Addressable fire alarm systems 2 wire smoke detector sensor 
    	 
    	SPECIFICATIONS:
    	-   		Operating Voltage Range: 15 to 28 VDC
   	-   		Standby Current: 400µA @ 24 VDC (one communication every 5 seconds with LED blink enabled)
   	-   		Maximum Alarm Current (LED on: ) 7 mA @ 24 VDC
   	-   		Operating Humidity Range: 10% to 93% Relative Humidity, Non-condensing
   	-   		Operating Temperature Range: 14°F to 122°F (-10°C to50°C)
   	-   		Smoke Sensitivity: 1.06±.26%FT.
   	-   		Height: 2.2˝ (55 mm) installed in Base
   	-   		Diameter: 4.0˝ (103 mm)
   	-   		Weight: 5.5 oz. (155 g)
   
    	 
    	 
    	Addressable fire alarm system architecture:
  	