Antifreeze Refractometer, Hand Refractometer, Coolant Tester for Ethylene Glycol, Propylene Glycol, Freezing Point of Coolant Windscreen Water AdBlue Battery Acid, Urea Concentration of
- By indicating the percentage we can know the freezing point of either ethylene glycol or propylene glycol-based cooling systems.
- This style is equipped with °C.
- Use: with this refractometer, the ethylene glycol and propylene glycol concentration of the antifreeze of your car, your solar system, heat pumps, the freezing point of windscreen washer water, heating system or other machines or systems.