AUTOOL AS503 Engine Oil Tester with Digital Display

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The AUTOOL AS503 Engine Oil Tester is a professional-grade device designed for the automotive inspection and maintenance sector. It measures the transparency and purity of engine oil in gasoline and diesel vehicles, helping detect contaminants, impurities, and oil degradation. With accurate readings and user-friendly operation, the AS503 helps extend engine lifespan, avoid failures, and ensure efficient performance.

Key Functions

AUTOOL AS503 Engine Oil Tester with Digital Display

• Detects engine oil transparency to assess oil condition.
• Measures oil temperature in ℃ or ℉ for accurate evaluation.
• Provides real-time alerts for oil replacement needs.
• Suitable for both gasoline and diesel engines.
• Prevents costly breakdowns by identifying poor oil quality early.

Warm Tips

The AS503 is mainly used to test the light transmission of lubricating oils and detect metallic impurities. It is recommended to test the oil condition every 5,000–10,000 km for best maintenance results.

AUTOOL AS503 Features

• High-Precision Detection Probe: Equipped with a photoelectric transceiver sensor for accurate oil analysis.
• 800mm Flexible Hose: Made of Teflon for oil resistance, corrosion resistance, and durability.
• Oil Temperature Measurement: Displays actual engine oil temperature to ensure accurate testing.
• Wide Compatibility: Works with most gasoline & diesel lubricants on the market.
• 2.8-inch LCD Display: Clear and backlit screen for easy reading in all conditions.
• Sound & Visual Alerts: Alerts when oil transmittance falls below safe levels (50%–30% warning, <30% critical).
• Handheld Ergonomic Design: Silicone grip for comfort and one-hand operation.
• 3-Year Warranty + Lifetime Maintenance: Free parts replacement for non-human damages.

Why Choose AUTOOL AS503?

• Developed by AUTOOL with independent R&D and intellectual property rights.
• Certified by CE, FCC, and ROHS for safety and reliability.
• Prevents engine issues caused by degraded oil by providing accurate oil quality analysis.
• Ensures proper lubrication, cooling, rust prevention, and sealing functions of the engine.

Technical Specifications

AUTOOL AS503 Engine Oil Tester with Digital Display

Model	AUTOOL AS503
Display	2.8-inch LCD (Backlit)
Measurement	Oil transparency & temperature
Probe	High-precision photoelectric transceiver with 800mm Teflon hose
Compatible Oils	Gasoline & diesel lubricants
Warranty	3 years (lifetime maintenance support)

Package Includes

• 1 × AUTOOL AS503 Engine Oil Tester
• 1 × Flexible Probe Hose
• 1 × User Manual

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