Digital 5 in 1 Water Quality Tester

EC Conductivity Test Range: 0 to10000uS/cm ,10.01-19.99ms, 20.1-400mS/CM Resolution: 1uS/cm; 0.1mS/CM Accuracy: ±2% of the reading TDS Solubility Test Range: 0 to 1000ppm 1000ppm to 10000ppm 10.1 to 200.0ppt Resolution: 1ppm; 0.1ppt Accuracy: ±2% of the reading Edible salt salinity Test Range: 0.00 to 25.00% Resolution: 0.01% Accuracy: 0.01-5.00% (±0.1%), 5.10-25.00% (±1%) Seawater salinity Seawater salinity Test Range: 10.1-200.0ppt Resolution: 0.1ppt Accuracy: ±2%F.S.