Expert Quality, precision refractometer suitable for measuring Urea concentration in Adblue® diesel exhaust fluid and will also measure anti-freeze strength. Focusable eyepiece and Automatic Temperature Corrected (ATC) prism ensures accuracy. Designed for use with standard ethylene glycol and propylene anti-freeze. Supplied with calibration screwdriver, calibration fluid, pipette and cleaning cloth. Packed in storage case.
