• 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
• Refractometer measuring range; Urea 0 to 40% antifreeze: 0 to - 50°C;
• Supplied with calibration screwdriver, calibration fluid, pipette, cleaning cloth and storage case
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