Reference:
FS-2500E
The FP-2500E sensor combines flame detection and infrared detection up to 10 meters away, pet immune option and adjustable detection area for the infrared part, alarm memory, and time selection for flame detection. Independent detection outputs, combined “AND” detection output for a configurable time period, and forced alarm skip regardless of the setting for reoccurring or continuous flame detection for more than 15 or 30 seconds.