Designed as a research quality instrument the Rudolph J357 Automatic Digital Refractometer offers one of the highest measurement ranges of any instrument in the Rudolph refractometer product line. This instrument offers the same extra wide RI measurement range as our chemical industry refractometer models combined with the high accuracy of our food industry refractometer models. It also offers very powerful automatic electronic temperature control (heating and cooling) and is able to make RI and BRIX measurements at up to 100 °C. The J357 is a perfect choice for the most demanding pharmaceutical, chemical, petroleum, essential oils, fragrance and cosmetic refractometer users.

Precision, coupled with modern design, robust materials, and an unrivaled longevity is what our laboratory polarimeters stand for. Our technology is intelligent and connectable. You can access, store, and retrieve lab data from anywhere. SCHMIDT + HAENSCH, founded in 1864, offers a variety of polarimeter models based on decades of experience. The modular concept allows each customer to compile a custom-configured polarimeter including accessories.