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Air humidity sensor, location/task/design/function - GF83.30-P-2125T

MODEL 211.0/2/6 up to 31.8.06 except CODE (581) Comfort automatic air conditioning 

Shown on model 211.0 

Fig 1: Locating Air Humidity Sensor
G07265798Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Air humidity sensor, position The air humidity sensor (B31/2) is located in the air flow upstream of the fresh air and air recirculation flap on the air conditioner housing.  
Air humidity sensor, task The air humidity sensor (B31/2) is used to record the air humidity of the aspirated air.  
Air humidity sensor, design The air humidity sensor (B31/2) basically consists of the following parts:
  • Measuring cell for humidity
  • Electrical connector, 3-pin
  • Electronic printed circuit board with processor
  • Plastic housing, watertight with sensor orifice
 
Air humidity sensor, function   GF83.30-P-2125-01T