Rudolph Research Analytical

For over 50 years, we have been a global leader in quality, integrity, and innovation, principles that underpin every aspect of our operations, from instrument manufacturing to sales and ongoing service support. These core values are reflected in the Refractometers, Density Meters, Polarimeters, Automation, and Saccharimeters we design and produce.

With more than 8,000 instruments deployed in demanding applications worldwide—and many still operational that were built in the 70s, 80s, and 90s—Rudolph Research has earned a reputation as a trusted manufacturer of analytical instruments. Our commitment to quality, reliability, and compliance with ISO 17025, ISO 9001, and NVLAP certifications has solidified our position as an industry leader. Our service department provides comprehensive maintenance support, calibration, and replacement parts, ensuring that our instruments are supported for their entire lifespan. In fact, many instruments manufactured more than 30 years ago continue to serve customers today.

As a premier supplier of analytical laboratory instruments based in the United States, Rudolph Research specializes in high-precision benchtop equipment for industries such as pharmaceuticals, chemicals, petroleum, petrochemicals, food, and beverages. We design our instruments to meet the unique needs of each industry, offering a wide variety of models and configurations to suit specific applications. Our team is always available to assist you in selecting the right instrument for your laboratory needs.