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Better Air Quality means Better Performance

We have all had that situation when we have attended meetings, where an individuals performance has lacked. In most of these cases, this is a direct result of the poor quality of the air in the room.

Uncomfortable situations like this need not arise. CO2 displays by Rotronic make it easy to measure air quality, and the results can be used to initiate the appropriate measures. In an enclosed room, some 25 to 35 cubic metres of fresh air per person per hour are needed, given normal activities. This is a real challenge for building management systems as ventilation is costly due to the energy required but room use varies hugely throughout the day. CO2 is the best measure of use building up relative to the number of occupants, activity level and level of natural ventilation.

This ensures that the carbon dioxide (CO2 ) content remains below 1,000ppm (ppm = parts per million [value of the proportion of carbon dioxide in the air]), and that the volatile substances exuded by humans are extracted to a sufficient degree. By comparison, the CO2 concentration in outdoor air is around 400ppm. The CO2 concentration is a good indication of the quality of the air in a room.

Careful planning of ventilation systems

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Today, however, an adequate supply of fresh air cannot be taken for granted. In densely built-up housing areas, normal ventilation through the windows is of limited value. A good room climate cannot be achieved by regular airing in all buildings – climate regulating systems are a necessity.

Building owners and ventilation planners should therefore conform to the specifications in the SWKI Directives –“Hygiene requirements for room air systems and devices” – starting with the positioning of the air intake, through the controls of the ventilation and heating systems to the instruction of the occupiers. In the case of more complex systems, the responsibilities for surveillance and maintenance must also be clearly defined. . To keep the ventilation systems functioning reliably, and to
keep them hygienic, they must be carefully planned, constructed, regulated and maintained. Rotronic CO2 displays or CO2 transmitters can then be used to monitor and control these ventilation systems, using our  Rotronic Monitoring System live data is available at all times and alerts can be triggered if conditions are not suitable.

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CO2 Display
The wall-mounted or bench-top CO2 display is an inexpensive display unit that simultaneously measures and records CO2 , humidity and temperature. Equipped with the field-tested and proven ROTRONIC HYGROMER® IN-1 humidity sensor, this instrument offers unbeatable value for money, ideal for existing buildings where control systems cannot easy by modified, such as schools, offices, catering areas multi-use spaces. The instrument can be configured directly with buttons, and stored data can be exported to a USB stick for analysis with the free Rotronic software package SW21.

Be sure to get in touch if you have any questions on the above or have any measurement requirements.

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