Autool SDT208 EVAP Smoke Leak Detector with Dual Modes and Flow Meter for Automotive Diagnostics

The AUTOOL SDT208 is a high-performance smoke leak detector designed for professional mechanics and car enthusiasts who need accurate, fast leak detection. This unit features two diagnostic modes (Air and Smoke), a built-in air pump, and an integrated flow meter to identify leaks in EVAP, vacuum, intake, exhaust, fuel, and cooling systems.

Compact and reliable, the SDT208 is powered by a 12V DC connection and requires only 10–20 ml of baby oil or liquid paraffin to produce thick diagnostic smoke within seconds. Built with overheating protection and rugged materials, it’s ideal for use in workshops or roadside service situations.

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Key Features

• Dual Modes: Air and Smoke for versatile leak diagnostics

• Built-in air pump—no compressor needed

• Produces thick smoke in under 30 seconds

• Flow meter to observe leak rate and severity

• Works with EVAP, vacuum, turbo, cooling, and fuel systems

• 12V DC powered for workshop or mobile use

• Overheat protection automatically shuts off above 75 °C

• Oil level window for easy refilling and monitoring

• Durable, cold-resistant build (-20 °C to +75 °C)

• Compatible with all cars, motorcycles, boats, ATVs, etc.

• 3-Year warranty included

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Use Cases

• Quickly identify hard-to-find EVAP leaks

• Locate vacuum or turbo boost loss issues

• Detect exhaust or intake system leaks

• Pinpoint leaks in cooling systems

• Test fuel or air lines on motorcycles, trucks, and boats

• Ideal for both home garages and pro workshops

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How To Use

1. Fill the tank with 10–20 ml of baby oil or paraffin

2. Hang the unit and connect the power to a 12V car battery

3. Choose between Air or Smoke Mode depending on your testing needs

4. Attach the smoke hose to the target system

5. Turn on the unit and watch the flow meter as smoke is generated

6. Inspect for escaping smoke to identify leak points

7. Allow to cool down between sessions as needed

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Technical Specs

Power Supply: 12V DC
Working Modes: Air Mode and Smoke Mode
Oil Capacity: 10–20 ml
Smoke Output Time: ~30 seconds
Overheat Protection: Auto shutdown at 75 °C
Working Temperature: -20 °C to +75 °C
Dimensions: Approx. 22 × 14 × 14 cm
Weight: ~1.9 kg
Pump: Internal air pump
Fluid Compatibility: Baby oil or liquid paraffin

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Download User Manual (PDF)

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What’s in the Box

1 × AUTOOL SDT208 Smoke Leak Detector
1 × Smoke Output Hose
1 × Power Cable with Battery Clips
1 × Oil Filler Bottle
1 × Cone Adapter
1 × Hanging Hook
1 × User Manual