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SA-21397 Waterproof EC/TDS/Salinity/Temperature Multi-Parameter Tester Technical Specifications Salinity EC TDS Temperature Range 0~100.0ppt 0~20000μS, 0~20.00mS 0~20000ppm 0~20.00ppt 0~50°C Accuracy ±2%FS (EC, TDS, Salt) ±0.5°C Resolution 0.1ppt 10μS/ 0.01mS 10ppm/ 0.01ppt 0.1°C Automatic Temperature Compensation 0~50°C Calibration Solution 35ppt 12.88ms/cm Operating Temperature 0~60°C Battery 2 x 1.5V (2 AAA batteries) Dimensions 210 x 32 x 36 mm Weight 85 g