Rudolph Research AnalyticalLogo
  • Home
  • Products
    • Density Meters
      • Density Meter DDM 2909
      • Density Meter DDM 2910
      • Density Meter DDM 2911
      • Density Meter DDM 2911 PLUS
      • Density Meter Sample Loading Options
    • Refractometers
      • 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
      • 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
    • 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
    • Request Information
    • Careers
      • Jobs
  • Videos
    • How-To
    • Video Brochures
  • Rudolph Standards Lab
  • Shop
    • Cart
You are here: Home / Archives for calibration

Refractometer Calibration – 2 Point Method

Refractometer Calibration, 2 point method, Rudolph Research J157 – Video Transcript Refractometer Calibration resource – for laboratory refractometer users utilizing a Rudolph Research Automatic Refractometer. Hi, I am John Ciccarella, Service manager of the most innovative line of refractometer instruments made today from Rudolph Research Analytical.   John Ciccarella , Rudolph Research, Service Manager with a […]

Filed Under: Uncategorized, White Papers Tagged With: calibrate, calibration, calibration fluid, digital, laboratory, R/I, refractive index, refractometer, refractometer calibration, refractometers

Alcohol Density – Alcoholic beverage Sample Preparation

Measuring Alcohol Density with a Density Meter requires specific sample preparation procedures for accurate results. Procedures for sample preparation for measuring alcohol density with a Rudolph Research DDM2911 Density Meter Application Report Alcoholic Beverage Sample preparation: In general, there are two basic types of alcoholic beverage classifications, each with a different procedure required prior to […]

Filed Under: White Papers Tagged With: alcohol, Alcohol Density, alcohol proof, benchtop, Brix, calibration, concentration, density, Density Meter, digital, electronic, measure, sample

Measuring Alcohol Concentration – Alcohol Proof Testing

Measuring Alcohol Concentration for Alcohol Proof by measuring the Density of Alcohol Alcohol Concentration Determination Introduction – Pycnometers, hydrometers, and digital density meters are officially recognized methods for the determination / measuring alcohol proof (ethanol) concentration for quality control and to insure proper product labeling for declaration of alcohol proof testing for the payment of […]

Filed Under: White Papers Tagged With: % Proof, alcohol, Alcohol Density, Alcohol Proof Measurement, AOAC, calibration, density, Density Meter, density-meters, IUPAC, laboratory, OIML, proof, Pycnometer, Rudolph Research, TTB

Automatic Benchtop Refractometer Testimonial Western Sugar

I would highly recommend the Rudolph J57HA Refractometer over any other brand of refractometer that I have used or tested throughout my many years working in the sugar industry…

Filed Under: Testimonials Tagged With: Automatic, benchtop, beverage, Brix, calibration, chemical, cosmetics, digital, essential oils, flavor, food, industry, laboratory, oil, petro chemicals, petroleum, pharmacuetical, R/I, refractive index, refractometer, refractometers, sugar, testimonials

Refractometers, Polarimeters, and Density Meter Service & Maintenance Programs

Refractometers, Polarimeters, and Density Meter Service & Maintenance Programs Whether you buy a Refractometer, Poalrimeter, Density Meter, Saccharimeter, or automated system, we protect your investment by providing exceptional service, for over 30 years. Even though many laboratory instrument manufacturers stop servicing their equipment after just 10 years, Rudolph Research Analytical is still servicing instruments built […]

Filed Under: News, Press Releases Tagged With: Brix, calibration, density-meters, NIST, Optical Rotation, polarimeters, R/I, refractive index, refractometers, saccharimeters, service, Specific Rotation

  • 1
  • 2
  • Next Page »

Products

  • Density Meters
  • Refractometers
  • Polarimeters
  • Saccharimeters
  • Automation

Resources

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

General Information

  • About Us
  • Trade Shows
  • Press Releases
  • Customers/Industries
  • Site Map

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 © 2023 Rudolph Research Analytical

  • Home
  • Products
    • Density Meters
      • Density Meter DDM 2909
      • Density Meter DDM 2910
      • Density Meter DDM 2911
      • Density Meter DDM 2911 PLUS
      • Density Meter Sample Loading Options
      • <i class="fa fa-chevron-left"></i> Back
    • Refractometers
      • J47
      • J57 VT
      • J157 PLUS
      • J257
      • J357
      • J457
      • Contact Lens Refractometers
      • <i class="fa fa-chevron-left"></i> Back
    • Polarimeters
      • Autopol I
      • Autopol II
      • Autopol III
      • Autopol IV
      • Autopol V
      • Autopol V PLUS
      • Autopol VI
      • <i class="fa fa-chevron-left"></i> Back
    • Saccharimeters
      • Saccharimeter Autopol 589
      • Digital Saccharimeter Autopol 880 & 880T
      • Saccharimeter Autopol 880 PLUS & 880T PLUS
      • Saccharimeter Sample Cells
      • Saccharimeter Specifications
      • <i class="fa fa-chevron-left"></i> Back
    • Automation
      • AutoFlex® R817
      • AutoFlex® R827
      • AutoFlex® R837
      • <i class="fa fa-chevron-left"></i> Back
    • AlcoTest-RI®
      • Distillery Financing
      • <i class="fa fa-chevron-left"></i> Back
    • VeriLinkRx Hospital Drug Diversion
    • Octapol®
      • Octapol®
      • Octapol® Red
      • Octapol® Black
      • <i class="fa fa-chevron-left"></i> Back
    • Rudolph Standards Lab
    • <i class="fa fa-chevron-left"></i> Back
  • Resources
    • Service + Maintenance
    • White Papers
    • Technical Bulletins
    • Definitions
    • <i class="fa fa-chevron-left"></i> Back
  • Quality – Accreditations
  • Testimonials
  • Rudolph Research – General Info
    • About Us
    • Articles
    • Trade Shows
    • Press Releases
    • Service + Maintenance
    • Customers/Industries
    • <i class="fa fa-chevron-left"></i> Back
  • Contact Us
    • Distributor Locator
    • Contact Service
    • Request Information
    • Careers
      • Jobs
      • <i class="fa fa-chevron-left"></i> Back
    • <i class="fa fa-chevron-left"></i> Back
  • Videos
    • How-To
    • Video Brochures
    • <i class="fa fa-chevron-left"></i> Back
  • Rudolph Standards Lab
  • Shop
    • Cart
    • <i class="fa fa-chevron-left"></i> Back
  • English
  • Español
  • Português
  • Deutsch