Refractometer Gwon GMK-845 Digital Fruits Acidity Meters
Refractometer GMK-845 Digital Fruits Acidity Meters Portable instruments for fruit acidity in the world first. It is very much useful when you check out the acidity( or sourness) of fruits such as apple, citrus, grape, kiwi, orange, pear, pineapple, strawberry and etc. Features Electrical conductivi