Product Code: 23193 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°C
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