This style is equipped with °C.
By indicating the percentage we can know the freezing point of either ethylene glycol or propylene glycol-based cooling systems.
And they can also be used to test the concentration of ethylene glycol or propylene glycol in antifreeze.
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.
High quality: our chrome-plated brass body is resistant to chemical corrosion and wear-resistant, the life of the refractometer is increased several times than other aluminium housings.