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AUTOOL AS503 is designed with user-friendly body design, practical configuration and detailed operation interface; built-in precision sensors support the measurement of oil temperature and other basic parameters in lubricating oil and provide referable test results. Overall, the AS503 is practical and well-designed, providing a simpler and more efficient oil testing solution for the automotive aftermarket.

CAUTION:In cases where the oil filler cap of certain vehicle models does not allowdirect insertion of the testing probe, it is necessary to extract a portion of the engine oil from the vehicle before conducting the test.

AUTOOL always selects long-lasting and durable product materials, adheres to the production process of excellence, and upholds the spirit of revolution and innovation, committing to creating products with innovative and superior quality for users.

Why Choose AUTOOL?

Premium Tough Quality
3 Year Warranty
Fast & Secure Deliver
24/7 Attentive Service

AUTOOL AS503 Automotive engine lubricant tester is a professional oil testing equipment designed for automotive testing and maintenance field, mainly through the measurement of gasoline or diesel engine lubricating oil transmittance to reflect the impurities and contaminants in the lubricating oil, and then diagnose the quality of the oil and the performance of the degree of good and bad, can effectively prevent the emergence of engine problems and malfunctions, to ensure that the engine works normally and efficiently! It can effectively prevent engine problems and malfunctions, and ensure the engine to work normally and efficiently.


HIGH-PRECISION OPTIGAL PROBE Intergrated with a high-precision optoelectronic sensor no need to take the oil outside, just put the probe into the oil dipstick to get accurate measurement results.	TEMPERATURE DISPLAY Integrated temperature sensor for convenient assessment of the engine's operating status.	FLEXIBLE HOSE PROBE FOR CONVENIENTTESTING The 800mm long probe made of PTFE material, design offers a more flexible and convenient way to test in the hard-to- touch areas

COMPATIBLE WITH VARIOUS LUBRICANT OIL STANDARDS Compatible with majority of gasoline and diesel engine lubricant oils available in the market.	LARGE LCD WITH HIGH DEFINITION Equiped with a backlit 2.8-inch LCD screen, instant display result, regardless of strong light or dark night, can intuitively and clearly shows the brake fluid data.	USER-FRIENDLY HANDHELD DESIGN The body's handheld portion is lined with silicone substrate,providing excellent grip & lightweight design for easy single-handed operation.

CAUTION:
In cases where the oil filler cap of certain vehicle models does not allowdirect insertion of the testing probe, it is necessary to extract a portion of the engine oil from the vehicle before conducting the test.

In cases where the oil filler cap of certain vehicle models does not allowdirect insertion of the testing probe, it is necessary to extract a portion of the engine oil from the vehicle before conducting the test.