Antifreeze Refractometer is designed to test the concentration of the battery fluids, antifreeze liquid and cleaning fluids.

• Rapidly and precisely display with Specific Gravity (1. 15 -1. 30) at the same time, no need to switch unit for readings each time!
• With the built-in automatic temperature compensation(ATC), the brix refractometer will account for changes in ambient temperature and automatically compensate accordingly to consistently accurate readings.
• Just take a drop or 2 of your brew on the prism and hold the refractometer to the light, then look through the eyepiece to get the reading. No lookup table needed and no waste!
• Made with non-staining, non-corrosive and non-reactive aluminum material, light-weighted and portable, safe and durable.
• Ideal refractometer for making homemade beer, wines, fruit juices and other homemade beverages, etc.