Feature:1. Easy to use, only 1 drop of sample is needed, can easily test TDS/Brix.2. Easy calibration and operation, it can be operated with one hand.3. Portable and exquisite, low power consumption, anti-loss design.4. High accurate measurement, the resolution is 0.1％ and high accurate sensor. Refractive Index and Brix value can be measured.5. Using linear CMOS sensor with high precision and IP65 waterproof protection level high-performance and anti-shock material.6. Low power consumption,with 10~50 °C automatic temperature compensation function.Specification:Condition: 100% Brand NewItem Type: Brix RefractometerMaterial: PlasticColor: As shown in the pictureWeight: Approx.341g/12ozBattery:1.5V AAA battery(Not included)Waterproof Rate: IP65Automatic Temperature Compensation: 10-50°C Model Function Measuring Sequence Measuring Sequence Resolution Accuracy DR102 Brix S01 0.0-90.0% 0.10% ±0.2% Refractive Index S02 1.3330-1.5177nD 0.0001nD ±0.0003nD Package List:1 x Instruction Manual1 x Brix Refractometer1 x Suction Cup1 x Plastic Dropper