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CO2 Controller, 0-5000PPM Carbon Dioxide Controller with Human/Plant Mode, 15ft NDIR Probe, LCD Trend Display, Audible Alarm, Day&Night Relay, CO2 Monitor for Greenhouse, Grow Rooms

  • Based on 149 reviews
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Availability: In Stock.
Fulfilled by Amazon

Arrives Friday, Jul 24
Order within 16 hours and 8 minutes
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Features

  • Dual-Mode AutomationThis CO2 controller runs Plant or Human mode. Plant mode starts your CO2 generator when levels drop below target. Human mode turns on ventilation when levels rise. Help feeding crops or clearing air with zero manual checks.
  • High Precision NDIR SensorThis CO2 monitor uses a 2-channel low-drift NDIR sensor, accurate to 50 ppm or 5% over 0-5,000 ppm. Readings update every 1 second, delivering exact target readings to protect different sensitive crop.
  • 15ft Probe, Day&Night RelayThe CO2 regulator features a 15 feet (4.5m) external probe. The built-in photo-cell detects light and pause CO2 generator at night, saving you up to 25% on gas costs during dark plant cycles.
  • Trend Display,Threshold AlarmThis CO2 meter tracks CO2 level trend across 5 time scales on the LCD screen. It shows max/min records and equips with an optional buzzer alarm, altering you when the CO2 level exceed the setting threshold.
  • Easy Piggyback SetupThis carbon dioxide controller equips a 10A US piggyback socket for direct CO2 generator/ ventilation device connection. It eliminates 100% of extra relay boxes and electrician fees, saving you setup time and installation costs.

Brand: DANOPLUS


Style: ‎CO2 Controller


Power Source: AC100~240VAC


Color: CO2 Controller


Product Dimensions: 19.69"D x 6.22"W x 4.17"H


Item Weight: 12.8 ounces


Alarm: Audible


Operating Humidity: 95 percent


Sensor Type: Non Dispersive Infrared


Unit Count: 1.0 Count


Power Source: AC100~240VAC


Alarm: Audible


Sensor Type: Non Dispersive Infrared


Operating Humidity: 95 percent


Product Style: ‎CO2 Controller


Color: CO2 Controller


Item Dimensions D x W x H: 19.69"D x 6.22"W x 4.17"H


Item Weight: 12.8 ounces


Brand: DANOPLUS


Model Number: KB0297


Unit Count: 1.0 Count


Number of Items: 1


Manufacturer: DANOPLUS


UPC: 619317590304


Built-In Media: CO2 Controller, CO2 Sensor, screws and tapes and English Instruction Manual


Mfr Part Number: KB0297


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Jul 24

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Damn good!!!
Color: CO2 Controller
This thing works the best out of all of the CO2 controllers. Don’t waste your time buying any other one I did and it was a waste. It’s very accurate and easy to use I highly recommend.
Reviewed in the United States on December 3, 2023 by Bill burns

  • Solid controller
Color: CO2 Controller
I am pleased with this controller. I own a mushroom growing operation and recently gave this controller a shot because my old one finally kicked the bucket. I like the options and easy readout of this one. It was easy to program and calibrate. It took about 20min to setup all my preferences and then it was back to work. I have had it several months now and I recalibrated last week once and it had only swayed 18ppm that is good enough for government work as they say. The price was on point and I will be buying two more for our next expansion. ... show more
Reviewed in the United States on May 17, 2026 by Kris Cross

  • Great monitor/controller! Good as the more expensive competitors
Color: CO2 Controller
This controller works like a charm. Absolutely accurate and it couldn't be easier to set up. Numbers are large so you can see them and the co2 remote detector has a green light so it doesn't disturb light cycle of plants. $100 less than the leading brand and works just as well!
Reviewed in the United States on June 21, 2022 by Mark

  • Super accurate Super accurate
Color: CO2 Controller
This works fantastic so far , it’s very accurate, if I put it with pulse it’s all but identical, on opposite sides of tent it is about 80 ppm off but it’s the distance from the co2 emitter . Otherwise it’s right on .
Reviewed in the United States on March 12, 2024 Reviewed in the United States on March 12, 2024 by Dewey Corage

  • It’s not working after 5 months
Color: CO2 Controller
The controller is not very intuitive or helpful from a user interface or a data standpoint. I used it in a mushroom fruiting chamber for 5 months and it was great. I took everything apart to make a new one and when I plugged it back in a week later it’s getting intermittent power for some reason. I didn’t drop it or have any other changes to the device that would cause a malfunction. I took the case apart to check the connections and everything is secure like it should be. Fuse is good. No idea what else to do since everything is in the motherboard. Do I have to buy a new one? I’m stuck without it. Very frustrating. ... show more
Reviewed in the United States on April 6, 2023 by OOMHz Cacao

  • It serves its purpose.
Color: CO2 Controller
This product works as stated. A good basic controller.
Reviewed in the United States on March 22, 2023 by Kenneth Brown

  • Worth the price
Color: CO2 Controller
Needs to be recalibrate before you use it. Works pretty good for the price.
Reviewed in the United States on March 30, 2025 by Robby Lynch

  • Love this controller
Color: CO2 Controller
I just wrote a review on the controller I had before this one and theirs was 2 stars. This controller is great! I love it! The value is excellent, the air quality stay in line with exactly what I need it to be and the installation was a walk in the park including set up. I was worried about getting my co2 levels adjusted but I had no issues getting it going. ... show more
Reviewed in the United States on December 26, 2024 by Deon Rosegreen

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