Handheld Automotive Antifreeze Refractometer – Battery Acid Specific Gravity & Coolant Freezing Point ATC Tester Tool

Protect your vehicle from costly cold-weather problems by checking vital fluids quickly and confidently. This compact optical tester measures coolant freezing points, battery electrolyte specific gravity, and windshield cleaning solution for convenient vehicle maintenance. Built-in automatic temperature compensation helps provide dependable readings under changing ambient conditions. Its easy-to-read scales make antifreeze testing and battery fluid testing straightforward for both routine maintenance and professional inspections. Lightweight construction makes it convenient to keep in a garage, workshop, or automotive tool kit.

Key Features
• Checks ethylene glycol and propylene glycol coolant freezing points from -58°F to 32°F.
• Measures lead-acid battery electrolyte specific gravity to help evaluate battery charge condition.
• Built-in ATC compensates for ambient temperatures from 50°F to 86°F for convenient testing.
• Optical scale also measures glass cleaning solution freezing points for versatile automotive maintenance.

Why Choose Our Handheld Automotive Antifreeze Refractometer?
Unlike single-purpose fluid testers, this refractometer lets you check coolant, battery electrolyte, and glass cleaning solution with one compact instrument. Its optical measurement system and automatic temperature compensation support convenient, consistent readings. The lightweight handheld design is also easy to carry, store, and use during routine vehicle maintenance.

Perfect For
Ideal for car owners, mechanics, automotive technicians, repair shops, garages, maintenance professionals, and DIY vehicle enthusiasts. It is especially useful for checking coolant protection before cold weather, inspecting lead-acid battery electrolyte, and maintaining essential automotive fluids.

Product Specifications
• Ethylene Glycol Range: -58°F to 32°F; 0–70%
• Propylene Glycol Range: -58°F to 32°F; 0–70%
• Temperature Resolution: 9°F
• Concentration Resolution: 5%
• ATC Range: 50°F–86°F
• Battery Fluid Scale: 1.15–1.30 S.G.
• Battery Scale 1.15–1.20: Charging Recommended
• Battery Scale 1.20–1.25: Adequate Charge
• Battery Scale 1.25–1.30: Sufficient Charge
• Measurement Method: Total Reflection Critical Angle

Keep essential automotive fluids easier to monitor with the Handheld Automotive Antifreeze Refractometer. Add this convenient testing tool to your automotive maintenance kit and check coolant protection, battery electrolyte, and glass cleaning solution whenever needed.