Ad-Blue Refractometer - Mueller - Kueps

The Mueller-Kueps 727 090 Ad-Blue Refractometer is an essential diagnostic tool designed for professional automotive and industrial applications, providing accurate verification of Diesel Exhaust Fluid (DEF) urea concentration. This specialized instrument supports the integrity of Selective Catalytic Reduction (SCR) systems across a wide range of diesel vehicles, ensuring compliance with critical emissions standards and preventing costly repairs. Technicians can confidently assess DEF quality on-site, minimizing downtime and optimizing fleet performance.

Key Features

• Precise DEF Analysis: Delivers accurate urea concentration readings, enabling rapid and reliable confirmation of DEF quality during refills or SCR system diagnostics.
• Clear Optical Performance: Equipped with high-quality optics and a sharp, easy-to-read measurement scale for consistent and dependable readings in demanding workshop environments.
• Professional-Grade Durability: Constructed to withstand daily use in automotive service bays, heavy-duty truck maintenance facilities, and diverse industrial settings.
• Emissions Compliance Support: Helps verify that DEF meets manufacturer and regulatory specifications, aiding in the prevention of NOx system faults, warning lights, and potential compliance penalties.
• Efficient Operation: Engineered for simple, rapid, one-handed checks during intake inspections, routine maintenance, and troubleshooting procedures, enhancing technician productivity.

Applications

This Ad-Blue refractometer is crucial for technicians servicing diesel vehicles equipped with SCR systems, including light-duty pickup trucks, heavy-duty on-highway tractors, buses, municipal vehicles, and agricultural or construction equipment. It is ideal for confirming DEF quality from bulk storage, totes, or jugs before refilling, and for diagnosing issues related to contaminated or off-spec fluid. The 727 090 also supports comprehensive preventive maintenance programs for fleet management.

Specifications

• Model Number: 727 090
• Weight: 1.1 lb
• Dimensions: 7 x 3 x 2 in