• High-Precision Sensor: Temperature measurement accuracy up to ±3%
• Dual Mode Selection: Switch between Standard Mode and Brand Mode
• Supports 23 Coolant Brands: Covers 23 mainstream coolant brands on the market, meeting testing needs for various vehicle models.
• Dual Safety Protection: Built-in reverse polarity protection and overheat protection functions

AUTOOL AS509 Automotive Coolant Boiling Point Tester

The AUTOOL AS509 Automotive Coolant Boiling Point Tester is a handheld vehicle diagnostic device that determines whether coolant replacement is needed by measuring its boiling point.

It covers 23 major brands in the market: ACDELCO, BASF, BOSCH, CASTROL, ENGINE_ICE, EVANS, FORD, HONDA, JOHN_DEERE, KUNLUN, MOBIL, MOPAR, NISSAN, OMTECH, PEAK, PRESTONE, RECOCHEM, SHELL, SKI-DOO, ZEREX, STAR_BRITE, TOTAL, TOYOTA

AUTOOL AS509 Car Coolant Boiling Point Tester Feature: 

• High-Sensitivity Sensor: With a temperature measurement accuracy of ±3%, it can accurately test the coolant’s boiling point and precisely assess temperature changes.
• Dual Mode Selection:

  Normal Mode: Daily general test, compatible with various vehicle models & coolant types, capable of directly measuring the actual boiling point of the coolant.

  Brand Mode: Built-in data for 23 popular coolant brands, Select the brand to perform the test for more accurate results.
• Supports 23 Coolant Brands: Covers 23 popular coolant brands on the market, meeting the testing needs of different vehicle models.
• Built-in Boiling Point Reference Values: No need to check standard values. Simply compare the measured boiling point with the manufacturer’ s reference to quickly see if the coolant has deteriorated.
• HD Oled Display: Test results are clear and intuitive, with the self-illuminating screen making it easy to read in bright light or at night.
• Dual Safety Protection: Safe and worry-free, with built-in reverse polarity and overheat protection to prevent operational errors and overheating risks.