Product Features
High-Sensitivity Sensor：With a temperature measurement accuracy of ±3%, the high-sensitivity sensor accurately detects changes in coolant temperature, helping accurately determine the coolant boiling point.
Dual Mode Selection：The AUTOOL AS509 offers two modes: NORMAL Mode and BRAND Mode. Users can flexibly select the appropriate testing mode according to different coolant types, making daily testing more efficient.
Supports 23 Coolant Brands：The AUTOOL AS509 supports 23 major coolant brands, meeting a variety of testing requirements for different vehicle models.
Built-in Boiling Point Reference Values：The AUTOOL AS509 includes built-in manufacturer reference values, providing an important basis for diagnosis. Test results can be compared with the reference values to help quickly and accurately determine whether the coolant has deteriorated.
High-Brightness OLED Display：The AUTOOL AS509 features a high-brightness OLED display. The self-illuminating screen provides clear readings in various lighting conditions, including bright outdoor environments and dim workshop conditions.
Dual Safety Protection：Built-in reverse polarity protection and overheat protection help ensure safer and more reliable operation.
Product Details
Operation Guide: The screen displays operating steps in real time, making operation simple and intuitive.
External 12V Power Supply: Provides stable and reliable power for testing.
Graduated Measuring Cup: Clear graduation markings make it easy to control the sample volume for each test, helping avoid waste or overfilling.
Insulated Power Clips: The surface is made of insulating material to help prevent electrical leakage, providing safer and more reliable operation.
Easy to Use, Efficient and Time-Saving：The AUTOOL AS509 features a simple and intuitive operating interface, making it easy to use even for first-time users and allowing testing tasks to be completed efficiently.
3-Year Warranty: For equipment damage not caused by human error, AUTOOL provides free replacement parts within three years. If you encounter any issues, please contact us at any time. We will respond promptly within 24 hours. We are committed to taking responsibility for our products, customers, and partners.
