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Thermo Scientific™ ATAGO™ Abbe Benchtop Refractometers

Perform a wide variety of analyses including purity studies, film thicknesses, binary mixtures, soluble sugars (Brix), dispersion studies, and refractive indices of liquids, solids, powders, and opaque materials

Supplier:  Thermo Scientific™ 33462002

Catalog No. 13-964-11

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Includes: Glass calibration test piece (calibrated against equipment whose calibration is traceable to NIST™), bottle of 1-bromonaphthalene contact liquid, thermometer, dust cover, instructions, and dispersion table
This item is not returnable. View return policy



  • Easy to calibrate and adjust; read both light transmittance and reflectance
  • Select from sample illumination, momentary scale illumination, or power OFF by using the three-position switch
  • Place sample directly on the measuring prism for reflection measurements
  • Sample illuminator swings into position for either transmitted or reflected readings
  • Internally illuminated scale gives direct readings in Refractive Index and percent dissolved sugar
  • Determine optical dispersion and Nu values from dispersion dial readings
  • Adjustment knob sets the dividing line and allows fine adjustments for precise readings to 0.0001 for refractive index (1.30 to 1.71nD) and 0.05% for dissolved solids readings (0 to 85% sucrose)
  • Dual Amici prism compensator produces sharp dividing lines with sodium (D) illumination
  • Clip assembly locks the illuminating prism in place
  • Rugged, chemically resistant metal housing protects vital parts from dust, fumes, and stray liquids



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