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

Technical Bulletins

Rudolph Research Analytical has been a global manufacturer and supplier of  precision, automatic, laboratory instruments for over 50 years.

  • AlcoTest-RI®
  • AutoFill™- Autopols
  • Autoflex® R827
  • AutoFlex® R837
  • AutoFlex® R837
  • Automation
  • Autopol I
  • Autopol II
  • Autopol III
  • Autopol IV
  • Autopol IZ & IIZ Saccharimeters
  • Autopol V
  • Autopol V PLUS
  • Autopol VI
  • Calibration Standards
  • Contact Lens Refractometers
  • Density Meter
  • Density Meter DDM 2909
  • Density Meter DDM 2910
  • Density Meter DDM 2911
  • Density Meter DDM 2911 PLUS
  • Density Meters
  • Digital Saccharimeter Autopol 880 & 880T
  • HANDHELD REFRACTOMETER – J27
  • Polarimeter Accessories
  • Polarimeter Sample Cells
  • Portable Density Meter – Handheld – Rudolph DDM 29
  • Refractometer J157 PLUS
  • Refractometer J257
  • Refractometer J357
  • Refractometer J457
  • Refractometer J47
  • Refractometer J57-VT
  • Refractometer Selection Guide
  • Refractometers
  • Rudolph FillStation®
  • Saccharimeter Autopol 589
  • Saccharimeter Autopol 880 PLUS & 880T PLUS
  • Saccharimeters
  • Service + Maintenance
  • VeriLinkRx Hospital Refractometer
Translated Technical Bulletins
  • J27 Portable Density Meter in Chinese
  • Density Meter Technical Bulletin TB-935 R5 in Polish
  • Density Meter Technical Bulletin TB-935 R5 in French
  • Density Meter Technical Bulletin TB-935 R5 in Russian
  • Density Meter Technical Bulletin TB-935 R5 for Brasil
  • Density Meter Technical Bulletin TB-935 R5 in Spanish
  • Density Meter Technical Bulletin TB-935 R5 in German
  • AlcoTest-RI Technical Bulletin TB 945 in German
  • TB946 Autopol IV and V (German)
  • TB932 Autopol I,II,III (German)
  • TB946 Autopol IV and Autopol V(German)
  • TB938 J257 and J357 Refractometers(German)
  • TB910 Saccharimeter(German)
  • TB928 Autopol V+ and VI(German)
  • TB930 J457(German)
  • TB935 Density Meter Selection Guide(German)
  • TB941 J47 and J57 VT (German)
Quality, Innovation, and Integrity, with a Global Reach, Rudolph Research Analytical.

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 (Lab Code 200898-0) 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.

Resources

  • Service + Maintenance
  • White Papers
    • Density Meter White Papers
    • Refractometers White Papers
    • Polarimeters White Papers
    • Saccharimeter White Papers
    • Automation White Papers
    • Alcotest® White Papers
    • VeriLink® White Papers
  • Technical Bulletins
  • Definitions

Products

  • Density Meters
  • Refractometers
  • Polarimeters
  • Saccharimeters
  • Automation

Resources

  • Distributor Locator
  • Videos
  • Articles
  • White Papers
  • Technical Bulletins
  • Quality
  • Service & Maintenance

General Information

  • About Us
  • Press Releases
  • Customers/Industries

Global Distributors

Global distributors

General Inquiries

Rudolph Research Analytical
55 Newburgh Road Hackettstown, NJ, 07840 USA

Phone: 973-584-1558
Fax: 973-584-5440
info@rudolphresearch.com
  • Home
  • Products
  • Resources
  • Quality – Accreditations
  • Testimonials
  • Rudolph Research – General Info
  • Contact Us
  • Videos
  • Rudolph Standards Lab
  • Shop

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
  • Türkçe
  • Español
  • Deutsch