Hand held refractometers are one of the most popular analytical devices. They are used in many places ?Çô like in wine growing and wine making, both by professionals and amateurs, in beer brewing, in garages to check battery electrolyte and cooling liquid quality, and so on. They are very simple in use and give almost instant result, without tedious and costly laboratory procedures to follow. Features: 1. Easy-to-use. 2. Can be calibrated with a screw driver easily. 3. Requires very small sample amount. 4. Simple procedure. 5. Good built quality.
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