Material: Metal + Plastic Measuring Range: 080% Minimum Unit: 1% Accuracy: 1% Reference Temperature: 20C Accessories: 1 x Measuring Device, 1 x Pipette, 1 x Cleaning Cloth, 1 x Screwdriver Note: 1. Accurate measurement requires proper calibration. Please calibrate the refractometer before first use. 2. Keep the refractometer dry and clean to ensure accuracy and longevity. EASY AND FAST MEASUREMENT: Alcohol refractometer for testing alcohol volume percentage in spirits such as brandy, whiskey, vodka, and other distilled alcoholic beverages. ACCURATE READINGS WITH ATC: Handheld alcohol refractometer features automatic temperature compensation (ATC), eliminating errors caused by ambient temperature fluctuations. Ensures reliable and repeatable results across varying conditions. PORTABLE AND VERSATILE: Compact optical instrument ideal for bartenders, alcohol producers, and food industry professionals. Scale range: 080% V/V (alcohol by volume), with 1% graduation. DURABLE CONSTRUCTION: Made from non-corrosive, non-reactive aluminum and plastic. Lightweight, scratch-resistant, and built for long-term use. WARNING: Not suitable for measuring wine or liquids high in sugar or other dissolved solids. Intended for alcohol concentration testing in distilled spirits only.