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The increasing benefits of CO2 measurement

1st July 2020

It was over 10 years ago that the Government launched the initiative to control CO2 in the classrooms of educational settings, part of the Buildings Schools for the Future programme. It was obvious that it could make a real difference to the learning experience by reducing lethargy and heightening alertness. Especially when I think back to my school days in stuffy classrooms, struggling to concentrate and easily distracted by something more interesting and usually mischievous – my poor teachers! The measurement and ability to control CO2 seemed to be such an easy and obvious improvement to make that would benefit both teachers and students.

Of course, not all schools have sophisticated Buildings Managements Systems (BMS) to introduce fresh air. Devices with simple traffic light indication of levels made it easy for a teacher to see if the levels were high and make a simple change such as opening a window and door to introduce some air circulation.

Back at Sontay HQ, we used our own devices to monitor our spaces and regularly noted the traffic light indication moving to amber and then red when occupancy was high. This was particularly obvious in our open plan offices and meeting rooms. We would also notice that people began to feel “groggy” and less comfortable in correlation with higher CO2 levels so would introduce more fresh air into these spaces when needed. 

It is little wonder that many people are now talking about using the measurement and control of CO2 levels to support bringing people back into some sort of normality from the pandemic lockdown. CO2 measurement is an excellent method of monitoring occupancy and air quality. By monitoring and controlling your spaces to ensure CO2 levels don’t go over a certain level you can maintain optimum air quality. A visual indication of this through the traffic light system also can offer a feeling of security to the occupants in knowing there is good air circulation and the risk is low.

Experts at CIBSE have produced a series of publications and guides on how to make indoor spaces as safe as possible called “Emerging from Lockdown” which also refer heavily to air quality and CO2 measurement and control. 

The Sontay CO2 product range is fully equipped to offer the sensing and measurement required and offers a full range of LCD and LED displays to give indication and that visible element of security to occupants. 

These devices can also combine the measurement of RH and Temperature in the same device: 

GS-CO2-S - Carbon Dioxide, Temperature and optional RH Sensors

GS-CO2-D - Carbon Dioxide, Temperature and optional RH Sensors

GS-CO2-xx-UN - Single Output Carbon Dioxide Sensors

 

We also offer a Smart Sensor version for CO2 measurement, which can combine with up to 7 other sensing variables communicating over BACnet or Modbus protocols.

There are many other HVAC products and applications that are supporting the response in other ways and at Sontay we will do all we can to get these products where they are needed as quickly as possible.

Click here to take a look at how the DAERA building in Ballykelly, Northern Ireland is using CO2 measurement to monitor and control its indoor spaces.