• Tests propylene glycol antifreeze mixtures.• Features a temperature compensation rotor that automatically adjusts the reading regardless of the coolant temperature.• Freeze protection level is indicated on the scale in degrees Celsius.Tests propylene glycol antifreeze mixtures. Features a temperature compensation rotor that automatically adjusts the reading regardless of the coolant temperature. Freeze protection level is indicated on the scale in degrees Celsius.• Tests propylene glycol antifreeze mixtures. • Features a temperature compensation rotor that automatically adjusts the reading regardless of the coolant temperature. • Freeze protection level is indicated on the scale in degrees Celsius. • Model No. VS4121Technical Specification:Nett Weight: 0.11kgDimensions: Length: 44mm x Height: 183mmWeight: 0.14KgWarranty: 1 year