Engine Oil Tester Gasoline & Diesel, Engine Oil Quality Tester Kit Transmittance & Temperature Analysis Detector with 800MM High Precision Probes,2.8'' Backlit Display,Car Diagnostic Analysis Tool The dirtier the oil, the lower the light transmittance. It can test both gasoline and diesel engine oils separately, giving you a more accurate reading of your oil's condition 【2 s Rapid Oil Quality Test】: The Engine oil tester checks light transmittance in just 2 seconds to detect impurities or metal particles, telling you if the oil needs changing. Oil Tester For Gasoline And Diesel AUTOOL AS503 Engine Oil Quality Tester Lubricating Oil Quality Analysis For Petrol Engine Or Fast Oil Condition Detector Check the oil quality of gasoline and diesel engines with the AUTOOL AS503 engine oil tester. Digital display for accurate results 【Versatile Testing】: Compatible with both petrol and diesel engines, providing accurate oil quality analysis for various vehicle types Package includes: 1*Brake fluid tester Fuel Additive For Gasoline Engines Engine Oil Tester, 2025 Engine Oil The advanced material resists corrosion and oxidation, ensuring long-term reliability of the oil analysis kit., 【2., 8'' Backlit LCD Screen】: The engine oil analyzer features a large 2., 8-inch HD LCD screen that clearly displays oil light transmittance and temperature.