Feature 1. Widely used in various fields: The refractometer measures sugar concentrations in fruits, beverages and vegetables and can be used in beverage quality management, the food industry sector, agricultural production science research, and in the manufacture of beer and wine. 2. Function: Temperature compensation, refractive index display function, sugar concentration measurement 3. IP65 dustproof and waterproof: Sample tank design, corrosion resistant 4. Backlit LCD display: Refractive prism, high resolution and high precision 5. Rechargeable battery: Low power consumption, 20,000 measurements after full charge Product specifications 1. Model Name: SW-593 2. Range: 0-55% Brix 3. Temperature Compensation: 10 degree C ~ 40 degree C 4. Ambient Temperature: 10 degree C ~ 40 degree C 5. Fully Charged: about 20,000 times 6. Resolution: Brix 0.1% 7. Accuracy: +/-0.2% Brix / +/-1 degree C 8. Battery: 4200mAh 9. Product size: 300g / 120x55x30mm 10. Packing size: 330g / 170x115x65mm Package Included 1. SW-593 refractometer device x 1 2. USB charging x 1 3. User manual x 1 4. lens cleaning cloth x 1 5. Straw x 1Specification: Package Weight One Package Weight 0.26kgs / 0.58lb One Package Size 16.6cm * 11.4cm * 6.3cm / 6.54inch * 4.49inch * 2.48inch Qty per Carton 60 Carton Weight 15.00kgs / 33.07lb Carton Size 61cm * 41cm * 23cm / 24.02inch * 16.14inch * 9.06inch Loading Container 20GP: 463 cartons * 60 pcs = 27780 pcs 40HQ: 1076 cartons * 60 pcs = 64560 pcs