Measuring range: Brix 0-90% Minimum scale: 0.2% Measurement accuracy: Brix ±0.1% (10-30°C) Temperature correction range: 10-30°C Accessories: 1 x measuring device, 1 x pipette, 1 x cleaning cloth, 1 x screwdriver High precision prism: Uniform optical performance, no cracks, excellent transparency, high dispersion, and low temperature coefficient. Prism surface is not affected by humidity. ATC automatic temperature compensation technology: Integrated temperature compensation film provides reliable readings across the specified temperature range. Durable copper construction: Solid build quality with precision machining for long-term durability and consistent accuracy. Measuring range: 0-90% Brix (sugar content), resolution: 0.5% Brix. Features automatic temperature compensation (10-30°C) and calibration screw for zero adjustment. Simple operation: Place 2-3 drops of sample on the main prism, close the cover, and read the Brix value through the eyepiece. Wide range of applications: No battery required. Compact and easy to use. Suitable for industrial, household, fruit, vegetable, jam, lubricant, and emulsion testing. Ideal for individuals monitoring sugar content in food for dietary management. Enables safe health monitoring by providing accurate sugar measurements in fruits and vegetables.