Insize Handheld Alcohol Refractometer The Insize 5812-BJ90 Refractometer is designed for accurate and efficient measurement of alcohol concentration by weight in beverages such as wine, vodka, and whisky. With its durable construction, precise optics, and easy-to-read scale, this handheld instrument provides quick testing results, making it a trusted tool for laboratories, wineries, breweries, and distilleries. Specifications : Part No: 5812-BJ90 Measuring Range: 0–50%W/W, 50–80%W/W Accuracy (20°C): ±1%W/W (0–50%), ±2.5%W/W (50–80%) Resolution: 1%W/W (0–50%), 2.5%W/W (50–80%) Dimensions (L×W×H): 24×40×198mm Weight: 194g Features: Eyepiece, calibration screw, lens and cover plate, clear reading scale Applications: Alcohol content measurement in wine, spirits, and laboratory analysis Compact, precise, and dependable, the INSIZE 5812-BJ90 ensures accurate alcohol concentration measurement for professional and industrial applications.