Sugar Meter ATC 1-10% Brix Refractometer The RHB-10ATC, a traditional refractometer, is specially designed to work with sugar-related liquids such as low sugar fruits and vegetables juices, Reamsian Bodily Fluids (per the Reams Biological Theory of Ionization), Maple Sap or for synthetic or semi-synthetic coolants, soft drinks and wine (for machining and grinding coolants, please consult the Technical Data Sheet for appropriate concentration of fluid). It can help the user monitor the specific percentage of sugar concentration in food and beverages, and is especially practical for people involved with food harvesting, proceing and packaging. Using this device you can easily check the ripene of fruits in the field, or test the concentration of sugar in food and beverages to ensure product quality. It's FULLY EQUIPPED with ATC that automatically adjust itself to correct temperature discrepancies during use. Capable of measuring with high accuracy and provides precise results. It's equipped with vivid and sharp reticle chart for easy and comfortable reading. It uses ambient light only and no batteries are needed. Made by experienced craftsmen and are unlikely to break down! Get a simple, lightweight, handy and precise Brix Refractometer for your reliable sweets index Specifications: Measuring Range: 0-10% Brix Minimum Division: 0.1% Brix Accuracy: 0.10% ATCCompensationRange: 10C~30C (50F~86F) Manual calibration with mini-screw driver provided Length: 200mm Weight: 165g Durable and built to last long Uses ambient light only which means battery or power source is not required Heavy-duty and lightweight with its aluminum construction Easy to focus and calibrate Accurate testing results guaranteed Made with the highest and finest quality of aluminum & rubber that makes it lightweight* Cushioned with soft & comfortable non-slip rubber Proce quality and structure: 1. Approved with strict quality and safety standards. 2. Heavy-duty aluminum structure, durable and durable. 3. Made of the highest and highest quality aluminum and rubber to make it light. 4. The pad is soft and comfortable non-slip rubber, the product is not easy to deform. 5. Easy to focus and calibrate, easy to use. Calibration: 1 . Open daylight plate, and place 2-3 drops of distilled water on the main prism. 2 . Hold daylight plate in the direction of a light source and look into the eyepiece. 3 . Look into the eyepiece and turn the Calibration.Screw until the boundary between the upper blue field and the lower white field meet exactly on the zero scale Packing list 1 x Refractometer 1 x Pipette 1 x Screw Driver 1 x Cleaning Cloth 1 x Instruction Manual