Digital Engine Oil Tester

Digital Engine Oil Tester with 2.8inch LCD Car Oil Quality Detector Tester Tool Engine POA Oil Quality Repair Tool



 This is a specialized oil testing device tailored for the automotive inspection and maintenance sector. Its primary function involves measuring the transparency of engine oil within gasoline or diesel engines. This measurement reflects the presence of impurities and contaminants within the oil. Consequently, it assesses the quality and performance of engine oil, effectively preventing potential engine issues and malfunctions, thereby ensuring the engine operates normally and efficiently.


  • High-precision detection probe: AUTOOL AS503 integrates a high-precision photoelectric transceiver sensor sensing probe for more accurate measurement results.
  • Hose probe design: The 800mm hose design provides you with more convenient and flexible testing methods, the hose is made of Teflon, has high oil resistance and high oxidation resistance, and milk corrosion is extremely strong, prolonging the service life of the product.
  • Oil Temperature Measurement: The built-in temperature sensor measures and displays the actual oil temperature, reflecting the engine’s operational status and load. Ensures measurement results are within the normal working temperature range. Temperature is switchable: ℃, ℉.
  • Compatible with Various Lubricant Oil: Suitable for the majority of gasoline and diesel engine lubricant oils available in the market. Separate sampling and measurement for gasoline and diesel engines allow for a more precise assessment of lubricant oil.
  • Large LCD with High Definition: Equipped with a backlit 2.8-inch LCD screen, providing users with a clear display for efficient operation even in varying lighting conditions, be it bright daylight or dim nighttime.
  • Sound Alarm: when the transmittance is between 100% and 50%, there is no need to change the engine oil. when the transmittance is between 50% and 30%, an exclamation mark will be displayed on the screen to remind you to change the engine oil. when it is below 30%.the engine oil tester will emit a “beep” alarm to remind you to change the engine oil immediately to ensure safety.[ T] to indicate the current oil measurement temperature.
  • User-friendly Handheld Design: The body’s handheld portion is lined with a silicone substrate, providing excellent grip & lightweight design for easy single-handed operation.
  • Three-Year Warranty, Lifetime Maintenance:  For damage caused by non-human factors, AUTOOL promises to resend parts for free within 3 years. For any needs, you are warmly welcome to contact us and we will get back to you ASAP within 24 hours. Online Support>>