1. Wide range of applications: This water quality meter provides highly accurate measurements of EC, SALT, TEMP, and SG. 2. High precision: This water meter has high precision and a wide measuring range. Salinity and temperature can be measured simultaneously. 3. Temperature compensation: This salinity meter is designed with temperature compensation as temperature can affect accuracy. 4. Automatic shutdown: This water meter automatically shuts off after 5 minutes of inactivity, saving energy. 5. Large LCD screen: This salinity meter is equipped with a large LCD screen that can display 4 digits and the corresponding physical quantity. Specification: Product type: Digital salinity meter Material: ABS Range: CE: 0 to 19900us/cm. 0 to 199.0 ms/cm (SEL 785) Salt: 0 to 10000 ppm, 0 to 199.9 ppt SG: 0.990 to 1.400 Temperature: 0 to 80 ℃ (32 ℉ to 176 ℉) Resolution: CE: 1us/cm (1000us/cm) 0.1 ms/cm Salt: 1 ppm (1000 ppm), 0.1 ppt SG: 0.001 Temperature: 0.1 ℃ (0.2 ℉) Accuracy: TDS, EC, Salt: ±2%F. Temperature: ±1.0 ℃ Battery: 3 x 1.5 V (AG 13) (battery not included) Temperature compensation: 0 ℃ to 50 ℃. Operating temperature: 0 ℃ to 50 ℃ Product size: approx. 235 x 45 x 45 mm / 9.3 x 1.8 x 1.8 inches (manual measurement, minor errors may occur) Application: Ideal for pH testing in home and laboratory, including drinking water, swimming pools, ponds, beer brewing, kombucha, aquariums, hydroponics, laboratories, food processing, etc. Packing list: 1 x Digital salinity meter