• 888-815-9763 Sales & Support Mon - Fri, 8am - 5pm PST. Instagram Facebook Twitter Google + Youtube


Complete Grow Tent Packages

Complete Grow Tent Packages

Start growing indoors today!

Complete Nutrient Packages

Sun System Reflectors on Sale

Deep discounts on many reflector models!

Hydrobuilder Warehouse Deals

Grow Tent Blowout Sale

Hydrobuilder grow tents on sale now!

Hydrobuilder Learning Center

Expert growing advice and tips!


Autopilot Desktop CO2 Monitor

Item #: APCEM

Your Price:

In Stock

In stock items ship within 24 hours
FREE Shipping!

100% Discreet Shipping Price Match Guarantee The HB Difference

Warranties | Returns & Replacements

Autopilot Desktop CO2 Monitor

Additional Images


Developed to detect the presence of CO2 in ambient air, the Autopilot Desktop CO2 Monitor is smart, compact and easy to use!

In addition to measuring the CO2 concentration, the APCEM also measures the ambient temperature and the relative humidity. High quality LCD display. Independent CO2, RH and temperature readings. Calculates and displays ventilation rates.

  • Built in data logger can store 48 sets of CO2, temperature and humidity over 24 hours; one log every 30 minutes
  • Min/max mode records the maximum and minimum concentration of CO2 since the device was last turned on
  • High altitude setting allows you to compensate for specific location with adjustable altitude set points

Power adapter (included) accepts 110-240V, 50-60Hz


Has Photocell No
Brand Autopilot
Weight (lb.) 0.8
Length (in.) 4
Width (in.) 5
Height (in.) 6
Warranty Yes
Free Shipping Yes

Autopilot Desktop CO2 Monitor Questions & Answers

What does Error Code "Err3" mean?

The ambient temperature has exceeded the operating temperature range of 32F - 122F (0c - 50c). This error will clear when the temperature returns to the range between 32F - 122F.

Customer Reviews

good Review by Mike
Bought 2 works great

(Posted on May 23, 2016)
Share this review
Do you find this review helpful? 
Inappropriate review? 

Shipping Info:

Free Shipping

Ships Via FedEx/UPS

Questions about this product?
Contact us for advice or more details. Our product specialists are here to help.
Email an Expert
Report an issue on this page

Why Shop with Hydrobuilder?
We offer the best service and support in the industry. Your complete satisfaction is our goal.