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Contact Us


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Digital Control Systems

7401 SW Capitol Hwy. Portland, OR. 97219 USA


Free: 1-877-468-6337

Phone: (503)246-8110

Fax: (503) 246-6747 

CO2 Sensors & CO2 Monitors

PPM Range CO2 Monitors


Our line of CO2 Sensors monitoring PPM ranges includes the AirSense™ brand CO2 Monitor.  Used commonly in the HVAC and Greenhouse Industries, these instruments are accurate, flexible, and affordable.

Percent Range CO2 Sensors


This robust line of CO2 Sensors are designed for laboratory applications and equipment such as CO2 Incubators and environmental rooms.  

With many available options, these controls are very flexible and easily configured to your specific application.  



Indoor Air Quality:
A guide for building owners and facility managers. Provides information about diagnosing indoor air quality problems. "Provides information about diagnosing indoor air quality problems."

IAQ for Schools:
Download a complete, practical plan to improve the air quality in schools.

Improve IAQ, While Saving Energy.
The use of CO2 sensors can save more than $1 per square foot of energy cost annually.