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AR4 Analog Abbe refractometer

Abbe refractometer AR4

The AR4 determines the refractive index between nD 1.3000–1.7200 and the sugar content in the range of 0–95 %Brix of liquid, viscous as well as solid samples. Dry substance content in % and the dispersion value nF-nC can be calculated.

  • Measurement of liquid, viscous and solid samples, regardless of their turbidity, viscosity, transparency and absorption
  • Suitable for the measurement of foils and solids
  • Large measuring range of nD 1.3000-1.7200 and 0-95%Brix, scale manually adjustable
  • Reading the measured values via an eyepiece
  • Robust housing and easy handling
  • With thermostat connections that allow for the temperature control with an external thermostat
  • Temperature is displayed on LCD screen

Typical applications

The Abbe refractometers have a wide range of applications in the chemical, petro-, oil- and fat industries, in the food industry, in hospitals, pharmacies and research offices, as well as in research and teaching. The special feature is the possibility to measure not only liquid and viscous samples but also solids and foils. Main application fields are:

  • Identity test, purity control and concentration determination of raw materials, semi-finished products and end products
  • Determination of the sugar concentration
  • Incoming and outgoing goods inspection
  • Purity control
  • Testing of food and pharmaceutical products
  • Testing of the compliance with national and international standards
  • Training

For a comprehensive overview of typical applications visit our campus review Refractometer applications.

Model specifications

AR4
MEASUREMENT DATA
SCALES Refractive index (nD) 
Concentration of sucrose [%Brix]
MEASUREMENT RANGE nD 1.3000–1.7200 
0–95 %Brix
READING ACCURACY nD ±0.0002 
±0.1 %Brix
RESOLUTION nD 0.0005 
0.25 %Brix
MEASUREMENT PRISM Optical glass
LIGHT SOURCE LED
WAVELENGTH 589 nm
TEMPERATURE DATA
TEMPERATURE COMPENSATION
TEMPERATURE MEASUREMENT Digital thermometer
TEMPERATURE MEASUREMENT RANGE 0–99 °C
TEMP. MEASUREMENT ACCURACY ±0.5 °C
TEMP. MEASUREMENT RESOLUTION 0.1 °C
FURTHER SPECIFICATIONS
METHODS Adjustable scale
CONTROL Reading via eyepiece
SPECIAL FEATURES Thermostat connections available

Technical data Abbe refractometers (PDF, 379 KB)

Digital refractometers with peltier temperature control

Resources & Downloads

AR4 Enquiry

For more information or to arrange a call from one of the Cea Analytical Team, please complete the contact form below.  If your enquiry is urgent, please call us on 1300 552 725.

AR4 Enquiry

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