J457 High Accuracy Refractometer

The J457 is the most capable instrument in the Rudolph Research refractometer product line. 3 configurations are available (small footprint, wall mount or factory remote-read) each with exclusive Smart Measure technology that virtually ensures accurate Refractive Index (RI) and BRIX measurements by automatically detecting sample problems. The J457 can determine when the prism is improperly cleaned, insufficient sample is loaded, or if the instrument is improperly calibrated. All models come with a digital touch screen and a dual temperature control system utilizing Peltier technology.