Contact Us

Rudolph Research Analytical Contact Information


Rudolph Research Analytical
55 Newburgh Road
Hackettstown, NJ 07840 USA

Phone and Fax

Phone: 973-584-1558
Fax: 973-584-5440

E-Mail and Web Page

Web Page:

Information Request Form

Complete the Information Request Form to request information about Rudolph Research Polarimeters, Refractometers, Saccharimeters and Accessories.

Rudolph Research Analytical has been a global manufacturer and supplier of  precision, automatic, laboratory instruments for over 50 years.

Service, Parts, and Maintenance

Contact Rudolph Research for Service and Maintenance – For the fastest response use our Service Contact Form

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

Rudolph Research Analytical manufactures a full line of automatic, digital, bench-top Refractometer, Polarimeter, Saccharimeter, and Density Meter instruments 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, 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.