Verdict overview
- worth the money 8.4
- Precision 8.6
- Simple to use 9.1
- clearly written 9.3
Pros
Accurate readings: Carbon dioxide, temperature, and humidity.
Data logger: Records stats over adjustable 24h/7d period.
Alarm: Audible alert for low or high CO2 levels.
Cons
Inaccurate readings possible.
Tech specs
color | White/Blue |
thickness | 11 Inches |
batteries included | No |
operating humidity | 95 percent |
warranty description | 1-year warranty |
customer reviews | 4.4 4.4 out of 5 stars 663 ratings 4.4 out of 5 stars |
product dimensions | 3.6W x 4.7H |
item weight | 15.8 ounces |
voltage | 120 Volts |
item package quantity | 1 |
size | Data Logger |
material | led |
power source | Power Adapter |
style | CO2 Monitor & Data Logger |
batteries required | No |
mounting type | Tabletop |

Product Overview
I recently tested out the Hydrofarm APCEM2 Autopilot Desktop CO2 Monitor Data Logger and I must say that I was impressed. This product is an excellent choice for anyone who needs a reliable carbon dioxide CO2 monitor in their grow room or greenhouse. Not only does it monitor the CO2 levels, but it also monitors relative humidity and temperature. The readings are displayed on a clear LED screen with digital memory charts that show and record stats over an adjustable 24 hour or 7 day period.
The device has two channel low drift NDIR gas sensors with audible alarms to alert you if the CO2 levels are too low or too high. It operates in temperatures ranging from 32 to 122 degrees Fahrenheit and 0 95 humidity. It has multiple hanging options so you can easily mount it wherever you need it. Plus, it comes with a green power supply compatible with a standard smartphone charger.

I found the Hydrofarm APCEM2 Autopilot Desktop CO2 Monitor Data Logger to be very easy to use and read. All of the readings were accurate and I never had any issues with it. The data logger also comes at a great price, making it an even better value for money.
Overall, I would highly recommend this product to anyone who needs a reliable carbon dioxide monitor in their grow room or greenhouse. It has all of the features you would need and is easy to use and read. Plus, its great value for money makes it an even more attractive option. If you re looking for a reliable CO2 monitor, then this is definitely one worth considering!
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