Listed below are some important product information and categories which will be required when making a selection of the type of signalling unit that will best suit your application. There…

Sirens Sirens are high frequency devices usually continuously rated and are electric motor driven. Air  is pulled in through a multi bladed impeller and pushed out through radial vents. The…

A Guide To Selecting And Positoning Wide Area Sirens When selecting a siren, a careful study of the specific project is required. Although Sirenco will always be prepared to give…

The frequency is the identification of a note and is usually defined by the number of vibrations per seconds.To measure frequency one should use a frequency meter. In cases where…

Ingress Protection (IP Rating) Each product in this catalogue has been evaluated against the IP rating system. This is intended to allow the installer to establish the product is suitable…