Universal tube adaptor
Houses all types of detector (analogue or conventional). The detector base (not included) fits inside and is secured firmly in place by means of two screws (included). A practical terminal board makes wiring easy.
It provides early warning of smoke by continually sampling air movement within heating and ventilation ducts in industrial and commercial buildings.
Based on the Venturi principle, this device has been designed to operate with an optical smoke detector and adequate length airsampling tube. It operates at an air velocity of between 0.5m/s to 20m/s.