided Carrying Case Item #: 76746 – In Stock $422.04 $0.00 Calibration Solution · 0 selected 1 mg/L YSI Ammonium Calibration Solution 1 mg/L YSI Ammonium Calibration Solution Item #: 76524 – In Stock $95.95 $0.00 10 mg/L YSI Ammonium Calibration Solution 10 mg/L YSI Ammonium Calibration Solution Item #: 76525 – Out of Stock $95.95 $0.00 100 mg/L YSI Ammonium Calibration Solution 100 mg/L YSI Ammonium Calibration Solution Item #: 76526 – Out of Stock $95.95 $0.00 1 mg/L YSI Nitrate Calibration Solution 1 mg/L YSI Nitrate Calibration Solution Item #: 76527 – In Stock $95.95 $0.00 10 mg/L YSI Nitrate Calibration Solution 10 mg/L YSI Nitrate Calibration Solution Item #: 76528 – Out of Stock $95.95 $0.00 100 mg/L YSI Nitrate Calibration Solution 100 mg/L YSI Nitrate Calibration Solution Item #: 76529 – In Stock $95.95 $0.00 YSI Confidence Solution, 475 mL YSI Confidence Solution, 475 mL Item #: 76304 – In Stock $20.59 $0.00 YSI 0 FNU Turbidity Calibration Standard YSI 0 FNU Turbidity Calibration Standard Item #: 78042 – Out of Stock $180.98 $0.00 YSI 12.4 FNU Turbidity Calibration Standard YSI 12.4 FNU Turbidity Calibration Standard Item #: 78046 – Out of Stock $342.48 $0.00 YSI 124 FNU Turbidity Calibration Standard YSI 124 FNU Turbidity Calibration Standard Item #: 78044 – Out of Stock $376.20 $0.00 YSI 1000 FNU Turbidity Calibration Standard YSI 1000 FNU Turbidity Calibration Standard Item #: 78043 – Pre-order $420.85 $0.00 Total · 0 items selected $0.00 Clear All Items Add Items To Cart