OPTIKA reserves the right to make corrections, modifications, enhancement, improvements and other changes to its products in any time without notice.


OPTIKA Digital Refractometers accurately report Brix, salinity, urine, serum protein and refractive index on a two-lines LCD display. Simple to use, its intuitive three-button operation and fast response make this series ideal for several applications: the different models available are suitable for measuring concentrations in food, for determining a liquid’s composition and assessing its concentration and density.  The stainless steel sample well is easy to clean and corrosion-resistant.


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HRD Digital Refractometer

The refractive index of a substance is related to its specific density; a refractometer is used to measure the purity or the concentration of a sample when mixed.
Refractometers are suitable for a wide range of applications, which includes the control of blend ratios in light industrial applications and represents the ideal solution for users working in the food industry.

» Value for money solution
» Easy operation
» Built-in LED illumination
» Brix or scale specific (including ATC)
» Sturdy construction with rubber handgrip

Automatic Temperature Compensation

No need to worry about temperature
change during your measurement.


Model: HRD-300N

Digital Refractometer, Brix and Refractive Index.
Recommended for fruit juice analysis


Model: HRD-400N

Digital Refractometer, Brix, Salinity and Refractive Index
Recommended for salinity analysis.


Model: HRD-500N

Digital Refractometer for Urine, Serum Protein and Refractive Index
Recommended for clinical analysis.