The most accurate refractometer in the world is now even more stylish, smart, and functional. Featuring intuitive touchscreen technology, the new RX-i series makes navigation and selection a breeze. The RX-5000i-Plus measures with the same accuracy level as the RX-5000α-Plus – ±0.010% Brix and ±0.00002 nD. The RX-i series come with newly added functions, such as USB flash drive and self-diagnosis capability.