‘Polarmaster’ - Designed for the UK government

Polarmaster’, takes the accuracy of a laboratory to the vehicle. Ensures accurate determination of % ethylene-glycol at any temperature, and indicates the amount of undiluted anti-freeze to add to obtain the correct degree of frost protection. Ministry ref. H6/HF 10997. Specific gravity range 5 - 60% A.F Accuracy tolerance ± 2% A.F Thermometer range 0 - 70°C NOT suitable for methanol or propylene mixtures.