Digital Coolant Refractometer For Car Antifreeze Urea Tester

75th Ave and Lower Buckeye 5 in 1 Urea DEF Tester Coolant Refractometer, Digital Handheld Tester for Automotive Automotive Diesel Exhaust Tester Measurement of Glycol Propylene Glycol Concentrations Freezing Points ACCURATELY MEASURE UREA FLUID CONCENTRATION: Specifically designed to test the concentration of automotive urea (AdBlue/DEF), helping you to quickly diagnose the status of your vehicle's urea system and ensure that the emission system is working properly REFRIGERANT TESTING FUNCTION: It can accurately test the ethylene glycol and propylene glycol components in the refrigerant to help determine the cooling and antifreeze performance of the refrigerant and effectively prevent the engine from overheating or icing DIGITAL DISPLAY, SIMPLE OPERATION: clear digital display allows you to read the measurement results quickly and conveniently. Easy to use even at night PORTABLE AND DURABLE DESIGN: Compact and lightweight, suitable for carrying along with the vehicle, and the rugged and durable housing ensures that the instrument can work normally under all kinds of harsh conditions WIDELY APPLICABLE: Suitable for all kinds of diesel vehicles, including trucks, vans and buses, it is an ideal tool for vehicle owners, technicians and fleet managers