The Fyreye MkII Rate of Rise heat detector (MKII-AHR) uses a thermistor arrangement to sense a quick rise in temperature and also a final threshold temperature of 57°C. The Fyreye fixed heat detector (MKII-AHF) has a single thermistor arrangement that gives an alarm at a temperature of 90°C.
Designed to meet EN54 requirement
Lockable to base to stop unauthorised removal
Remote LED output
8 LEDs for improved, 360° visibility
Compatible with all Fyreye MkII bases
Addressed with dip switches or hand-held programmer
Detector Class: Rate of Rise & Fixed Heat Detector A1R
Design Standard: EN54 part 5
Operating Voltage: 17 to 28V DC
Quiescent Current: 500μA
Alarm Current @ 24V DC: 5mA
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
IP Rating: IP43
Start-up Time: 10 Seconds
Size (with Base): 100 x 48 mm
Weight (with Base): 75g (133g)
Remote Output: 20mA at 24VDC
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