32% AdBlue DEF Hand Refractometer

The 32% AdBlue DEF Hand Refractometer is a precision optical instrument designed to measure the concentration and purity of Diesel Exhaust Fluid (DEF) or AdBlue solutions.

• It provides quick, on-site testing to ensure DEF meets industry standards, preventing damage to SCR (Selective Catalytic Reduction) systems in diesel engines.
• Durable aluminum body with rubber grip and optical glass prism.
• Lens Cover Flip-style with daylight plate for outdoor use