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    Abbe refractometer KRÜSS 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
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    €1,034.00
    Tax excluded
    ready to ship in apr. 8 days
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    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

    Measurement data AR4

    ScalesRefractive index (nD)
    Concentration of sucrose [%Brix]
    Measurement rangenD 1,3000–1,7200
    0–95 %Brix
    Measurement accuracynD ±0,0002
    ±0,1 %Brix
    ResolutionnD ±0,0005
    ±0,25 %Brix
    Measurement prismoptical glass
    Light sourceLED
    Wavelenght589 nm
    Temperature compensation-
    Temperature measurementDigital thermometer
    Temperature measurement range0-99 °C
    Temperature measurement accuracy±0,5 °C
    Temperature resolution0,1 °C
    HousingAluminum cast, powder-coated
    MethodsAdjustable scale
    ControlReading via eyepiece
    Operating Voltage7.5 V
    Dimensions (W X H X D)100 mm x 270 mm x 190 mm
    Weight2,5 kg
    AR4