Unmatched Capabilities in a Fully Portable Refractometer Rudolph brings decades of leadership with High Accuracy, Bench top Refractometers to Handheld Instrumentation With the experience and innovation gained from over 2 decades of leadership in Refractometer design and manufacturing, Rudolph introduces the new benchmark for Handheld Refractometers. The J27 Refractometer is entirely untethered yet refuses to accept…