What is the Measuring principle of turbo charger speed measurement sensor?

A sensing coil integrated in the sensor housing is energized by a high-frequency alternating current. The emerging electromagnetic field changes when sensing a turbo charger blade, every blade generates a pulse. The controller identifies the rotational speed (analog 0 - 5 V) by counting the number of blades.

  

 

 

 

 

 

 

 

 

 
 

Characteristics
  •  Large measurement distance up to 2.2 mm
  •  Speed measurements from 200 to 400,000 rpm
  •  Operating temperature (sensor) up to 285°C
 
 

 


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