handheld refractometer (Liquid Salinity/Sugar Tester)

Easy to use, sturdy design, compact in size and light in weight, convenient to keep up and carry around, This handheld refractometer or Better Known As a Liquid Salinity Tester Is Great for Hydrometer in Wine Making and Beer Brewing too. Automatic Temperature Compensation makes it even easier to get fast results. It's designed for testing the sugar content and specific gravity of liquid But Has many other uses. Ideal for Home Brew, Wine making, Agricultural, Gardening & Educational Purposes. Just Look Though The Eye-Hole to see the results. By ATC, Not New But Never Used.