Performance Tool W80158 Automatic Temperature Compensation Multifunction Refractometer for: DEF, Anti-Freeze, Brewing Beer, Making Wine and More

Refractometers measure refraction index to calculate the composition of various materials.Measurements are on the Brix scale.Measures DEF, Ethylene Glycol, Propylene Glycol, Battery Fluid, and Cleaning Fluids.ATC - Automatic Temperature...