Feature

    ☆ Strong environmental adaptability due to drift compensation
    ☆ Remote indicator output available
    ☆ Reed switch test
    ☆ Self-diagnostic
    ☆ Polling LED can be set to OFF
    ☆ 3 levels of smoke sensitivity programmable, complying to
        UL268 7th Edition; Fixed temperature feature complies to
        UL521

Technical Specifications

    ☆ Operating Voltage: 24VDC (16V~28V)
    ☆ Standby Current: ≤70μA
    ☆ Alarm Current: ≤55mA
    ☆ Fire LED: Red. Flashes in polling, and illuminates steadily in
        alarm
    ☆ Fault LED: Yellow. Illuminates steadily in fault
    ☆ Remote Indicator Output: Polarity-sensitive output, directly
        connects to remote indicator (built in 10k resistor in series with
        max. output current 2mA); Flashes in alarming and does not
        illuminate in normal state
    ☆ Programming Method: Electronically addressed
    ☆ Max. Ripple Voltage: 2V (peak to peak)
    ☆ Alarm Reset: Instantaneous cut off (min. 10 seconds, max.
        1.0VDC)
    ☆ Wiring: Power: two wire, polarity-sensitive Remote indicator:
        two-wire, polarity sensitive
    ☆ Smoke sensitivity Range:
        Level 1: 1.38%~3.38%/ft
        Level 2: 2.25%~4.25%/ft
        Level 3: 3.12%~5.12%/ft
    ☆ Max. spacing (when used as heat detector only) : 50 ft.
        (15.2 m)
    ☆ Action Temperature: 135° F (57.2℃)
    ☆ UL Approved Environment Temperature: 2° F (0°C)~120°
        F (49°C), 0~95%，non-condensing
    ☆ Operating Environment Temperature: 14° F (-10°C) ~122°
        F (+50°C), 0~95%, non-condensing
    ☆ Ingress Protection Rating: IP2X
    ☆ Dimensions:
        Diameter: 100mm
        Height: 54.5mm (with base)
    ☆ Mounting Hole Distance: 45mm~75mm
    ☆ Weight: About 110g