Ventilation system with the filter system and safety monitoring system for the venting of enclosures

摘要

Ventilation system with the filter system and safety monitoring system for the venting of enclosures, in particular safety cabinets, for the storage of chemicals characterised in that it is for the monitoring function of the concentration of the harmful substances from the interior of the housing (1) also the concentration of the harmful substances from the ambient air (2) is taken into account