Abbe refractometer with circulation thermostat KRÜSS

Price: €2,495.00
Tax excluded

Abbe refractometer KRÜSS AR4

  • Measurement of liquid and viscous samples, regardless of their viscosity
  • Measurement of films possible and of solid samples that have at least one smooth side
  • Wide measurement range from nD 1.3000-1.7200 and 0-95 %Brix
  • Reading the measured values via an eyepiece
  • Integrated thermometer
  • Hose connections for temperature control with a circulation thermostat
  • Robust housing and easy handling
  • Temperature display on LCD display

Circulation thermostat KRÜSS PT31

  • Temperature control using Peltier technology
  • Temperature range from 8°C to 35 °C
  • Temperature accuracy of ±0.2 °C
  • Space-saving, sturdy design
  • Suitable for operation with non-flammable liquids (water or water/glycol mixture)
  • Bright, easy-to-read LCD matrix display
  • Sophisticated, easily accessible operating elements
  • Simple and plainly structured functions
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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

Technical data KRÜSS AR4

SpecificationAbbe refractometer AR4 model
Measurement rangenD 1.3000-1.7200
0-95 %Brix
Temperature control rangeCirculation thermostat KRÜSS PT31
Measurement accuracy 2)nD ±0.0002
±0.1 %Brix
Accuracy of temperature controlCirculation thermostat KRÜSS PT31
ResolutionnD 0.0005
0.25 %Brix
Wavelength589 nm
Temperature measurement accuracy±0.5 °C
Temperature measurement resolution0,1 °C
Temperature control 1)Retrofittable
ScalesRefractive index (nD), concentration of sucrose (%Brix)
AdjustmentAbout adjusting screw
Parts in contact with the sampleOptical Flint glass (SF4)
Operationdrive knob
Interfaces1 x RS-232, 1 x RS-422
Dimensions (W x H x D)100 mm x 270 mm x 190 mm
Weight2.5 kg
Operating voltage7.5 V
Power consumption (max.)15 W

²) Under normal conditions for measurement of refractive index (λ = 589 nm, 20 °C, 1013 hPa, 50 % relative humidity)

  • Brand
  • Reference
    AR4-PT31

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