Battery Coolant Refractometer with ATC Model: RF40 Measure the % of Ethylene Glycol and Propylene Glycol Features: •Automotive coolant refractometer measures the freezing point of coolants plus battery charge condition •Provide accurate and repeatable measurements of % Ethylene Glycol and Propylene Glycol and F on easy to read scale •Automatic Temperature Compensation •Requires only 2 or 3 drops of solution •The prism and lens with a simple focus adjustment provides repeatable results •Complete with case, Calibration screwdriver, and calibration solution: one year warranty.   PDF Datasheet Price:  £56.33 (Ex VAT) £66.19 Including VAT at 17.5%