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Digital Feedback Controllers

Price

  • Out of Stock

    Titan Controls® Eos® 2 - Digital Humidity Controller

    Original price $143.82
    Original price $143.82 - Original price $143.82
    Original price $143.82
    Current price $98.99
    $98.99 - $98.99
    Current price $98.99

    The Eos® 2 Digital Humidity Controller makes dialing in your rooms environment a breeze. It can be used to activate a device to increase humidity i...

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    Original price $143.82
    Original price $143.82 - Original price $143.82
    Original price $143.82
    Current price $98.99
    $98.99 - $98.99
    Current price $98.99
    Out of Stock
  • Out of Stock

    Sentinel GPS CHHC-4i (4-Cs)

    Original price $559.46 - Original price $559.46
    Original price
    $559.46
    $559.46 - $559.46
    Current price $559.46

    Original price $559.46 - Original price $559.46
    Original price
    $559.46
    $559.46 - $559.46
    Current price $559.46
    Out of Stock
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    Out of Stock

    Autopilot Analog CO2 Controller

    Original price $220.02 - Original price $220.02
    Original price
    $220.02
    $220.02 - $220.02
    Current price $220.02

    Analog CO2 Controller

    Original price $220.02 - Original price $220.02
    Original price
    $220.02
    $220.02 - $220.02
    Current price $220.02
    Out of Stock
  • Out of Stock

    Sentinel GPS CPPM-4i Fuzzy Logic CO2 Controller (4-Cs)

    Original price $478.38 - Original price $478.38
    Original price
    $478.38
    $478.38 - $478.38
    Current price $478.38

    The CPPM-4i features Sentinel Intelligent CO2 Enrichment (S.I.C.E.) which allows interfaced CO2 enrichment with Sentinel ICG series generators for ...

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    Original price $478.38 - Original price $478.38
    Original price
    $478.38
    $478.38 - $478.38
    Current price $478.38
    Out of Stock
  • Out of Stock

    Titan Controls Eos Complete Humidity Controller

    Original price $328.99
    Original price $328.99 - Original price $328.99
    Original price $328.99
    Current price $224.99
    $224.99 - $224.99
    Current price $224.99

    Original price $328.99
    Original price $328.99 - Original price $328.99
    Original price $328.99
    Current price $224.99
    $224.99 - $224.99
    Current price $224.99
    Out of Stock
  • Out of Stock

    Sentinel GPS BEC-1a PB Basic Environmental Controller (Plug Box)

    Original price $81.08 - Original price $81.08
    Original price
    $81.08
    $81.08 - $81.08
    Current price $81.08

    The BEC-1a Basic Environmental Controller is designed to control fans, air conditioners, dehumidifier and other equipment in gardens, greenhouses, ...

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    Original price $81.08 - Original price $81.08
    Original price
    $81.08
    $81.08 - $81.08
    Current price $81.08
    Out of Stock
  • Out of Stock

    Titan Controls Eos 120V High Amperage Humidity Controller

    Original price $246.43
    Original price $246.43 - Original price $246.43
    Original price $246.43
    Current price $168.99
    $168.99 - $168.99
    Current price $168.99

    Original price $246.43
    Original price $246.43 - Original price $246.43
    Original price $246.43
    Current price $168.99
    $168.99 - $168.99
    Current price $168.99
    Out of Stock
  • Out of Stock

    Autopilot Desktop CO2 Monitor with Memory and Data Storage

    Original price $169.94
    Original price $169.94 - Original price $169.94
    Original price $169.94
    Current price $123.99
    $123.99 - $123.99
    Current price $123.99

    Desktop CO2 Monitor w Removable Data Card

    Original price $169.94
    Original price $169.94 - Original price $169.94
    Original price $169.94
    Current price $123.99
    $123.99 - $123.99
    Current price $123.99
    Out of Stock
  • Out of Stock

    Autopilot Desktop CO2 Monitor & Data Logger

    Original price $149.34
    Original price $149.34 - Original price $149.34
    Original price $149.34
    Current price $108.99
    $108.99 - $108.99
    Current price $108.99

    Desktop CO2 Monitor (16/cs)

    Original price $149.34
    Original price $149.34 - Original price $149.34
    Original price $149.34
    Current price $108.99
    $108.99 - $108.99
    Current price $108.99
    Out of Stock
  • Out of Stock

    Hydro Innovations HydroGen CO2 Monitor

    Original price $276.35 - Original price $276.35
    Original price
    $276.35
    $276.35 - $276.35
    Current price $276.35

    Original price $276.35 - Original price $276.35
    Original price
    $276.35
    $276.35 - $276.35
    Current price $276.35
    Out of Stock
  • Out of Stock

    Sentinel GPS BRT-1aHR PB Basic Recycle Timer High Range (Plug Box)

    Original price $56.62 - Original price $56.62
    Original price
    $56.62
    $56.62 - $56.62
    Current price $56.62

    Original price $56.62 - Original price $56.62
    Original price
    $56.62
    $56.62 - $56.62
    Current price $56.62
    Out of Stock
  • Out of Stock

    Autopilot Desktop CO2 Monitor

    Original price $100.66 - Original price $100.66
    Original price
    $100.66
    $100.66 - $100.66
    Current price $100.66

    Desktop CO2 Monitor

    Original price $100.66 - Original price $100.66
    Original price
    $100.66
    $100.66 - $100.66
    Current price $100.66
    Out of Stock
  • Out of Stock

    Agrowtek Grow Control GC-Pro Quad-Zone Climate Controller (Includes basic climate sensor & ethernet port)

    Original price $1,644.32 - Original price $1,644.32
    Original price
    $1,644.32
    $1,644.32 - $1,644.32
    Current price $1,644.32

    Original price $1,644.32 - Original price $1,644.32
    Original price
    $1,644.32
    $1,644.32 - $1,644.32
    Current price $1,644.32
    Out of Stock
  • Out of Stock

    Agrowtek Grow Control GC-ProXL Climate & Hydro Controller (Includes basic climate sensor & ethernet port)

    Original price $1,997.64 - Original price $1,997.64
    Original price
    $1,997.64
    $1,997.64 - $1,997.64
    Current price $1,997.64

    Original price $1,997.64 - Original price $1,997.64
    Original price
    $1,997.64
    $1,997.64 - $1,997.64
    Current price $1,997.64
    Out of Stock
  • Out of Stock

    Agrowtek Grow Control GC-ProXL Quad-Zone Controller (Includes basic climate sensor & ethernet port)

    Original price $1,997.64 - Original price $1,997.64
    Original price
    $1,997.64
    $1,997.64 - $1,997.64
    Current price $1,997.64

    Original price $1,997.64 - Original price $1,997.64
    Original price
    $1,997.64
    $1,997.64 - $1,997.64
    Current price $1,997.64
    Out of Stock
  • Out of Stock

    Agrowtek Grow Control GC-Pro Climate & Hydro Controller (Includes basic climate sensor & ethernet port)

    Original price $1,644.32 - Original price $1,644.32
    Original price
    $1,644.32
    $1,644.32 - $1,644.32
    Current price $1,644.32

    Original price $1,644.32 - Original price $1,644.32
    Original price
    $1,644.32
    $1,644.32 - $1,644.32
    Current price $1,644.32
    Out of Stock
  • Out of Stock

    Sentinel GPS BPC-1a WM Basic Photoperiod Controller (Wall Mount)

    Original price $68.78 - Original price $68.78
    Original price
    $68.78
    $68.78 - $68.78
    Current price $68.78

    Original price $68.78 - Original price $68.78
    Original price
    $68.78
    $68.78 - $68.78
    Current price $68.78
    Out of Stock
  • Out of Stock

    Sentinel GPS BPC-1a PB Basic Photoperiod Controller (Plug Box)

    Original price $52.09 - Original price $52.09
    Original price
    $52.09
    $52.09 - $52.09
    Current price $52.09

    Original price $52.09 - Original price $52.09
    Original price
    $52.09
    $52.09 - $52.09
    Current price $52.09
    Out of Stock
  • Out of Stock

    Sentinel GPS BRT-1aHR WM Basic Recycle Timer High Range (Wall Mount)

    Original price $63.28 - Original price $63.28
    Original price
    $63.28
    $63.28 - $63.28
    Current price $63.28

    Original price $63.28 - Original price $63.28
    Original price
    $63.28
    $63.28 - $63.28
    Current price $63.28
    Out of Stock
  • Out of Stock

    Sentinel GPS BRT-1aLR WM Basic Recycle Timer Low Range (Wall Mount)

    Original price $68.78 - Original price $68.78
    Original price
    $68.78
    $68.78 - $68.78
    Current price $68.78

    Original price $68.78 - Original price $68.78
    Original price
    $68.78
    $68.78 - $68.78
    Current price $68.78
    Out of Stock
  • Out of Stock

    Sentinel GPS BEC-1a WM Basic Environmental Controller (Wall Mount)

    Original price $93.04 - Original price $93.04
    Original price
    $93.04
    $93.04 - $93.04
    Current price $93.04

    Original price $93.04 - Original price $93.04
    Original price
    $93.04
    $93.04 - $93.04
    Current price $93.04
    Out of Stock
  • Out of Stock

    Sentinel GPS BRT-1aLR PB Basic Recycle Timer Low Range (Plug Box)

    Original price $56.62 - Original price $56.62
    Original price
    $56.62
    $56.62 - $56.62
    Current price $56.62

    Original price $56.62 - Original price $56.62
    Original price
    $56.62
    $56.62 - $56.62
    Current price $56.62
    Out of Stock
  • Out of Stock

    Sentinel GPS BTC-1a WM Basic Temperature Controller (Wall Mount)

    Original price $72.84 - Original price $72.84
    Original price
    $72.84
    $72.84 - $72.84
    Current price $72.84

    Original price $72.84 - Original price $72.84
    Original price
    $72.84
    $72.84 - $72.84
    Current price $72.84
    Out of Stock
  • Out of Stock

    Sentinel GPS BTC-1a PB Basic Temperature Controller (Plug Box)

    Original price $60.68 - Original price $60.68
    Original price
    $60.68
    $60.68 - $60.68
    Current price $60.68

    Original price $60.68 - Original price $60.68
    Original price
    $60.68
    $60.68 - $60.68
    Current price $60.68
    Out of Stock

Digital Feedback Controllers and Green Houses Benefits

Light, humidity, pH and CO2 controllers are available at Zenhdro at great prices. You can use some of these on your desktop without actually being present in grow room with a wireless technology, be it day or night. Agrowtek and Autopilot are some of the brands known for good controllers.