Handheld Alcohol Refractometer 0‑80percent Antifreeze Tester for Spirit Alcohol Volume Percent Measurement

Feature: 1. Calibration Screw and Cover Plate: Drip distilled water on the prism, and turn the zero adjustment screw to adjust the dividing line to 0percent of the scale. The cover plate is used to guard the prism and make the measurement more stable. 2. Adjustable Eyepiece: When the scale is not clear, gently rotate the eyepiece for adjustment. The antifreeze refractometer is fast in detection, accurate in measurement and clear in display. 3. Quick and Easier: Just 2 or 3 drops and wait for few seconds and get the accurate value. No battery required, less samples than a traditional hydrometer, more affordable than a digital meter. 4. Main Function: It is designed for testing Spirit Alcohol Volume Percent, ideal for Brandy, Whisky, Vodka etc. Not recommend for wine or others which contains much sugar and other ingredients. 5. Portable and Durable: This antifreeze tester is made of aluminum and plastic, which is durable and resistant to abrasion. Lightweight and convenient to carry and easy to use. Specification: Item Type: Antifreeze Refractometer Material: Plastic, aluminum Weight: Approx. 259g 9.14oz Size: 19.5x3.9x3.9cm 7.68x1.54x1.54in Measuring Range: 0 80percent Minimum Unit: 1percent Accuracy: + 1percent . Package List: 1 x Antifreeze Refractometer1 x Straw1 x Lens Cloth1 x Screwdriver1 x Instruction1 x Plastic Box