RZ120 Handheld Brix Refractometer Sugar Tester for Beer Wine Fruit Juice 0-32% ATC Features: 1. Aluminum body, sturdy and light weight. 2. 1.000~1.130 specific gravity scale for wort. 3. Compact design with anti-slip rubber handle. 4. Equipped with a manual calibration knob, you can rotate it to focus the scale. 5. Soft eyepiece gives you great comfort while viewing. 6. Instant and reliable measurements for aqueous solutions. 7. Built-in automatic temperature compensation (ATC) system from 10 to 30 Degree.   Specification: Measuring Range: Brix: 0 ~ 32% Wort Specific Gravity: 1.000 ~ 1.130 Accuracy: Brix: ±0.20% Wort Specific Gravity: ±0.002 Scale Divisions: Brix: 0.2 % Wort Specific Gravity: 0.001 Automatic Temperature Compensation (ATC): 10~30℃ Model: RZ120 Material: Aluminum & ABS Size: 170*40*40mm / 6.7*1.6*1.6in Weight: Approx. 244g/8.6oz   Package list: 1 * Brix Refractometer 1 * Pipette 1 * Mini Screw Driver 1 * Wiping Cloth   Note: 1. Due to the difference between monitors and light effect, the pictures may not reflect the actual color of the item. Please take the real one as standard. 2. Please allow slight error due to manual measurement. Thanks for your understanding.