An aquarium refractometer CNT65 is an instrument to measure the concentration of aqueous solution by measuring it’s refractive index. All water based solution can make light bend.thebending of light increases at a rate proportional to the increasing solution concentration.
Meditry Instrument Co., Ltd., 2 hours drive from Shanghai, is specialized in exporting and supplying high quality laboratory equipment, medical equipments, petroleum oil and chemical testing instruments.