
Refractometers
GAOTek provides a wide range of high quality, feature-rich and precise refractometers for sale to the United States, Canada and globally. This device is an optical instrument for examining the refractive index of a substance, i.e. for measuring how light bends as it moves through a substance. These devices can provide accurate reading for any substance in any environment. GAOTek offers refractometers designed for a wide range of applications, whether it be for laboratory use, production line, or more.