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– refractometers play an important role in all of these industries to provide quality assurance.

In order to achieve reliable and reproducible measurement results, refractometers must work with light of a constant wavelength – 589 nm as a standard – and maintain an exact temperature of the sample as the wavelength and temperature influence the refractive index of substances.
The users also expect that the devices can be integrated easily into any production process, that they allow for an automatic work and that they are easy to handle.