The most capable refractometer in the Rudolph Research Refractometer product line. Rudolph’s J457 Automatic Refractometer is available in a Standard, Factory & Wall-Mount Configuration. One of the most capable and advanced digital, bench-top refractometers available for use in modern laboratories today. The Rudolph Research J 457 offers exclusive, Dual Peltier Heating and Cooling for effective […]
Resource Family: Videos - Page 5
Rudolph Polarimeter Cell Cleaning Video
Polarimeter Cell Cleaning Video The proper procedure for cleaning a Rudolph Research Digital, Autopol V Plus, Polarimeter, sample cell. Detailed instructions to ensure you can produce accurate and reproducible measurements with a variety of sample types. Covers cleaning, filling, solvent, and visual inspection of the cell. Includes details to disassemble the cell if more thorough […]
Polarimeter Measurement with a Rudolph Research Autopol Polarimeter
Polarimeter Measurement Polarimeter Technical Video: Taking a measurement with Rudolph Research’s Autopol V Plus, Digital, Bench Top Polarimeter. The proper procedures for loading a sample cell and taking a measurement. Rudolph Research Analytical has been building Polarimeters for many decades and this video features the Autopol V Plus, one of our newest and most capable […]
Refractometer Temperature Correction & Control using a Rudolph J457 Refractometer
Refractometer Temperature Correction & Control with a Rudolph J457 Rudolph Research Analytical details the difference between Temperature Control & Temperature Correction using distilled water, cranberry juice, ethylene glycol & engine oil on their newest automatic refractometer, the J457. The accuracy of Temperature Correction Vs Temperature control on samples that deviate from pure water and sucrose […]
How to Clean a Rudolph Research Density Meter: DDM2911
Technical video for the Rudolph DDM 2911 Density Meter. This video details the procedure required to clean the Density Meter prior to or after making a liquid density measurement. The video covers using a syringe to inject cleaning solvent, drying agent, capturing waste, and drying the instrument’s U-Tube with the on-board air pump. Using VideoView […]
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