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You are here: Home / Archives for Refractometers

Refractometer Accessories

Refractometer Accessories, Printers, & Calibration Standards. Rudolph has the Refractometer Accessories and calibration standards needed to gain the most use of your instrument. Rudolph Research provides a wide range of printers and accessories to make your any of the Rudolph Research line of Laboratory Refractometers a more productive instrument in your laboratory. Refractometer Accessories – […]

Refractometer J57-VT

Refractometer – Rudolph’s Digital J57-VT HA – High Accuracy & J57-VT WR Wide Range. The J57-VT High Accuracy Refractometer and J57-VT Wide Range Refractometer are part of the Rudolph Research Product Line. The Rudolph J57-VT High Accuracy and J57 Wide Range refractometers are designed to meet the unique needs of food quality testing where the […]

Refractometer J157 PLUS

Digital Refractometer – J157 PLUS available in several models and option configurations. The Rudolph J157 Digital Refractometer offers high performance and a range of features to suit many demanding applications in laboratories and harsh industrial environments. Rudolph Research Analytical, working together with refractometer (Refraktometer) users from various countries and disciplines, has developed the J157 series […]

Refractometer J257

Versatile Refractometer – J257 with Extended Measurement Range A highly versatile Refractometer, the Rudolph Research J257 was developed by working together with laboratory refractometer users from the polymer, petroleum,  petrochemical, pharmaceutical and essential oil industries. The J257 is a fully Automatic, Digital Refractometer, featuring electronic cooling and heating. In addition it has an extended Refractive Index (RI) […]

Refractometer J357

Automatic Refractometer, J357 Offers Highest Performance for Research Labs. The Rudolph J357 Automatic Refractometer, designed as a research quality instrument offers one of the highest measurement ranges of any instrument in the Rudolph refractometer product line. This instrument offers the same extra wide refractive index measurement range as our chemical industry refractometer models combined with the […]

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Copyright © 2025 Rudolph Research Analytical

  • Home
  • Products
    • Density Meters
      • DENSITY METER – PORTABLE DDM29
      • Density Meter DDM 2909
      • Density Meter DDM 2910
      • Density Meter DDM 2911
      • Density Meter DDM 2911 PLUS
      • Density Meter Sample Loading Options
      • Back
    • Refractometers
      • REFRACTOMETER – PORTABLE J27
      • J47
      • J57 VT
      • J157 PLUS
      • J257
      • J357
      • J457
      • Contact Lens Refractometers
      • Back
    • Polarimeters
      • Autopol I
      • Autopol II
      • Autopol III
      • Autopol IV
      • Autopol V
      • Autopol V PLUS
      • Autopol VI
      • Back
    • Saccharimeters
      • Autopol IZ & IIZ Saccharimeters
      • Saccharimeter Autopol 589
      • Digital Saccharimeter Autopol 880 & 880T
      • Saccharimeter Autopol 880 PLUS & 880T PLUS
      • Saccharimeter Sample Cells
      • Saccharimeter Specifications
      • Back
    • Automation
      • Autoflex® R817
      • AutoFlex® R827
      • AutoFlex® R837
      • Back
    • AlcoTest-RI®
      • Distillery Financing
      • Back
    • VeriLinkRx Hospital Drug Diversion
    • Octapol®
      • Octapol®
      • Octapol® Red
      • Octapol® Black
      • Back
    • Rudolph Standards Lab
    • Back
  • Resources
    • Service + Maintenance
    • White Papers
    • Videos
    • Technical Bulletins
    • Definitions
    • Back
  • Quality – Accreditations
  • Testimonials
  • Rudolph Research – General Info
    • About Us
    • Articles
    • Trade Shows
    • Press Releases
    • Service + Maintenance
    • Customers/Industries
    • Back
  • Contact Us
    • Distributor Locator
    • Contact Service
    • Part Order/Quote Request
    • Request Information
    • Rudolph Brazil
    • Rudolph Germany
    • Rudolph Japan
    • Rudolph Turkey
    • Careers
    • Back
  • Videos
  • Rudolph Standards Lab
  • Shop
    • Cart
    • Back