Features: 1. It displays the salinity value precisely, compact size and light weight, easy and portable to carry, convenient to use. 2. The waterproof salinity meter is a precision instrument for testing the salinity value of a solution. 3. This is a multi-functional tester, not only can measure salinity but also temperature. 4. Widely used in salt, food, beverage and other industrial departments and agricultural production and scientific research. 5. Its full-featured performance, easy operation and make it the best choice for rapid, accurate salinity testing in laboratories, sites and schools. Specification: Condition: 100% Brand New Item Type: Salinity Meter Material: ABS Model: SA-1397 Salinity Measurement Range: 0-100.0 PPT Temperature Measurement Range : 0 ℃ to 50 ℃ Salinity Accuracy: ±2% FS Temperature Accuracy : ± 1℃ Salinity Resolution: 0.1PPt Temperature Resolution : 0.1 ℃ Automatic Temperature Compensation: <95% Environment Temperature: 0℃-50℃ Battery: 4 x 1.5V（AG13）(Not Included) Size: Approx. 188 x 37 x 20mm / 7.4 x 1.5 x 0.8in Weight: Approx. 264g / 9.3oz Package List: 1 x Salinity Meter 1 x Instruction 1 x Screwdriver