PTIR Triple technology detector for MorleyIAS analogical systems. Combine three independent detection elements to act as a unique device: IR flames detection for alarm verification by radiation levels of the flames generated during the fire, optic and thermic-thermovelocimetric detection class A1R. Ideal for slow or quick progressing fires, and highly immunity. Easy directioning through two dedicated rotary switches. Includes two tricolor LEDs that allows to see the detector status from any position and a action indicator output. Requires B501AP-IV base.