DRAPER EXPERT 23193 AD BLUE REFRACTOMETER

Precision refractometer suitable for measuring urea concentration in AdBlue® diesel exhaust fluid. 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. Refractometer measuring range: urea 0 to 40%, antifreeze 0 to-50°C. Packed in storage case.