Check the listing for details. ATAGO Master Refractometer - Automatic & Water Resistant - Made in Japan. Condition: Used. Listed at 200.00 USD. The ATAGO Master Refractometer is a high-quality handheld refractometer designed for use in medical, lab, and industrial settings. Made in Japan, this automatic refractometer is water-resistant and known for its accuracy and reliability. With the ATAGO brand reputation and the model name Master-10 CX, this device is a trusted tool for measuring refractometers in various applications. Its compact design and handheld functionality make it easy to use in a wide range of environments, making it a valuable asset for professionals in healthcare, lab, and industrial fields.