The RA-620 is a compact benchtop refractometer with a built-in Peltier thermostat, offering precise measurements with a range of 1.32000 to 1.58000 nD and a temperature control from 5°C to 75°C. Its sleek A4-sized design saves space, and the aluminum die-cast housing ensures durability and lightweight operation. The easy-to-clean sample stage and anti-volatilization cover enhance user convenience and measurement accuracy. Featuring a 4.7-inch color LCD touchscreen, it supports up to 100 methods and 300 data entries. With multiple interfaces, including LAN, USB, and RS-232C, it integrates seamlessly into lab environments. Ideal for accurate refractive index and Brix measurements.