Description:- This refractometer provides large measurement range that reaches up to 0-90% brix with 0.5%Brix resolution! It can be used to test much kind of solution! - Specially designed for people involved with food harvesting， processing and packaging， to measure or test the concentration or refractive index of liquids and work with sugar-related liquids such fruits and vegetables juices and sugar in food and beverages to ensure product quality， Bodily Fluids (per the Reams Biological Theory of Ionization)， and Maple Sap or for synthetic or semi-synthetic coolants (for machining and grinding coolants， please consult the Technical Data Sheet for appropriate concentration of fluid)， monitor the specific percentage of sugar concentration in food and beverages， and can easily check the ripeness of fruits in the field. - And because it uses ambient light only， no batteries or power source is necessary to view the chart clearly. It uses ambient light only and no batteries are needed. Made by experienced craftsmen and are unlikely to break down!If you grow your own fruit and vegetables， and produce wines or juices， this Brix refractometer will give you the information that you need to ensure your end products' quality – all the way through the process:- Check the ripeness of fruit whilst it’s growing- Verify the quality after picking or harvesting- Control the concentrates during processingThis refractometer is specifically created for brewing of BEER but it can also be great for:- Fruits， vegetables & grasses: monitor and control sugar concentrations in foods， beverages， crops and plants， checking the “ripeness”of fruit in the field and verifying product quality after harvesting and/or controlling concentrations during processing and packaging to ensure product quality - Wine or beer: use Brix readings to get wort sugars and help determine finished alcohol readings (for alcohol reading， best use in conjunction with a hydrometer) - Metalworking fluids: helps in maintenance of CNC coolants and water soluble drawing & stamping compounds and commonly used for controlling the concentration of various industrial fluids like cutting lubricants and flux rinsing compounds Features:- Equipped with scale measurement which provides direct reading - Approved by strict quality and safety standards - Durable and built to last long - Easy to focus and calibrate - Accurate testing results guaranteed - Made with the highest and finest quality of Copper & rubber - Cushioned with soft & comfortable non-slip rubber - Extremely easy-to-use and calibrateNote:This refractometer DO NOT EQUIPPED with ATC(Automatic Temperature Compensation).Reference Temperature: 20°CSpecifications:- Measuring Range: 0-90%Brix- Minimum Division: 0.5%Brix - Reference Temperature: 20°C- Manual calibration with mini-screw driver provided- Weight: 165gPackage Included:- Portable Refractometer- Mini Screw Driver- Suction tube- Soft protective carrying case- English User Manual