Optical refractometer for measuring car operating fluids, equipped with five measuring scales: battery electrolyte level the freezing point of the ethanol-based washer fluid freezing point of isopropanol-based washer fluid freezing point of ethylene glycol substances - coolants freezing point of propylene glycol substances - coolants, heating systems - solar collectors, heat pumps Professional refractometer for measuring operating fluids of passenger cars, trucks and buses. It is designed to determine the freezing point of the washer fluid, propylene glycol coolant and ethylene glycol. It also gives a range of electrolyte density. The kit includes a sampling pipette and a cleaning cloth. The composition of the kit Coolant tester, electrolyte refractometer Pipette Cloth Plastic cassette Technical data Model: TA1390