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Help for optimizing the indoor climate
Quality assured by the Danish Technological Institute
5 identical CLOUDS have been modified to produce the CO2 concentration in ppm for the validation measurements. The tests involved exposure to multiple CO2 calibration gas concentrations, start-up testing, auto-calibration validation and stability testing in an office environment. A calibrated Lumasense Innova 1512 was used as reference equipment.
The results
All sensors were exposed to 5 different CO2 concentrations (451, 786, 1044, 1566 and 2000 ppm) and the results are shown below along with the minimum and maximum values according to the specifications.
The sensors' auto-calibration routine assumes a background concentration of 400 ppm, but the concentration at the test site was 410-430 ppm. This has led to a systematic underestimation of the measured value by 10-30 ppm. This can also be seen to affect the measured CO2 value, which is in the lower part of the area in the graph. 5-day stability testing in an office environment showed all measured values within specifications. Start-up tests at CO2 concentrations of 400 ppm and 1800 ppm showed no problems with accuracy after turning off the devices for 9-15 minutes at low or high CO2 concentrations.
Conclusion for the indoor climate measurement
The 5 SKYER units passed all the tests performed and met the accuracy requirements of +/- 50 ppm +/- 3% of reading.
The test was carried out and validated by Jonas Andersen and Casper Laur Byg from Bioengineering and Environmental Technology
Contact: +45 72 20 19 29.
Download the full report
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Solutions that cover your needs
We are experts in behavior and indoor climate, and we offer tailored solutions for your needs. Our services include:
- Conducted analyzes and action plans for indoor climate
- Installation of SKYER units in institutions, schools, secondary education, municipal buildings and senior centers
- Provision of educational systems on fresh air for school students
- Preparation of reports and monitoring for the municipality's climate officer
Contact us to find out how we can help with your indoor climate measurement and improvement of the indoor climate.
You can also easily buy the SKYER units yourself and get started in a few minutes.
