• Simple installation in seconds
• Audible and visual warning
• Detection of carbon dioxide (CO2) from stale air

• Monitoring of open-plan offices, workshops, etc.
• for all rooms where people spend long periods of time on a regular basis
• due to the exclusive acoust. Not as suitable for classrooms as the CO2 traffic light.
• Reliable reminder to air regularly

D-Series alarms detect elevated CO2 levels in indoor spaces where large numbers of people are regularly present. Typically, these are classrooms, lecture halls, meeting rooms, but also production facilities, open-plan offices and, in general, function rooms.

1400 ppm CO2 in the room air is already considered "very bad air", the maximum workplace concentration MAK in Germany is 5000 ppm, the GX-D1 therefore warns with its loud signal tone already from 2500 ppm for extensive ventilation of the room.

If you have to breathe bad and stale air all the time, you get tired and lose your ability to perform and concentrate. This is particularly noticeable when learning and working.

The immune system is also measurably weakened, which can certainly be seen in the increased number of sick days in open-plan offices and classrooms.
It is the same with aerosols, which cannot be detected directly, but increased CO2 levels are also a measure of virus-laden air.
The GX-D1 cannot prevent infection, but it can at least significantly reduce the risk.

The only remedy is regular airing, which is often forgotten. This is exactly where the GX-D1 warning device comes in. Not only does it warn of increased harmful concentrations, but it also educates you to ventilate in good time, even before the warning tone sounds.