Refractometers From Rudolph Research All Feature:
  • Easy to clean, shallow Sample well – A clean sample well is imperative to accurate measurements.
  • Durable Sapphire Prisms with Long-life Light sources – Low Life of instrument cost.
  • 3 Year Domestic Warranty, Up to 3 International Warranty
  • Sales and local service located near your lab anywhere in the world.
  • Decades of leading Analytical Instrument Design and Support.

Watch the video on the selection guide from Rudolph Research.


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Density Meters

  • Measure in units of Kg/m3, g/cm3, g/ml, pounds/gallon, specific gravity, Baumé
  • Determine concentration in: %, molarity, normality, mole fraction, ppm,
  • Check batch consistency and ensure proper blending rations
  • All wetted materials are compatible with the most aggressive chemicals.
  • Many additional measurement and method options.


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Polarimeter models from Rudolph Research for chemical, sugar, pharmaceutical, cosmetics, essential oils, education, and university laboratories.



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Saccharimeter Autopol 880


Rudolph Research Analytical knows that Sugar Technologists around the world demand 24 hour operation, 7 days a week. Regardless of the accuracy and budget demands, Rudolph Research has a solution. The reason we understand the sugar industry’s demands and requirements is because Rudolph has been serving the industry since 1940. Throughout those 75 plus years of service, Rudolph has dedicated itself to manufacturing quality instrumentation and providing superior technical and service support, both directly and through its worldwide dealer network. This dedication is demonstrated by Rudolph’s installed base of over 5,000 instruments worldwide, with many of those instruments still in operation after 25 years of service.


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