Handheld optical refractometer for quick, reliable sugar-content testing using the principle that liquids with different concentrations have different refractive indices. Key benefits Fast, simple measurements: place a few drops of liquid on the prism, focus, and read the value directly from the built-in scale. Ideal for rapid checks and routine testing. Reduced temperature error: built-in automatic temperature compensation (ATC) covers 10–30 °C, so readings stay consistent across typical working temperatures. Easy to use and maintain: straightforward focusing and simple calibration keep the instrument usable for operators of all skill levels. Portable and practical: compact handheld design lets you take measurements on-site rather than sending samples to a lab. What it does and how it helps Measures sugar concentration by detecting differences in refractive index, giving a direct visual reading on the scale for fast decision-making. Eliminates guesswork during processes where sugar level matters (production pace, taste consistency, quality control). Saves time compared with laboratory methods while providing repeatable, on-the-spot results. Important attributes Function: optical refractometer for measuring sugar content in liquids. Temperature compensation: built-in ATC effective across 10–30 °C to minimize temperature-related variation. Usability: easy to focus and calibrate; direct scale readout for immediate interpretation. Form factor: compact, handheld instrument suitable for field and bench use. Practical applications (examples) Home and microbrewing: check sugar levels during mashing and before fermentation to help predict alcohol potential and fermentation progress. Food and beverage quality control: monitor sugar content in fruit juices, syrups, and sauces to maintain consistent taste and recipe standards. Small-scale winemaking and jam production: verify sugar concentration at key production stages to reach target sweetness and stability. What you can expect A reliable tool for routine sugar-content checks that reduces the need for delayed lab testing. Easy calibration and focusing procedures to keep measurements consistent across different users and batches. Practical on-site use thanks to its handheld design and built-in ATC for the common working temperature range of 10–30 °C.