VCYOPN Coolant Tester Accessory, Dial Type Anti-Freeze Hydrometer Vehicle Battery Liquid Densitometer, High Accuracy Freezing Testing Tool for Ethylene Glycol Coolant, Car Accessories

Premium Material: Made from high-quality PC material, this antifreeze tester ensures robust durability and strong impact resistance, ensuring no deformation even after prolonged use. The flexible silicone bladder and tubing remain intact even after repeated use

Practical Function: This antifreeze tester enables the rapid assessment of coolant condition, measuring the freezing point in winter and the boiling point in summer. It quickly evaluates the condition of your coolant, determining whether it needs to be replaced

Precise Measurement: The antifreeze tester features clearly marked Celsius and Fahrenheit scales, precisely calibrated to ensure accurate readings. Its transparent housing enables clear visibility without visual distortion, allowing you to observe the remaining fluid level quickly at any time

Ideal Size: Measuring 3.9×1.8×0.7 inches, the antifreeze tester features a compact design for easy portability and versatility across various scenarios. Its small footprint fits neatly into toolboxes, taking up little space, ensuring quick testing is always within reach

Easy to Use: First, squeeze the air bladder to completely empty it, then immerse it in the liquid until it reaches the calibration line. Next, hold it vertically so that the red float aligns with the centerline. Finally, read the corresponding liquid level calibration value