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.
Urea measuring range 0 to 40% Anti-freeze measuring range 0 to -50℃
