Draper Expert Precision Refractometer for AdBlue® and Antifreeze The Draper Expert Precision Refractometer, available from Trade Counter Direct, is engineered for accurate measurement of urea concentration in AdBlue® diesel exhaust fluid, as well as the strength of anti-freeze solutions. This robust instrument features a focusable eyepiece and an Automatic Temperature Corrected (ATC) prism, ensuring reliable readings in varying conditions. Designed for compatibility with standard ethylene glycol and propylene glycol anti-freeze, it is an essential tool for automotive professionals and workshops. Each refractometer is supplied with essential accessories, including a calibration screwdriver, calibration fluid, pipette, and cleaning cloth, all housed within a protective storage case for convenience and longevity. Features Expert Quality precision refractometer for AdBlue® and anti-freeze measurement Measures urea concentration in AdBlue® diesel exhaust fluid Determines anti-freeze strength for ethylene glycol and propylene glycol solutions Focusable eyepiece for clear, tailored readings Automatic Temperature Corrected (ATC) prism for enhanced accuracy Supplied with calibration screwdriver, calibration fluid, pipette, and cleaning cloth Includes a durable storage case for safe transport and storage Specifications Urea Measuring Range 0 to 40% Anti-freeze Measuring Range 0 to -50℃ Compatible Fluids AdBlue® (urea), ethylene glycol, propylene glycol anti-freeze Supplied Accessories Calibration screwdriver, calibration fluid, pipette, cleaning cloth, storage case