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The Fyreye fixed heat detector (MKII-HF) 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
- Compatible with all Fyreye bases

- Design Standard: EN54 part 5
- Approval: DIFT
- Operating Voltage: 9-33V DC
- Quiescent Current: 40µA
- Alarm Current: @ 34mA
- Operating Temperature: -10°C to +50°C
- Minimum Continuous: Temperature 0°C
- Maximum Humidity: 95% RH non-condensing
- Alarm Condition: Fixed heat trigger @90°C
- Coverage: 100m²
- IP Rating: IP43
- Start-up Time: 10 Seconds
- Size: (with Base): 100 x 48 mm
- Weight (with Base) 75g (133g)