HIGH-PRECISION OPTIGAL PROBE
The engine oil tester probe utilizes an integrated high-precision photoelectric sensor and temperature sensor to provide fast and sensitive response and more accurate measurement results.  		TEMPERATURE DISPLAY
The engine oil tester screen generates an analog bar graph for analysis, and an integrated temperature sensor inside the machine tests the oil temperature, making it easy to assess the engine's operating condition.  		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:

1. Please check the temperature displayed on the dashboard of your car before testing. The engine temperature must be below 60°C during the test. 
2. Please wipe the test probe clean before testing, and make sure the probe is immersed in oil during testing. 3. The depth of the engine of different models is different. If the tester probe cannot be immersed in the oil, please take out the engine oil for testing.

This product relies on optical detection probes to analyze the particulate content in oil.  As a result, it is not suitable for analyzing automotive engine oils containing components such as molybdenum disulfide(MoS2), organic molybdenum, graphene, and similar substances

Package Details
1*AUTOOL AS503 Engine Oil Tester Main Unit
1pc*Instruction manual