Digital Sugar Refractometer Measure sugar content from 0% to 55% with ±0.2% accuracy, The Digital can clearly and accurately display the measured sugar content and the automatic temperature compensation measurement data is more accurate, Ideal for wine, juice, beer, and beverage production needing reliable results. Sugar Content Meter simply perform a zero calibration at initial use, add the sample, close the cover, and the start button to get the value displayed on the screen, Features include One-Key , Automatic Shutdown, and Brightness Adjustment for effortless calibration and energy efficiency. 0-55% Meter with ATC Get precise readings instantly with our fast-response sensor, perfect for busy environments like kitchens, wineries, or breweries. No Need for Complicated Instructions-this Refractometer Makes Everyday and Professional Use Simple and Efficient. Rechargeable Refractometer No batteries needed! This digital meter features a rechargeable design, making it eco-friendly, Compact and , This Refractometer Is Easy to Take Anywhere, Boasts a high-definition display for fast readings and is equipped with a 600mAh rechargeable battery, with USB charging. Meter Built to resist splashes and spills, this refractometer ensures safe and continuous operation even in damp or high-moisture environments, Zero Calibration Is Straightforward-just Use Distilled Water to Recalibrate in Seconds, Ensuring Your Measurements Remain Accurate Every Time Color: As Shown Material: plastic Package Contents: 1 x hand grip dynamometer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.