Photo 1 of Refract Handheld Refractometer. The Refractometer Series are Based on The Principle That The refractive Indices of Liquids Change When The Concentration Change. This Portable

Double tap image to zoom

Photo 1 of Refract Handheld Refractometer. The Refractometer Series are Based on The Principle That The refractive Indices of Liquids Change When The Concentration Change. This Portable Photo 2 of Refract Handheld Refractometer. The Refractometer Series are Based on The Principle That The refractive Indices of Liquids Change When The Concentration Change. This Portable