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About
AUTOOL designs and builds professional automotive testing and maintenance equipment in Shenzhen.
About AUTOOL
Meet AUTOOL at AAPEX & SEMA 2026SPT301Spark Plug Tester
AUTOOL SPT301 Spark Plug Tester is a digital high-frequency tester for checking spark plug performance and strength.
- Working Principle
- Three-Socket Testing with Real Simulation
- Adjustable Testing Socket Height
- Comparison Testing
- Digital Screen Display
- Simulated RPM
- 200-9000rpm
- Ambient Temperature
- 0°C-45°C
- Product Weight
- 500g
SPT301 at a glance
- Simulated RPM
- 200-9000rpm
- Ambient Temperature
- 0°C-45°C
- Product Weight
- 500g
Overview
SPT301 Spark Plug Tester
AUTOOL SPT301 Spark Plug Spark Tester is a digital, high-frequency Adjustable Spark Tester for testing the performance and strength of spark plugs. It operates at frequencies up to 9000 rpm and is compatible with all spark plugs on the market for crankshaft engines and motorcycles. It compares three sockets simultaneously, simulating real engine rpm while displaying digital controls.
Working Principle
The AUTOOL SPT301 Spark Plug Spark Tester simulates the high-voltage ignition environment of an engine to test the ignition performance of spark plugs. The principle is to ignite the spark plug with high-voltage current, observing the strength, stability, and color of the spark to determine if the spark plug is functioning properly. The tester can simulate different working conditions (such as varying engine speeds) and detect common issues such as weak sparks, intermittent sparks, or abnormal colors, helping to quickly diagnose whether the spark plug needs to be replaced or adjusted.
AUTOOL SPT301 Spark Plug Spark Tester Features
Three-Socket Testing with Real Simulation: The Spark Plug Spark Tester features a three-socket testing function, allowing you to compare three spark plugs simultaneously, improving efficiency. It accurately simulates real engine working conditions, making the testing process more efficient and delivering more precise results.
Adjustable Testing Socket Height: The SPT301 Adjustable Spark Tester is compatible with vehicles such as BMW, Volkswagen, Audi, and other models with longer spark plug ends, offering a wider range of applications.
Comparison Testing: The SPT301 Spark Plug Tester allows simultaneous testing of two spark plugs along with a new one, providing more intuitive and clearer results.
Digital Screen Display: The SPT301 Adjustable Spark Tester and ignition tool clearly display simulated engine RPM, enhancing control precision.
Adjustable Working Frequency and Protective Cover: The Automotive Spark Plug Spark Tester operates at a working frequency of 200-9000 RPM. The higher the frequency, the stronger the spark intensity. The working frequency can be conveniently adjusted using the control buttons to suit your specific needs. With excellent testing and ignition performance, the tester is also equipped with a protective cover to safeguard against the risk of electric shock.
Three-year Warranty: For damages caused by non-human factors, AUTOOL promises to provide free replacement parts within three years. If you have any requests, please feel free to contact us, and we will respond promptly within 24 hours.
Operating Instructions
Place the spark plugs into the testing socket, then close the protective cover securely. Connect the power supply and adjust the working frequency as needed. Finally, observe the spark plug testing status through the protective cover.
Specifications
Technical data
SPT301
- Input Power
- AC 110V/220V +10%
- Output Power
- DC12V +21A
- Simulated RPM
- 200-9000rpm
- Ambient Temperature
- 0°C-45°C
- Relative Humidity
- <85%
- Product Dimensions
- 200 x 118 x118mm
- Product Weight
- 500g
Videos
See the SPT301 in action
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Support
Manuals & downloads
User manual
AUTOOL-SPT301-Manual.pdf
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