Quality, Innovation, and Integrity, with a Global Reach, Rudolph Research Analytical.

Rudolph Research Analytical has been a global manufacturer and supplier of precision, automatic, laboratory instruments for over 50 years. Rudolph Research Analytical manufactures automatic, digital, bench-top Refractometers, Polarimeters, Saccharimeters, and Density Meters for a wide variety of industries. With over 5,000 laboratory instruments installed in demanding applications worldwide and thousands still in use that were manufactured in the 70s, 80s, and 90s, Rudolph has established itself as a premier vendor well known for its quality, and reliability,  and is NVLAP certified. Rudolph has also consistently set the pace for innovative design and features that bring new and important functionality to its market-leading line of refractometers. Our service and responsiveness come from a deep commitment to serving our customers with integrity, quality, and innovation that we have maintained for over 50 years. Please read one of our customer testimonials.