Fyreye MKII Conventional Rate of Rise and Fixed Heat Detector

Zeta Alarms

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    Fyreye MKII Conventional RoR & Fixed Heat Detector

    The Fyreye MKII Rate of Rise heat detectors (MKII-HR) uses a thermistor arrangement to sense a quick rise in temperature and also a final threshold temperature of 57°C.

    The detector will work with most modern fire alarm control panels, and comes supplied with a locking grub screw to prevent unauthorised head removal.

    Each Fyreye detector requires a base - view the range of Fyreye Detector Bases.


    • Certified to meet EN54 requirement
    • Lockable to base to stop unauthorised removal
    • Remote LED output
    • Compatible with all Fyreye bases

    Technical Specification

    • Model : MKII-HR & MKII-HR/B
    • Detector Class : Rate of Rise & Fized Heat
    • Design Standard : EN54 part 5
    • Approval : DIFT
    • Operating Voltage : 9-33V DC
    • Quiescent Current : 40 μA
    • Alarm Current @ 24V DC : 34mA
    • Operating Temperature : -10°C to +50°C
    • Minimum Continuous Temperature : 0°C
    • Maximum Humidity : 95% RH Non Condensing
    • Alarm Condition : Rate of Rise or Fixed Heat trigger @ 57 °C
    • Coverage : 50m2
    • IP Protection Rating : IP 43
    • Start-up Time :10 Seconds
    • Size with Base : 100 x 48mm
    • Weight (with Base) : 75g (133g)


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