Feature: 1. Using Methods: Take a few drops of distilled water, place them on the testing prism, and turn the zero adjusting screw to adjust the dividing line to 0% of the scale. Then wipe the testing prism for testing. 2. Sugar Content Measuring: Brix meter refractometer is designed for measuring sugar content in fruit, soybean milkhoney, maple syrup and other sugary drink. 3. Adjustable Lens: When the scale in the eyepiece is not clear, it can be adjusted by gently rotating the eyepiece. Cover plate can protect prism and make measurement more stable 4. Accurate Measurement: Clear display for intuitive data reading, fast detection, accurate measurement, convenient use. It's 0‑80% large scale range makes it be suitable in wider field. 5. Portable: This 0‑80% brix refractometer is in light weight and compact size, portable for using anywehere and anytime. Specification: Item Type: Brix Meter Refractometer Material: Plastic, Aluminum Gross Weight: 244g / 8.6oz Test Range: 0‑80% Size: 14.5x4x4cm / 5.7x1.6x1.6in Applications: Sugar content measuring of fruit, soybean milk, sugary drinks. Package List: 1 x Brix Refractometer1 x Straw1 x Lens Cloth1 x Screwdriver1 x Instructions1 x Plastic Box