Edwards SIGA-PDI Addressable Photoelectric Smoke Detector

Signature series addressable photoelectric smoke detector. The device transmits the measured value to the panel as raw data; the alarm decision is made in the loop controller, taking into account the device's historical behavior. This architecture reduces false alarms compared to conventional detectors that rely on a single instantaneous reading and enables contamination compensation to be monitored from the panel. It is used in standard premises such as offices, hotels, hospitals, and schools.