Polarimeter models from Rudolph Research for chemical, sugar, pharmaceutical, cosmetics, essential oils, education, and university laboratories.

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.

Select a Refractometer for your demanding Laboratory application from the wide range of instruments available from Rudolph Research. Rudolph is a leading analytical laboratory instrument supplier, manufacturing precision quality benchtop instruments for the Pharmaceutical, Chemical, Petroleum, Petro-Chemical, Food, and Beverage industries. All our instruments are designed to meet specific application requirements of specific industries and all are designed to exceed your requirements. We offer a range of models and numerous configurations and are pleased to advise you as you make a purchase decision for your laboratory.

Saccharimeters – 4 models to meet your application requirements The AUTOPOL® 589, 880, 880 Plus, and 880T Automatic Digital Saccharimeters provide 0.01°Z repeatability and accuracy, time proven measurement technology and the critical features necessary for today’s sugar analysis.