Easy to use, for measuring and controlling the carbon dioxide level in your grow room, accurately maintaining your desired PPM level.
It has a large digital LCD screen divided into zones that makes it much easier and faster to keep track on the parameters (ppm, day, hour, minutes, alarms, etc.).
It comes with an external probe (ppm), with a 4.5 meter cable, and a photocell to activate the controller during the day, since it is not necessary at night.
It has a fuse that protects the controller and can handle CO2 generating devices with loads of up to 1000w.
You can change the probes, to have the controller as precise as the first day.
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