Enables operators to clearly determine if the DEF in their vehicle consists of a 32.5% Urea / Water solution
15-40% variance on scale
0.5% line graduations
Complete kit provides operators everything they need to calibrate and use DEF Refractometer
EPA regulations require all diesel engines manufactured on or after January 1, 2010 to meet lowered NOx emissions standards. Kit includes: Refractometer, dropper, lens wipe cloth, instructions and quick guide, screwdriver and case.