Product Description for Handheld Antifreeze Refractometer - Precision Coolant Tester Ergonomic Handheld Design: This Antifreeze Refractometer features a convenient handheld design with a non-slip rubber handle, ensuring easy and comfortable operation. Its user-friendly construction allows for precise handling, making it ideal for both professional and personal use. Accurate Freezing Point Measurement: Specifically designed to measure the freezing point of automobile antifreeze, this refractometer is compatible with both ethylene glycol and propylene glycol-based coolants. The scale range covers 32 to -84 degrees F for ethylene glycol and 32 to -60 degrees F for propylene glycol, providing accurate and reliable readings to protect your engine from freezing conditions. Adjustable Focus and Easy Calibration: Featuring an adjustable manual focus, this device allows for easy focusing and calibration, ensuring precise measurements every time. It comes with a protective case for convenient storage and portability, making it easy to take on the go and use wherever needed. Automatic Temperature Compensation (ATC): Equipped with built-in ATC, this refractometer automatically adjusts to different ambient temperatures, ensuring faster and more reliable results. This feature enhances accuracy by eliminating temperature-related discrepancies in readings, giving you confidence in your measurements. Direct Reading with Measurement Level: The refractometer includes a measurement level for direct reading, simplifying the process of obtaining and interpreting results. This straightforward design makes it easy to quickly assess the condition of your vehicle's antifreeze, ensuring optimal engine performance and protection. Optimize your vehicle maintenance with this Handheld Antifreeze Refractometer. Its precision, ease of use, and portability make it an essential tool for anyone looking to accurately measure and manage coolant freezing points. Trust in its advanced features to deliver dependable results, safeguarding your engine against extreme temperatures.