VST LAB Coffee III Refractometer Style:With Software and a stepless grind collar

and a stepless grind collar

Weight: 34KG

but the quality is stellar

and a soft ivy green hue

hoppers can acquire a beat up look from constant remove and tamper storage

VST LAB Coffee III Refractometer Style:With Software and a stepless grind collarThe VST LAB Coffee III Refractometer is a tool that has been used for measuring coffee & espresso Total Dissolved Solids (TDS) to understand the efficiency and quality of brewing through extraction. VST Labs have advanced the Refractometer with the latest fourth generation that provides laboratory precision that comfortably fits into the palm of your hand. The Lab III Refractometer has an expected accuracy of + 0. 02% and worst case precision of + 0.