Electric installation device with a display for room air quality

摘要

The electrical installation device (1) has a concealed equipment panel, a central sensor part (13) and a cover frame (25). The concealed equipment panel has a power supply unit. The central sensor part has a carbon di-oxide determining indoor air quality sensor, a color display light indicator (16) and a controlling unit. The controlling unit controls a sensor signal of the indoor air quality sensor by a sensor signal evaluation unit.