Sensors and Systems

Location of sensors
[Front View]

      

[Side View]

 


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Weather station Exhaust fans for forced ventilation Control Unit Nutrient Delivery System CO_2 Sensor Heating System Cooling System, (Wet Pad) Temperature & Relative Humiduty Sensor CO_2 enrichment system Rool- up roof vent for natural ventilation Nutrient Delivery System Heating system Cooling system (Fan and  Pad) Control unit

   
 

Temperature and Relative Humidity sensor

Air temperature
inside the greenhouse (F) is measured with an aspirated sensor, located 6' above ground at the middle of the centerline of the greenhouse

Relative humidity inside the greenhouse (%)
Same location of Tin sensor

 

 

 

 

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Weather station Light  

Air temperature
outside the greenhouse (F)
This sensor is shielded from sun, and located 22' above ground in the centerline of the south side of the greenhouse

Solar radiation outside the greenhouse (W/m2) [in the range of 380-1100 nm]
Same location of Tout sensor

   
  CO2 sensor

Atmospheric carbon dioxide
concentration inside the greenhouse (ppm) is measured with a diffusion sensor located 6' above ground level and 12' from the north wall and at the centerline of greenhouse
   
  CO2 Enrichment System
   
  Cooling System
Exhaust Fans
 

Cooling System
Wet pads

   
  Heating System
     
  Horizontal distribution fans
   
 

Nutrient Delivery System
Fertigator
   
  Control Unit
(Fans, Openings, Heaters, Courtain shades)
     


 

home | about us | new | tomatoes live! | basics | photo library | instruction | research | extension | facilities | faculty/staff | virtual learning | links | contact us
Copyright 2001, UA Controlled Environment Agriculture Center