CO2 Monitors

Tempcon specialise in non-dispersive infrared (NDIR) CO2 monitors, meters and data loggers, including portable/handheld & mains powered industrial CO2 data loggers that enable you to download carbon dioxide ppm senser data to your mobile device. We are the exclusive UK & Ireland distributor for Onset HOBO carbon dioxide data loggers; these USA-manufactured industrial NDIR CO2 meters are known for their superior accuracy and build quality. 

Buying in Volume, or Need Some Friendly Advice on How Best to Measure CO2 Levels?

Our technical sales team will be happy to recommend the best carbon dioxide measurement & monitoring solution for your needs.
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Why its Important to Monitor CO2

Scientific and medical research correlates poor indoor-air quality (IAQ) and elevated carbon dioxide (CO2) levels to occupant discomfort and productivity loss in offices, schools, healthcare facilities, and dwellings [1-5].
CO2 is a trace pollutant that impairs cognitive and respiratory function.

Sustained concentrations exceeding 600-700 parts per million (ppm) over outside levels are associated with inadequate ventilation and, thus, serve as a convenient proxy for overall indoor-air health [6].
The U.S. Environmental Protection Agency (EPA) identified IAQ as one of the top five most urgent environmental risks to public health [7]. Facility managers and building engineers are often responsible for ensuring optimal ventilation in work and living spaces, yet many are unfamiliar with the scientific rationale or methods to achieve such control. Wireless data loggers that measure CO2, together with temperature and humidity, provide critical real-time awareness—essential to enforcing high environmental standards for occupants.
With long-term CO2 monitoring, building operators gain insights to support better decisions regarding ventilation control and HVAC upgrades—projects that can lead to significant energy savings and improved overall indoor-air quality.
Comprehensive, location-specific CO2 data in building environments also helps to focus HVAC improvements on the most effective and cost-efficient solutions.

CO2 data loggers provide a cost-effective method to assess indoor air quality, helping to eliminate sick-building syndrome and harmful pollutants typical of tight and poorly ventilated structures.

Fortunately, battery-powered CO2 data loggers easily measure indoor concentrations. These compact hand-held devices—roughly the same size and shape as a wall-mounted home thermostat—may reside anywhere throughout a building where CO2 data is needed. Measurements typically range from 0–5,000 ppm. Today’s newer options enable users to access data from mobile devices and quickly download data directly to a laptop, or from the cloud.

Key Points

• Tight-building standards increase risk of sick-building syndrome and poor occupant health
• Offices, schools, healthcare facilities, gyms, and dwellings frequently exceed healthy CO2 levels
• Indoor CO2 concentration over 1,000 ppm correlates to cognitive impairment and dysfunction
• Global CO2 exposure limits vary by country, some more stringent than US standards
• Bluetooth, long battery life, LCD display with alarms, and USB options facilitate data collection
• Automated CO2 logger calibration and proper placement improve measurement accuracy.

References
1. M.G. Apte, W.M. Fisk, and J.M. Daisey, Indoor Carbon Dioxide Concentration and SBS in Office Workers, Indoor Environment Department, Lawrence Berkeley National Laboratory. Proceedings of the Healthy Buildings 2000 Conference, Helsinki, Finland, Vol. 1, LBNL-45109, 2000.
2. Y. El-Nahhal, Alcohol-like Syndrome: Influence of Increased CO2 Concentrations in the Respiration Air, Journal of Environmental and Earth Science, Vol. 3, No. 9, 2013.
3. J. Toftum, B.U. Kjeldsen, P. Wargocki, H.R. Mená, E.M.N. Hansen, and G. Clausen, Association
between classroom ventilation mode and learning outcome in Danish schools, Building and Environment, Vol. 92, 2015.
4. P. Martins, A. Mendes, A.L. Papoila, and D. Virella, CO2 Concentration in day care centres is related to wheezing in attending children, European Journal of Pediatrics, March 2014.
5. J. Tahirali, Poor Air Quality in Toronto Schools Could Impair Learning Environment, CTV News 3 Feb 2015. www.toronto.ctvnews.ca/poor-air-quality-in-toronto-schools-could-impair-learningenvironment-1.2219342
6. ASHRAE 62.1-2013, Ventilation for Acceptable Indoor Air Quality, American Society of Heating, Refrigerating, and Air-Conditioning Engineers, 2013.
7. Questions About Your Community: Indoor Air, United States Environmental Protection Agency (EPA), 13 Sep 2015, Web. www.epa.gov/region1/communities/indoorair.html