Check the listing for details. YSI 626902 ProDSS Conductivity and Temperature Sensor - Untested ^. Condition: Used. Listed at 213.85 USD. No returns. Being sold as is. We are not able to test these types of products. You will receive unit as shown in photos. The YSI 626902 is a digital smart sensor designed for measuring conductivity and temperature using the YSI ProDSS multiparameter water quality meter. It features a welded titanium construction and is compatible with the ProDSS, ProSwap Meter, and ProSwap Logger. Conductivity: Range: 0 to 200 mS/cm. Resolution: 0.001, 0.01 or 0.1 µS/cm (range dependent). Accuracy: ±0.5% of reading or 0.001 mS/cm (0 to 100 mS/cm), ±1% of reading (100 to 200 mS/cm). Temperature: Range: -5 to 70°C. Resolution: 0.1°C. Accuracy: ±0.2°C. Salinity: Range: 0 to 40 ppt. Resolution: 0.01 ppt. Accuracy: 1.0% of reading or 0.1 ppt. See Photos for Details Thank you for viewing out item.