Propylene Glycol Tester (hand held Refractometer)

Designed for Propylene Glycol mixtures only, it has more accurate scale than any other universal refractometer.

The Scale is unique one, it shows degrees ºF,ºC, and percentage % . That by itself is  removing any guessing or  need for reference or conversion calculations. Works every time, everywhere.

By using it, you can tell every client the number they are comfortable to digest.