Refractometer Calibration, How to Perform a Single & 2 Point Calibration This video demonstrates how to perform a Single & Two Point Calibration on a Rudolph J157 Refractometer. 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 […]
Wide Range Refractometer – Rudolph J357
J357 Wide Range Refractometer Refractometer, Rudolph Research’s J357, part of the Rudolph Refractometer Product Line, Designed as a research quality instrument the Rudolph J357 Digital, Bench-top Refractometer has the highest performance of any refractometer in the Rudolph range. This instrument offers the same extra wide RI measurement range as our chemical industry refractometer models combined […]
Refractometer, Rudolph’s J47 & J57 Automatic Refractometers
Food, Beverage, Chemical Refractometer, Rudolph’s J47 and J57 This video demonstrates Rudolph’s J47 and J57 Automatic food, beverage, chemical Refractometers. It provides an overview of features, specifications and applications and compares Rudolph’s J47 to other ABBE style Refractometers.
Measure Refractive Index of Solids – Films
Refractive Index – RI Measurement of solids. RI measurement of solids and semi-solids is useful in labs for monitoring quality to insure consistency of transparency, pigmentation, or batch quality. RI might be measured on incoming materials or finished products. Highly accurate measurements are possible with the right refractometer and a method to measure the material. […]
J457 Refractometer – Load and Go
High Accuracy with Load and Go speed and convenience. The J457 Refractometer is one of the most highly accurate Laboratory Refractometers in the market place and offers nearly any conceivable feature a lab may need. You can change many variables for measurements in full screen mode such as temperature to measure any sample, based on […]
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