AUTOOL AS503 Engine Oil Quality Tester

AUTOOL AS503 Engine Oil Quality Tester

Turn fluid-condition checks into measurable workshop information.

The AUTOOL AS503 Lubricant Oil Tester is designed to assess engine-oil condition and temperature using an optoelectronic sensor probe. Separate petrol and diesel engine modes make it suitable for evaluating a broad range of common engine lubricants during routine servicing.

Why This Tool Is Useful

Designed to give technicians clearer, repeatable test information during diagnosis instead of relying on guesswork or visual checks alone.

Key Features

• Petrol-engine and diesel-engine test modes suit common lubricant oils.
• High-precision optoelectronic transceiver sensor provides oil-condition measurement.
• 800mm probe uses a Teflon hose designed for oil, corrosion and oxidation resistance.

Specifications

• Integrated temperature sensor provides an additional reference for engine operating condition.
• 2.8-inch backlit display provides clear workshop readings.
• Working voltage: 6V using four 1.5V batteries.
• Temperature range: -10°C to 125°C.
• Flexible hose length: 800mm.
• Transmittance range: 0–100%.
• Main unit size: 72 x 29 x 175mm.
• Package size: 165 x 60 x 278mm.