Optical Refractometer, Abbe 5, Bellingham + Stanley

Optical Refractometer, Abbe 5, Bellingham + Stanley

  • SKU: 44-501
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  • Description

    The Abbe 5 is an affordable refractometer ideally suited for use where a wide measurement range of Refractive Index is required, such as in smaller contract laboratories or applications where sample throughput is relatively low.  The instrument is also perfect for practical demonstrations and experiments in chemistry and physics laboratories of schools, colleges and universities.

    The Abbe 5 features both Refractive Index and Brix scales, with the prism temperature monitored electronically and displayed on the clear digital display. Connections for a waterbath provide optional prism temperature control, facilitating accurate readings to 4 decimal places RI (1 decimal Brix). Dispersion measurements of solids materials such as glass, contact lenses and fibre optics may be made in accordance with standard practice. 

    Abbe 5 refractometers may be used in either transmission mode, where light passes through the illuminating upper prism through the sample or reflective mode, where light is reflected from beneath the sample and "bounces off" the lower prism/sample interface; the latter being especially useful for measuring samples of high optical density such as rubber, polymers and the suchlike.

    The Abbe 5 refractometer is supplied with a glass calibration plate, contact liquid, and instruction manual and is packed in a hard flight case for easy transportation and storage. Limited warranty is 24-months.

    • Dual Scale

    • Refractive Index & 0-95 Brix

    • Dispersion Measurement

    • Optional Light Source

  • Specifications


    Abbe 5

    Refractive Index
    Sugar (°Brix)

    1,30 – 1,70
    0 – 95

    Refractive Index
    Sugar (°Brix)


    Operating temperature

    5–70 °C

    Temperature resolution

    0.1 °C

    Ambient temperature

    5-40 °C

    Power supply (temperature)

    Battery (1 x 1.5V AA alkaline). Approx. life 12 months continual use. 

    Code    Description
    44-501 Abbe 5 refractometer supplied with glass calibration plate, contact liquid and instruction manual packed in a hard flight case for easy storage
    44-520 Abbe 5 LED light source for mounting on instrument base. UK/EU/US plug. 110-230 V~, 50/60Hz
    44-590 Spare prism box assembly
    72-200 Traceable calibration plate (silica: 1.45839 ± 0.0001 RI at 20 °C)
    10-43 Contact liquid (monobromonapthalene) for test plates and solid samples with an RI up to 1.65 RI. Quantity 6ml
    10-61 Contact liquid (methyl iodide) for test plates and solid samples with an RI up to 1.74 RI. Quantity 6ml