Rudolph Research Analytical serving its customers with Integrity, Quality, and Innovation for over fifty years. T E C H N I C A L B U L L E T I N 9 1 1 For High Accuracy Food Applications The J157 Series of Automatic Refractometers Ask about our Auto Measure Option

APPLICATION The J157 is designed as a high accuracy refractometer for food and water based chemical applications. The instrument can read to ±0.00004 RI / ±0.03 BRIX making it more accurate and reproducible than 4 decimal place wide range chemical refractometers. OPERATION Operating the J157 is as simple as placing a sample on the prism, closing the cover and reading the answer – all in just a few seconds. There are no shadow lines to match and there is no eyepiece requiring any kind of operator determination or manual adjustment.When the “measure when stable mode” is selected, the J157 automatically...