Krüss Optronic are a leading manufacturer of high-precision laboratory and analysis instruments. For more than 200 years we have been developing and manufacturing innovative product solutions for the quality control of raw materials, semi-finished products and end products in Germany.

Refractometers, polarimeters, density meters, flame photometers, melting point meters, gas analysers or microscopes – our instruments meet the highest standards of accuracy, speed and reliability. We also have a wide range of measurement devices available for professional gemology.