PHW3988 Multiparameter Water Quality Tester APP Remote Control PH EC TDS SALT S.G Temperature Meter Online Monitor Item Type: Water Quality Tester Material: ABS Product Size: Approx. 130 x 77 x 31 mm / 5.1 x 3 x 1.2 in Power Supply: DC6V Range: PH: 0.00-14.00pH EC: 0-19000us/cm, 0-199.0ms/cm TDS: 0-19990ppm, 0-199.0ppt SALT: 0-199.9ppt, 0%-20% S.G: 0.990-1.400 Temp: 0℃-50℃ (32℉-1220℉) Resolution: PH 0.01PH EC: 1us/cm(<1000us/cm), 10us/cm(>1000us/cm), 0.1ms/cm TDS: 1ppm(<1000ppm), 10ppm(> 1000ppm), 0.1ppt SALT: 1ppm(<1000ppm), 10ppm(>1000ppm), 0.1ppt, 0.01% S.G: 0.001 Temp: 0.1°C (0.2°F) Accuracy: PH: ±0.03pH EC TDS SALT: ±2%F.S Temp: ±1.0°C Weight: Approx. 970g / 34.2oz Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store