1. This refractometer is a professional instrument used to measure moisture, sugar concentration, and the whiteness of honey. It is easy to calibrate and the scale can be clearly read. 2. Features: - Made of high - quality materials, it is light in weight, small in size, and easy to carry. - It has automatic temperature compensation. - It is very accurate, with clear calibration and easy to read. - The rubber handle is non - slip and comfortable to hold. - It is a professional instrument used to measure moisture, sugar content, and the degree of honey spoilage. 3. Operating methods: - Open the cover and gently wipe and inspect the prism with a soft cloth. - Take a few drops of the test solution and drop them on the detection prism. Gently close the cover to avoid air bubbles and make the solution cover the entire surface of the prism. - Aim at the light source or bright spot. Observe the scale through the eyepiece with your eyes and rotate the eyepiece adjustment wheel. - Make the blue - white line of sight clear. The dividing line of the scale value is the concentration of the solution. 4. Specifications: - Condition: 100% brand new. - Materials: Aluminum, rubber. - Color: As shown in the picture. - Measuring range: - Brix: 58 - 90%. - Moisture content: 12 - 27%. - Baume degree: 38 - 43 degrees. - Brix measurement accuracy: 1%. - Length: Approximately 14.5 cm/5.71 inches. - Weight: Approximately 227 grams/8.01 ounces. 5. Package list: - 1 * Refractometer. - 1 * Pipette. - 1 * Screwdriver. - 1 * Instruction manual. - 1 * Cleaning cloth. 6. Notes: - Please use this instrument according to the instructions and handle it with care. Do not disassemble any connecting parts at will. Prevent strong impacts, vibrations, and drops. - Wipe the instrument with a clean and soft cloth. Do not clean it directly in water to avoid surface scratches. - Store the instrument in a dry and rust - free place. - Keep the parts properly. - Due to manual measurement, a 1 - 3 cm error is allowed. Thank you for your understanding. - The display is not calibrated. The color of the items shown in the photo may be slightly different from the actual object. Please refer to the actual object. 7. Package list: - 1. Made of high - quality materials, light in weight, small in size, and easy to carry. - 2. Has automatic temperature compensation. - 3. Highly accurate and clearly calibrated for easy reading. - 4. The rubber handle is non - slip and soft and comfortable. - 5. A professional instrument for measuring honey moisture and sugar content.