NEXAS SE509 Car Leak Tester EVAP Smoke Machine for Vacuum Exhaust Leak Detection
NEXAS SE509 Dual Mode EVAP Machine
 
NEXAS SE509 Automotive Smoke Leak Detector is a professional automotive pipeline leak detection tool. It quickly detects the tightness of the piping system through air mode and quickly and accurately locates leaks with safe and harmless fumes. It is simple to operate, suitable for a variety of vehicle types and complex piping systems, and is a powerful assistant for automotive maintenance technicians to solve pipe leakage problems.
 
✔️Air Mode & Smoke Mode
✔️ Flow Meter & Pressure Gauge
✔️ EVAP Detection
✔️ Wide Testing Range
✔️ Fast Smoke Out
 

Why We Choose NEXAS SE509?

👍EVAP & Turbo 2-IN-1: A professional automotive smoke machine for all types of vehicle smoke leak tests. It efficiently detects low-pressure evaporative emissions and high-pressure vacuum systems, designed for all leak testing scenarios, including EVAP systems, vacuum systems, intake and exhaust systems, turbos, superchargers, EGR systems, cooling systems, engine blocks, bodywork, and oil leaks.
Equipped with 2 Micro Air Pumps: No need for a separate workshop air supply, so you won't need to hook the air compressor up every time you test. The smoke leak detector instantly generates a large volume of clean, ultra-low odor smoke. With a smoke output speed of 20 LPM, it efficiently detects any vehicle pipeline leaks in a short time, significantly saving your diagnostic time.

👍Customized Pressure: In EVAP mode, the pressure value of the smoke detector is fixed at 0.75PSI, in TURBO mode, it can be adjusted between 3-20PSI through the pressure regulator, which can quickly and accurately detect the tiniest leaks, the powerful function and extremely high cost-effective make it the perfect choice for mechanics, stores and car owners!

👍Diagnose All Types of Leaks with Adapters: Get the SE509 now and you can start your automotive smog leak detection right away, the included intake bladder, cone plug, oil jug and other must-have accessories will come to you in a portable carrying case to meet all your vehicle system testing needs. But please note that mineral oil is not included

👍 5-Minute Auto Cycle: The smoke machine continuously generates sufficient smoke for 5 minutes, then automatically switches from smoke mode to air mode to save on mineral oil/baby oil consumption. To continue generating smoke if needed, simply press the button on the top of the machine.

👍 Dual Test Modes: air mode and smoke mode. 
It can adapt to a variety of complex testing environments and needs. Secondly, SE509 is built-in with two sets of high-power air pumps, users do not need to buy additional air pumps or air compressors, thus saving costs. It supports leakage detection of various vehicle systems, including but not limited to air intake system and exhaust system. Its high degree of compatibility also makes it suitable for all types of vehicles, truly realizing a multi-purpose machine.
 
👍 Visual Level Gauge And Handy Drain Outlet:Equipped with visualization tools such as oil level meters, flow meters and pressure gauges, users are able to monitor the parameters of the testing process in real time, which not only improves the ease of operation, but also enhances the accuracy of the test
 
👍 Powerful And Easy To Operate:NEXAS SE509 comes with its own air pump, so you don't need to rely on other air generators. Connect the detector to a DC12V battery to output a large amount of smoke within 30 seconds of powering it on.

👍 Quick Leak Diagnosis By Pressure Display:
No leaks: if the value of the pressure gauge remains the same, it means there is no leak in the pipeline system.
Small leak: if the value of the pressure gauge drops a bit, it indicates a small leak in the pipeline system.
Serious leak: if the pressure gauge reaches zero, it indicates a large leak in the pipeline system.

👍 Dual Test Modes: No Need To Buy Additional Air Compressor.
SE509 offers both air mode and smoke mode detection. This dual-mode design provides users with greater flexibility, allowing the detection process to be adapted to more scenarios. During initial inspection, the air mode can be used to quickly determine if there is a leak in the system, while the smoke mode can pinpoint the exact point of leakage, greatly improving inspection efficiency

👍 Overheating Protection:
Overheat protection automatically shuts off the power supply when the temperature of the device exceeds 75°C, preventing damage to the device, while freeze protection keeps the device functioning in temperatures as low as -20°C

Full system diagnostics, don't miss any leaks.

Crankcase System Test: Excessive pressure or corrosion of the crankcase is the main reason to damage the seal of the crankcase and cause oil leakage.

Intake System Test: Leakage in the air intake system will lead to insufficient intake of the car engine, which will result in scant engine power.

Car Sealing Test: Poor airtightness of the car may lead to a lot of inconvenience like inability to keep warm dusty, not soundproof, and not waterproof , etc.

Exhaust System Test: Unpurified harmful gases to be discharged into the atmosphere or increase vehicle noise is the main disadvantage when leaks happened in the exhaust.

Fuel Tank System Test: When there are gaps in the fuel tank and piping caused by improper installation or insufficient sealing of the fuel tank cap, it can cause leaks in the fuel tank system.

Turbo Test: The leakage of coolant would cause the engine to report high water temperature.Various Pipe Fittings Test: Smoke testing of brake hoses, power steering hoses, cooling system hoses, air conditioning system hoses, turbocharger hoses, fuel hoses, intake and exhaust system hoses, etc.

EVAP System Test: Leakage of the fuel evaporation system will cause fuel vapor to leak into the atmosphere, causing waste and pollution or unstable engine idling.

EGR system test: Exhaust gas recirculation valves and pipes in the EGR system are prone to deterioration, clogging or leakage in the course of long-term use, which may lead to engine performance degradation, excessive emissions and other faults

Cooling system test: Leaks in the cooling system can lead to insufficient coolant, affecting the normal heat dissipation of the engine, which in turn leads to engine overheating, boiling, damage and other faults

Engine system testing: leaks can lead to reduced engine performance, loss of power, increased fuel consumption and even engine failure

👉Wide Range of Applications
Suitable for all domestic cars, motorcycles, DGowmobiles, off-road vehicles, beaches. Cars, light trucks and speedboats, etc. Using together with auto diagnostic tool, you can find the vehicle problem accurately and diagnose fault.

👉How to do leakage test?
1. Fill 20ml baby oil to the detector for the first time. Open the engine cover, and hang the detector in the cover.
2. Disconnect the pipe that needs to be connected with detector.
3. Connect detector with DC12V battery, turn on the power switch, and the detector starts to work.
4. In about 30 seconds, the pipe will be filled with smoke. Check the leak points. Please use head lamp if necessary.

👉Specification: 
Output pressure : 0.75 psi Low pressure/3-20 psi High pressure
Output flow:<6L/min   
Power supply: DC12V,vehicle battery   
Air Source: built-in Air source  
Test Oil   Mineral Oil or Baby Oil (oil not include)    
Test oil capacity: 10ml-20m 
Material:Steel & Aluminum
Machine Size: 350*300*290mm
Package weight:5900g
Length of Smoke Hose: 10FT/3M

❗Package List:
1 * NEXAS SE509 Automotive Smoke Machine,
1 * Storage Box
1 * Oil Canisters,
1 * Cone Adaptor,
1 * Air Intake  Adaptor,
1 * EVAP Service Tool Kits
1 * 10ft Smoke Outlet Hose
1 * Battery Cable
1 * Hook
1 * 23Pcs Cap Plug Kits

🚫Note:

This product requires the use of specialized tobacco oil
If the product is not available locally, please use "Liquid Paraffin" or "Baby Massage Oil" instead of tobacco oil for emergency use.
1. It is recommended to refill new oil using the bottle labeled with the capacity in the product attachment.
2. If you overfill and smoke, please turn the product upside down and pour out the excess smoke oil.

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  • 1.ANCEL specializes in automotive intelligent diagnostics, detection and analysis systems, and automotive-related products for mechanics, repair shops, and DIYers.
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On Jan 17, 2026 at 21:07:06 PST, seller added the following information:

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