The BM-03 sugar refractometer is an automated digital device designed to measure the sugar concentration in aqueous solutions. It requires only a few drops from beverages, food, or juice extracted from fruits and vegetables. Applications: Ideal for measuring the Brix of sugar-containing liquids and conducting rapid refractive index tests. Suitable for use in the food, agricultural, chemical, and manufacturing sectors. Usage fields: Sugar production, beverages, agricultural production, industrial manufacturing, scientific research, etc. Features: * High-definition digital display with automatic quick reading; * Automatic temperature compensation to minimize measurement errors; * Original imported chip; high light-transmission prism for enhanced accuracy; * Waterproof; designed with an IP65 rugged rating; * USB charging for convenience, eco-friendly and durable; * Lightweight and portable for easy on-site measurement of various juices or sugar-related liquids. Measurement Procedure: 1. Long press the power button; 2. Place the liquid sample into the sample tank, filling at least half of it (��0.3ml); 3. Press the measurement button to obtain results within 5 seconds; 4. Clean the sample tank before proceeding with the next measurement.