Smoke Machine Leak Detector For leak test-AUTOOL SDT50

(7 customer reviews)

US$109.00

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AUTOOL SDT50

Product Overview

AUTOOL SDT50 is a lightweight and portable automotive smoke tester with a built-in air pump, designed for detecting leaks in intake systems, exhaust systems, fuel tank systems, car sealing areas, and various pipe fittings. It does not require a separate air supply, making it convenient for mobile diagnosis, DIY inspection, and basic workshop leak detection.

Built-In Air Pump DC 12V Battery 10-15ml Test Oil 1.5kg Portable
<10psiOutput Pressure
<5L/minOutput Flow
50WRated Power
3 YearsWarranty
AUTOOL SDT50 smoke leak detector for intake exhaust sealing pipe fitting and fuel tank leak detection Click to enlarge
Key Features

Key Features

SDT50 focuses on portable 12V smoke leak detection with built-in air pump, quick smoke output, thermal protection, wide leak coverage, and broad 12V vehicle compatibility.

Built-In Air Pump

No need to connect an external air supply. The built-in pump makes SDT50 convenient for quick testing at different locations without purchasing an extra air pump.

Quick Smoke Output

Press the smoke switch to generate a large amount of smoke quickly, helping users locate automotive leak points faster.

Lightweight And Portable

The SDT50 smoke machine leak detector weighs only 1.5kg, does not take up much storage space, and is easy to carry for mobile diagnosis.

High / Low Temperature Protection

The machine intelligently powers off when the temperature reaches 75°C, and it can still work when the temperature reaches -20°C.

Wide Leak Detection Coverage

Suitable for checking crankcase, oil seal, intercooler air, throttle valve, intake manifold, exhaust pipe, fuel tank, pipe fittings, coolant tank, and related leak points.

Wide Vehicle Coverage

Suitable for cars, motorcycles, trucks, snowmobiles, off-road vehicles, speedboats, and other vehicles that use 12V DC power.

How To Use

How To Use

Use the SDT50 with a DC 12V battery, liquid paraffin or baby oil, and the included smoke hose. Before use, gently turn the knob to open the airflow regulator valve.

Add Test Oil

Fill 10-15ml baby oil or liquid paraffin into the detector before first use. Do not exceed this range.

Connect The Test Pipe

Open the engine cover, hang the detector if needed, and disconnect the pipe that needs to be connected to the detector.

Power On

Connect the detector to a DC 12V battery, gently open the airflow regulator valve, then turn on the power switch.

Locate Leaks

In about 30 seconds, the pipe will be filled with smoke. Check the leak points visually and use a headlamp if necessary.

Use Notes

  • Liquid paraffin and baby oil are both acceptable testing liquids.
  • Add fresh oil only when the smoke becomes thin.
  • Do not add more than 15ml oil each time.
  • Before filling fresh oil, pour out the remaining oil in the detector and replace detector oil regularly.
  • During leak detection, keep away from smoke-sensitive parts.
  • Do not run the detector continuously for more than 8 minutes.
  • If the machine shuts off due to 75°C protection, let it rest before reuse.
  • The round metal part may become hot; avoid burns.
AUTOOL SDT50 structure diagram with filling port smoke indicator switch hook port power socket and smoke outlet Click to enlarge
Specifications

AUTOOL SDT50 Specifications

Review SDT50 power, pressure, flow, weight, size, and testing oil requirements before ordering.

1>
Core Specifications
ProductAUTOOL SDT50 Smoke Leak Detector
Working TheoryLow oxygen combustion
Power SupplyDC 12V battery
Air Pressure OutputBuilt-in air pump
Rated Output Pressure<10psi
Rated Output Flow<5L/min
Rated Power50W
Product Weight1.5kg
Gross Weight2.5kg
Product Size145 × 80 × 200mm / 5.7 × 3.14 × 7.87in
Test Oil Filling Volume10-15ml; do not exceed 15ml each time
AUTOOL SDT50 product specifications image Click to enlarge
SDT50 Specs
Working TheoryLow oxygen combustion
Power SupplyDC 12V battery
Air Pressure OutputBuilt-in air pump
Rated Output Pressure<10psi
Rated Output Flow<5L/min
Rated Power50W
Product Weight1.5kg
Gross Weight2.5kg
Product Size145 × 80 × 200mm / 5.7 × 3.14 × 7.87in
Test Oil10-15ml; do not exceed 15ml each time
AUTOOL SDT50 packing list with main unit power clamp cable smoke hose funnel bottle hook manual and product box Click to enlarge
What Is In The Box

What Is In The Box

The SDT50 package image shows the main detector, product box, hose, power clamp cable, filling accessories, hanging hook, and user manual. Packing List uses only the most relevant package image for clarity.

Main UnitAUTOOL SDT50 Smoke Leak Detector
Power Cable12V battery clamp cable
Smoke HoseSmoke output hose
Filling AccessoriesFunnel and filling bottle shown in the package image
HookHanging hook
DocumentationUser manual
Testing LiquidUse liquid paraffin or baby oil locally if needed
Product Comparison

Product Comparison

Use the comparison chart to understand where SDT50 sits in the AUTOOL smoke leak detector lineup and whether another model better matches EVAP, pressure gauge, air mode, smoke mode, or workshop needs.

SDT50 FocusLightweight entry model with built-in air pump, smoke mode, <10psi pressure, <5L/min output flow, 50W rated power, and 1.5kg main-unit weight
SDT60Adds pressure gauge support while keeping a compact built-in-pump setup
SDT101 / SDT103EVAP-focused external-air-source models for users with an air compressor
SDT205 / SDT205S / SDT206 / SDT208Support air mode + smoke mode for more flexible workshop diagnostics
SDT208Supports high pressure mode 35psi and low pressure mode 10psi
AUTOOL smoke leak detector comparison chart for SDT50 SDT60 SDT101 SDT103 SDT106 SDT203 SDT205 SDT205S SDT206 and SDT208 Click to enlarge
Manual And Downloads

Manual And Downloads

Download the AUTOOL SDT50 user manual for setup, test oil filling, 12V power connection, smoke testing, and safe-use instructions.

AUTOOL SDT50 multilingual user manual preview Click to enlarge

AUTOOL SDT50 User Manual

Open the PDF manual for SDT50 setup, oil filling, power connection, smoke output, and safe-use guidance.

Download Manual
Before You Order And Use

Before You Order And Use

SDT50 requires a 12V battery and proper test oil control. Review these operating notes before using the smoke detector.

Power And Oil

  • SDT50 must be connected to a 12V battery.
  • Fill 10-15ml oil before first use. Do not exceed this range.
  • Liquid paraffin and baby oil are both acceptable testing liquids.
  • Fresh oil can be added only when smoke becomes thin.
  • Do not add more than 15ml oil each time.
  • Before filling fresh oil, pour out the remaining oil in the detector and replace detector oil regularly.

Operation And Protection

  • Before use, gently turn the knob to open the airflow regulator valve.
  • During leak detection, keep away from smoke-sensitive parts.
  • Do not run the detector continuously for more than 8 minutes.
  • If the detector exceeds the working limit, such as over 75°C, it will automatically turn off power.
  • If the machine powers off due to protection, operate it later after cooling.
  • The round part of the detector may become hot; avoid burns.
Related Products

Related Products

Compare related AUTOOL smoke leak detector models before choosing the right pump setup, EVAP support, air / smoke mode, pressure range, and workshop function.

Questions And Answers

These answers cover external air supply, test oil type, oil amount, 12V power, continuous operation, overheating protection, hot surface warning, smoke-sensitive parts, and model selection.

Warranty And Contact

Warranty And Contact

For SDT50 test oil, 12V power connection, airflow regulator valve use, overheating protection, hot surface warning, accessory confirmation, manual support, or SDT model selection, contact AUTOOL Store directly.

Pre-Sales And Product Support

Use support if you need help confirming SDT50 setup, testing liquid, 10-15ml oil filling, 8-minute operation limit, 75°C protection, package contents, or whether another AUTOOL smoke detector model better fits EVAP or air / smoke dual-mode diagnostics.

  • 3-year warranty for eligible non-human damage cases
  • Test oil and 12V power setup confirmation
  • Airflow regulator valve and smoke output guidance
  • Overheating protection and hot-surface safety support
  • Package accessory and manual support
  • SDT50 / SDT60 / SDT101 / SDT103 / SDT205 / SDT206 / SDT208 model selection

Customer Reviews

  1. 5
    (7 customer reviews)
    100% of customers recommend this product.
    5 Stars100%4 Stars0%3 Stars0%2 Stars0%1 Star0%
  2. peter G

    I am extremely satisfied with this product. It exceeded my expectations in every way. The quality is top-notch, and it performs exactly as described. I would highly recommend this to anyone looking for Smoke Detector Machine. Great value for the price!

    0 of 0 found this review helpful
  3. Seadyasd

    Arrived ahead of schedule. Everything in good packaging condition.
    Good product very useful and recommended, easy to use and good diagnostic results

    0 of 0 found this review helpful
  4. Jane Copperfield

    This thing works just as well as a larger machine, and I was surprised judging by how tiny it is. Works great for smoking fuel tanks and even for engine vacuum leaks.

    0 of 0 found this review helpful
  5. Ivica Vrani?

    I was pleasantly surprised, the quality is totally different from other brands, very good, I like it very much, and it quickly helped me find the leak, I used baby oil, 15ml each time

    0 of 0 found this review helpful
  6. David

    The smoker is a great product, portable and lightweight, I used the Johnson’s baby oil they recommended to go with it, it’s an amazing combo, but the smoke comes out very well, I have a repair tool sales store, can I resell it please? Please contact me, thanks!

    0 of 0 found this review helpful
  7. Otto Sam

    Pipe inspection is very useful. Although it is very small, it has a built-in air pump, so it can be used for inspection at any time without the need for an additional air source, providing greater convenience. I am very satisfied with it.

    0 of 0 found this review helpful
  8. Tim Hendry

    Very good quality, better than other brands I have used before. This smoke leak detector has a built-in air pump. It is small and easy to carry. I can use it easily. The smoke effect is good. A lot of smoke is produced in 20 seconds. I use baby oil.

    0 of 0 found this review helpful
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Smoke Machine Leak Detector For leak test-AUTOOL SDT50
Smoke Machine Leak Detector For leak test-AUTOOL SDT50

US$109.00

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