The BRILLIANT TOOLS refractometer BT536010 can be used to determine the ethylene glycol and propylene glycol concentration of the antifreeze in your car, solar heating system, heat pumps, the freezing point of windscreen washer fluid or to determine the concentration of AdBlue. The refractometer with its integrated automatic temperature compensation system offers maximum of precision and ease of use. The device is equipped with a stable metal housing and a plastic-coated handle.