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, 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.
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Total Flexibility for high throughput labs measuring Density, Specific Gravity, Refractive Index, Color, and pH utilizing the R837 Automated Laboratory Sample Handling System.
Total Flexibility for high throughput labs measuring Density, Specific Gravity, Refractive Index, Color, and pH utilizing the R837 Automated Laboratory Sample Handling System.
Density Meters for Chemical, Petroleum, Pharmaceutical, Petro-Chemical, and Beverage Labs.
Density Meters for Chemical, Petroleum, Pharmaceutical, Petro-Chemical, and Beverage Labs.
Polarimeter models from Rudolph Research for chemical, sugar, pharmaceutical, cosmetics, essential oils, education, and university laboratories.
Polarimeter models from Rudolph Research for chemical, sugar, pharmaceutical, cosmetics, essential oils, education, and university laboratories.
Designed as a research quality instrument the Rudolph J357 Automatic Digital Refractometer offers one of the highest measurement ranges of any instrument in the Rudolph refractometer product line. This instrument offers the same extra wide RI meas…
Designed as a research quality instrument the Rudolph J357 Automatic Digital Refractometer offers one of the highest measurement ranges of any instrument in the Rudolph refractometer product line. This instrument offers the same extra wide RI measurement range as our chemical industry refractometer models combined with the high accuracy of our food industry refractometer models. It also offers very powerful automatic electronic temperature control (heating and cooling) and is able to make RI and BRIX measurements at up to 100 °C. The J357 is a perfect choice for the most demanding pharmaceutical, chemical, petroleum, essential oils, fragrance and cosmetic refractometer users.
Select a Refractometer for your demanding Laboratory application from the wide range of instruments available from Rudolph Research. Rudolph is a leading analytical laboratory instrument supplier, manufacturing precision quality benchtop instrumen…
Select a Refractometer for your demanding Laboratory application from the wide range of instruments available from Rudolph Research. Rudolph is a leading analytical laboratory instrument supplier, manufacturing precision quality benchtop instruments for the Pharmaceutical, Chemical, Petroleum, Petro-Chemical, Food, and Beverage industries. All our instruments are designed to meet specific application requirements of specific industries and all are designed to exceed your requirements.
Saccharimeters – 4 models to meet your application requirements.
Saccharimeters – 4 models to meet your application requirements.
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