The salinity meter is used for fast measuring liquid salinity values and display the temperature of the object to be tested simultaneously. Which widely used in salt manufacturing, food, beverage and other industrial and agricultural production and scientific research. Features: Dual Functions: for rapid measuring the salinity and temperature of the tested liquid. Salinity Measuring: 0~199.9ppt measurement range, 0.1ppt resolution, and +/-2percent F.S accuracy. Temperature Measuring: -50~70 celsius (-58~158 Fahrenheit ) measurement range, 0.1 celsius (0.2 Fahrenheit ) resolution, and +/-1.0 celsius (+/-2 Fahrenheit ) accuracy, celsius / Fahrenheit temperature unit switchable. Reliable Quality: high sensitivity waterproof probe smart chip for fastly and accurately measurement, and clearly LCD screen dual display the salinity and temperature. Portable Compact Design: mini pen type salinity meter, just powered by 4pcs LR44 button cell batteries, long term standby, conveniently for carrying around and real-time measurement anytime anywhere. Wide Applications: can be used in the salt manufacturing, food, beverage and other industrial and agricultural production and scientific research. Operating Steps: 1.Remove the protective cap. 2.Wash electrodes in distilled water, and dry it by filter paper. 3.Switch on the salinity meter. 4.Put electrode into liquid which is to be test, and stir lightly. Wait until the digital is stable, read the final value. 5.Wash the electrode after use, and put on the protective cap. Specifications: Material: ABS Range: Salinity: 0~199.9ppt Temperature: -50~70 celsius (-58~158 Fahrenheit ) Resolution: Salinity: 0.1ppt Temperature: 0.1 celsius (0.2 Fahrenheit ) Accuracy: Salinity: +/-2percent F.S Temperature: +/-1.0 celsius (+/-2 Fahrenheit ) Temperature Compensation: 0~50 celsius Operating Temperature: 0~50 celsius Power Supply: 4 * 1.5V LR44 button battery (NOT included) Mini Screwdriver Size: 91 * 10mm / 3.19 * 0.39in Item Size: 192 * 38 * 38mm / 7.56 * 1.50 * 1.50in Item Weight: 70g / 2.48oz Package Weight: 145g / 5.12oz Package Size: 25 * 10.5 * 5cm / 9.84 * 4.13 * 1.96in Packing List: 1 * Salinity Meter 1 * Mini Screwdriver 1 * Manual (English)