DescriptionSalinity Refractometer Sugar Tester, is good enough to serve for a long time as long as it is well cared. Whether users are checking the \ripeness\ of fruit in the field, verifying product quality after. Using it in a gentle way, avoiding falling, dropping or any kinds of breaks, clean it after using and put it back in the box. The meter is designed for measuring the concentration of sugar solutions and other non-sugar solutions. It is widely applied in measuring soybean milk concentration, sugar manufacturing, food and beverage. Besides, it is also suitable for measuring the concentration of many other sauce products or fruits, such as soybean sauce, ketchup, jam, honey and so on. From fruit planting to sale, it can help to determine the appropriate harvest period and contribute to classifying the sweetness degree. As for other functions, it can be used to control the concentration of various industrial solution. Please Note don't expose the instrument to damp working conditions or immerse the instrument in water. If the instrument becomes foggy, water has entered the body. Erma Metal and Polypropylene Hand Refractometer (20 cm x 8 cm x 20 cm, Black) 0~100 Salinity.