Mueller - Kueps Ad-Blue Refractometer Coolant Battery Acid Tester

Featuresand Benefits:

• Ad-Blue fluid scale
• Also tests radiator coolant, windshield washer fluid, and battery acid
• Soft cloth
• Long neck dropper
• Screw driver (for calibration adjustment)
• Pointer
• Made in Germany

One tool tests it ALL! Test for proper concentration levels of Diesel Exhaust Fluid (DEF), commonly referred to as AdBlue in Europe. This unit will also test radiator coolant, windshield washer fluid, and battery acid.