الوصف

The Hand-held Refractometer is a kind of precision optical instrument. Through to provide with a direct reading of the scales, we can easily know the concentration or refractive index of liquids. Our traditional hand held refractometer is very welcomed for it has following characters:  Easy and very convenient to use  Competitive price  High Quality, Accurate testing result  ATC Compensation Range(Built-in Automatic Temperature compensation System): from *0°C to *0°C