• Address can be set in field
• Fault self-diagnostic
• Reed switch testing
• Built-in MCU can store 14 history messages
• Remote indicator output available
• Polling LED can be set to close
• 2 levels smoke sensitivities programmable, complies with UL268. Heat part complies with UL521
• UL listed
• Operating voltage: Loop 24VDC(16VDC~28VDC)
• Operating current:
Standby current: 0.8mA
Alarm current：≤1.8mA (without remote indicator)
• Setting of sensitivity and range:
Level 1: 1.23%~2.7% per ft
Level 2: 2.0%~3.89% per ft
• Action Temperature: 57.2℃
• Operating Environment:
Temperature: 0℃ ～+37.8℃
Relative Humidity: 95%, non-condensing
• Dimensions: Diameter: 100mm Height: 54.5mm (with base)