AUTOOL SDT205 Car Smoke Leak Detector
€224.99
The Autool SDT205 is a professional self-contained smoke leak detector featuring an integrated air compressor, eliminating the need for external shop air. Designed for rapid 12V vehicle diagnostics, it utilizes a dual-mode system (Air Mode & Smoke Mode) to first confirm a leak via pressure drop and then pinpoint it with thick, high-density smoke. With a built-in pressure gauge, flow meter, and overheat protection, the SDT205 is an essential tool for identifying faults in EVAP, intake, exhaust, and cooling systems in under 3 minutes.
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Detailed description
The All-In-One Workshop Solution
The SDT205 is engineered for technicians who need a grab-and-go solution for mobile repairs or busy bays where air lines are occupied. Its “Dual-Mode” operation is its greatest diagnostic strength: the Air Mode allows you to pressurize a system and watch the needle—if it holds, there is no leak, saving you from unnecessarily filling the system with smoke. If it drops, the Smoke Mode generates high-visibility fog within 10 seconds to reveal the exact failure point.
Key Technical Pillars & Semantic Entities:
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Built-in Air Pump: Completely standalone operation; just connect to a 12V battery and the unit is ready to pressurized any sealed system.
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Intelligent Dual-Switch Control: * Air Switch: Activates the internal pump for initial pressure testing.
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Smoke Switch: Activates the heating element to turn mineral oil/baby oil into diagnostic fog.
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Comprehensive Monitoring: Features a high-precision Pressure Gauge (displaying up to 15 PSI) and a Flow Meter with an adjustment knob to control the density and speed of the smoke output.
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Safety & Durability: * Smart Protector: Automatically shuts off the power if internal temperatures exceed 75°C to prevent damage to the unit.
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Oil Drain Valve: Includes a handy bottom-mounted drain to easily refresh or recycle test oil, preventing long-term corrosion.
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Multi-System Capability: Specifically calibrated for EVAP testing (using the included special connector), as well as intake manifolds, turbochargers, crankcases, and door/window seals.
Performance & Specs:
| Feature | Specification |
| Input Power | 12V DC (Vehicle Battery) |
| Output Pressure | < 15 PSI (~1 kg) |
| Smoke Flow Rate | 6 Litres per Minute |
| Startup Time | Smoke output in < 10 seconds |
| Material | Lightweight Aluminum Alloy |
User Tip: When using the SDT205 for the first time, only add 10ml–20ml of baby oil. Overfilling can cause the unit to spray liquid oil into the vehicle’s intake or exhaust rather than thick smoke.




