HT25COP coil-on plug and signal probe can catch the ignition waveform of vehicle's engine easily without adding any extension cables. The ignition waveform is a window, through which we can see what happened in the engine combustion chambers. It determines whether the ignition plug needs to be replaced or clean. Does fuel injector in electronic fuel injection system wok well? Is there any problem in the leak-proof of air cylinder? Does the gap between ignition plugs get larger? Does the electrode shape of ignition plug become sharp? Is there too much oil pollution or carbon deposition on the ignition plugs? Does the insulating property of ignition plug get worse? Is there any problem in the power supply system of storage battery?

Works with any Oscilloscope including Hantek2D82 Automotive Handheld diagnostic equipment


  • To avoid injury keep the probe away from moving parts, such as the alternator drive belt and cooling fans.
  • To present electric shock do not use if the probe’s sensor plate’s insulation shows signs of damage.



Special anti-interference design, high accuracy of measurement. Ergonomic design, can be arbitrary curved. Highlight LED which is convenient to operate at night or in dark condition.
Catch the ignition waveform of the vehicle engine easily to read what is happening in the engine combustion chambers.
Can work with normal Oscilloscope including Hantek2D82 Automotive Handheld diagnostic equipment

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