Rudolph Research Analytical manufactures automatic, digital, bench-top Refractometers, Polarimeters 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, 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.
Strainoptics is the world’s leading manufacturer of non-contact, non-destructive stress measurement instrumentation to the glass and plastics industries.
In addition to the internationally recognized GASP® surface polarimeter, our product line encompasses a complete range of instruments, from simple strain viewers and polarimeter systems to specialized on-line and off-line equipment for measuring stress and other optical properties in a wide range of materials, including:
Medical Packaging & Devices
Automated Birefringence Measurement Systems
Our test methods and instruments may be used with almost any transparent or translucent materials (generally a minimum of 25% transmissivity is required). Here are a few of the applications where our equipment has been successfully used to measure residual stress and/or birefringence:
BaF2 and other crystalline materials
Fiber optic preforms
Special glass compositions
Topac is a distributor of a broad range of scientific, industrial and process control instrumentation.
Topac provides applications support, calibration and maintenance service for instruments and equipment in the following categories:
Modified Atmosphere Packaging