- Versatile Functionality: This refractometer is ideal for testing antifreeze, car battery acid, engine coolant, and more, making it an essential tool for vehicle maintenance. - User-Friendly Design: Engineered for simplicity, it features a compact structure and a transparent cover that protects the measuring component from damage, ensuring ease of use. - Durable Construction: Made from high-quality materials, this refractometer provides stability and longevity, delivering accurate measurements for ethylene glycol, propylene glycol, cleaning liquids, and battery fluids. - Extensive Measuring Range: Capable of measuring: - Ethylene glycol and propylene glycol: -50 °C to 0 °C - Cleaning liquids: -40 °C to 0 °C - Battery liquids: 1,100-1,400 specific gravity - Practical Applications: - Monitor antifreeze levels in your vehicle to prevent freezing and maintain optimal engine performance. - Check battery acid concentration to ensure proper battery function and longevity. - Test engine coolant for proper protection against overheating, especially in extreme weather conditions. This refractometer combines functionality, compatibility, and performance, making it a reliable choice for professionals and DIY enthusiasts alike.