





❄️ Stay cool, stay ahead: The ultimate 4-in-1 antifreeze tester for the savvy vehicle manager.
The 4-in-1 ℃ Antifreeze Refractometer is a professional-grade tool designed to measure the freezing point of automobile antifreeze (ethylene or propylene glycol), urea concentration in diesel exhaust fluid (DEF), specific gravity of battery acid, and freezing point of windshield washer fluid. Featuring automatic temperature compensation for precise readings, it operates within a wide range (-50 to 0 ℃) and requires only a few drops of sample. Built with durable, rust-resistant materials and housed in a portable case, it’s an essential device for vehicle maintenance professionals and enthusiasts aiming for reliable, quick diagnostics.









| Customer Reviews | 4.0 out of 5 stars 17 Reviews |
J**S
Good quality
Good stuff
Trustpilot
1 week ago
2 weeks ago