The A3500 Intelligent Heat Detector is a point detection device that continuously samples for temperature variation in the protected area to provide the earliest warning of a fire condition in areas where traditional smoke detection products are not suitable. This detector forms part of the Altair range of aesthetically pleasing low profile detection and alarm products and is fully compatible with all fire control equipment utilising the Argus fully digital communication protocol. An integral magnet test facility allows easy activation to verify correct functionality and reporting.