Dimlux CO2 Sensor - For Use With The Dimlux Maxi Controller

Save £106.31

Size: 5 metre
Sale price£379.68 Regular price£485.99

Accurately Detects CO2 Levels in the Grow Area

The Dimlux CO2 Sensor provides accurate information on the CO2 content of the atmosphere in your grow area. At the same time, it is also used to power the Dimlux CO2 Regulator, so that carbon dioxide is released according to how much CO2 is actually required, maintaining optimal levels at all times. The built-in light sensor will even let the system know when the lights are off, ensuring that CO2 is only distributed when necessary for the process of photosynthesis.

How the Dimlux CO2 Sensor Works

The Dimlux CO2 Sensor detects levels of carbon dioxide present in the surrounding atmosphere and feeds the information back to the (separately available) Dimlux Maxi Controller. The Sensor also powers the (separately available) CO2 Regulator.

This system ensures that optimal levels are distributed at all times, minimising wastage and maximising plant growth. The CO2 Sensor will even shut down CO2 distribution automatically during lights-off, thanks to it's built-in light cell.

CO2 supplementation is an absolute must in closed loop environments, where little-to-no fresh air is drawn in from outside. Users of the Opticlimate have been running their climate control systems in conjunction with the Maxi Controller's CO2 distribution system to great effect. The results are, quite simply, staggering!

For more information on CO2, read this article on the One Stop Grow Shop Blog.

To see our full CO2 Enrichment range, click here



1 x CO2 Sensor, 1 x 2-pin to 3-pin adapter, 1 x 5m or 10m cable (choose your size above)


  • Provides accurate information on CO2 concentration
  • Ensures precise CO2 dosing at the correct ppm
  • Quick and easy, hassle-free installation
  • Built-in light cell for auto-shutdown during lights off
  • Dual-beam nondispersive infrared (NDIR) sensor
  • Powers a separate CO2 Regulator
  • Simple calibration using fresh, outside air
  • Ideal for closed loop systems - perfect for use with the Opticlimate
  • Comes with 5m or 10m cable

How To Use

How to Use Dimlux CO2 Sensors

The Dimlux CO2 Sensor will need to be hung in the canopy area at roughly the same height as your plants. Make sure that the light cell is exposed to light, otherwise it will not switch off automatically during dark periods. The CO2 Sensor has a built-in 2-pin plug on the back of the unit and comes with a 2-pin to 3-pin adapter so that it can be plugged into a UK mains supply. We recommend purchasing a separate extension cable so that the sensor can be positioned in a suitable spot.

The 2-pin socket on the front of the Sensor is used to power the separately available Dimlux CO2 Regulator. The Regulator attaches to a CO2 cylinder, releasing the gas whenever necessary via solenoid valve.

The sensor can be calibrated using the Maxi Controller. Outside CO2 levels sit at around 400ppm. By positioning the sensor in an outside area and taking a reading, you can then see how close the sensor is to detecting the correct level (400ppm). If the sensor is detecting levels above or below the correct ppm level, then the reading can be changed to the correct level, thus calibrating the system.

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