HEDAO 4-in-1 Car Refractometer – Precision Testing for Optimal Vehicle Maintenance
Durable optical glass prism ensures accurate readings for antifreeze, coolant, battery fluid, and washer fluid. High-precision scale with automatic temperature compensation delivers reliable results in seconds. Lightweight aluminum alloy body with anti-slip rubber grip for easy handling in garages, workshops, or DIY home use. Compact design fits in toolboxes for on-the-go diagnostics. Multi-scale calibration (Brix, freezing point, battery level) eliminates the need for multiple tools. Ideal for mechanics, fleet managers, and car enthusiasts seeking professional-grade performance at an unbeatable wholesale price. Crystal-clear eyepiece with focus adjustment enhances readability in low-light conditions. No batteries required – a cost-efficient solution for long-term use.