LZKW Digital Refractometer - High Precision Handheld Brix Meter for Milk, Fruit, Food & Beer Testing | Ideal for Brewing, Agriculture & Quality Control

Feature:1. Brix refractometer has a wide measurement range and is suitable for almost any sugar‑containing substance.2. 0 to 50％ high range detection, high accuracy, resolution, and wide application.3. Elegant color and stylish design, compact size and portable, easy to carry anywhere and anytime.4. With automatic temperature compensation function, ranging from 10℃ to 40℃.5. Power saving, after 3 minutes without any operation, it will automatically turn off the power.Specification:Item Type: RefractometerMaterial: PlasticColor: As shown in the pictureProduct Size: Approx.121x58x25mm/4.76x2.28x0.98inWeight: Approx.313g/11ozRange: 0 to 50% Brix / 0 to 80°C Resolution: ±0.1% Brix/±0.1°C Accuracy: ±0.2% Brix/±0.3°C Automatic Temperature Compensation: 10-40°C.Measuring Time: About 1.5 secondsMinimum Sample Size: 2 metric dropsLight Source: Yellow LEDAutomatic Power Off: After 3 minutes of non-operationPower Supply: 1 x AAA battery (not included)Start using after installing the batteryCalibration method: The instrument only supports pure water calibration. The calibration method is as follows:1. Drop 4-5 drops of purified water into the drip opening2. Press the "Calibration" key for 2 seconds to enter the calibration state.3. Press the "Calibration" button once to start calibration.If you don't press any button, it will return to the power-on state after 10 seconds.4. After the calibration is completed, you can put the liquid to be measured on the drip port, close the lid, and the reading will be displayed for a momentPackage List:1 x Refractometer(Battery Not Included)1 x Dropper1 x Instruction Manual1 x Protective CaseNotice:1. Please allow 1‑2in error due to