Measuring spark plugs, M12x1.25 / 6115C
6115C
The measuring spark plug includes the world's smallest piezoelectric cylinder pressure sensor. This allows quality cylinder pressure measurements to be executed without the need to machine complex additional measurement bores.
Main features / advantages
- Plug and play, no engine modification necessary
- Flush-mounted pressure sensor for highest accuracy
- High dielectric strength up to ignition voltages of 45 kV
- Application-specific geometries and heat values
- Serviceable due to the modular structure
The Kistler measuring spark plug of Type 6115C is available with various heat values, spark positions, and geometries. The electrical connection is either in form of a SAE cable connector nut, or a CUP cable connector nut. The ceramic insulators are available in a diameter of 9 mm or 10.5 mm, as per the original equipment requirements. The space required for the sensor installation is achieved by a slightly eccentric position of the spark ceramic (1.6 mm). A perforated screw that also functions as flame guard fixes the sensor to the underside of the measuring spark plug. The automatic sensor identification PiezoSmart, which facilitates efficient parameterisation of measuring chains, is available as an option. The stability of the measuring spark plug was significantly improved in comparison with its predecessor, Type 6115B. The optimized design of the ceramic diameter protects the spark plug from flashovers and misfiring. The signal cable of the sensor is attached via a screwed connector and can easily be replaced by the end user. Thanks to the modular design, it is possible to replace the insulator and the sensor. This must be replaced in a Kistler Tech Center if required.
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