Temperature sensor (white plug) for air-cooled engines. This can be used to measure the temperature at the cylinder head of an air-cooled engine (e.g. for Stage6 or Koso instruments). The ring is simply screwed under the spark plug. The sensor comes with 5 mounting rings.
Fits, for example, NGK spark plug with the "B" designation (14mm spark plug thread).
Internal resistance: 12kOhm
Measuring range up to 250°C
Fits, for example, NGK spark plug with the "B" designation (14mm spark plug thread).