For over fifty years Rudolph has dedicated itself to manufacturing quality instruments and providing superior technical and service support. With over 2000 instruments installed worldwide and hundreds still in operation after 20 years of service, Rudolph understands the demands of today's laboratories for durability and reliability.

No matter what the application, Rudolph's complete line of polarimeters, saccharimeters, refractometers and accessories can meet your laboratory's needs for accuracy, reliability and performance.

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Automatic Polarimeter Autopol I Single Wavelength Model Autopol I entry level Polarimeter

Automatic Polarimeter Autopol II Dual Wavelength Model The AUTOPOL II is designed as a general purpose automatic polarimeter for budget focused Contract Laboratories‚ Food Laboratories and College Chemistry Laboratories

Autopol III Dual Wavelength Model The AUTOPOL III Automatic Polarimeter is Rudolph's entry level Dual Wavelength Pharmaceutical and Research grade polarimeter offering accuracy similar to Rudolph's more advanced models‚ but with a simplified interface

Autopol IV Dual Wavelength Model The AUTOPOL IV is a microprocessor based automatic polarimeter that is available in one‚ two and six wavelength versions.

Autopol V Six Wavelength Model The AUTOPOL V Automatic Polarimeter is designed for todays FDA regulated analytical laboratories. Whether you are a Pharmaceutical‚ Nutraceutical or University Lab

Autopol VI Automatic Polarimeter Highest accuracy Polarimeter

DDM 2911 Density Meter DDM 2911 and DDM 2910 Density Meter are simple to use, highly accurate instruments for most lab applications

J157 Automatic Refractometer Complete with Standard Presser The J157 combines features and accuracy that meet the most demanding applications both in and out of the laboratory.

J257 Automatic Refractometer Complete with Standard Presser Rudolph Research Analytical‚ working together with refractometer users from the polymer‚ petroleum‚ pharmaceutical and essential oil industries‚ has developed the J257 Wide Range Automatic Refractometer. The J257 Refractometer feat

J357-MMC Automatic Refractometer Complete with Standard Presser Designed to comply with some of the strictest‚ most demanding requirements in the modern analytical laboratory. The J357 Automatic Refractometer is designed for pharmaceutical analysis in a highly regulated laboratory‚ as well as meeting the 1

J57 Standard volume The J57 Automatic Refractometer was designed to meet the unique needs of industrial environments where the refractometer is operated on the factory floor

Saccharimeter The AUTOPOL 880 Series Automatic Saccharimeter is a dual wavelength microprocessor based saccharimeter capable of measuring at both 589 nm and 880 nm...