Functional Features：

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This product is a fire detector that operates based on the principle of absorbing or scattering smoke particles to cause changes in the intensity of infrared beams. Suitable for fire alarm in various large spaces. The detector is equipped with a single-chip computer that has comprehensive analysis and judgment capabilities. It can automatically compensate for changes in the external environment, determine fire alarms and faults, and provide status indications through optical signals and relay signals

Technical Parameter：

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Working voltage: DC20V~DC27V (non-polar)
Working current: ≤ 18mA
Alarm current: ≤ 25mA
Response threshold: 1.2dB
Minimum optical path length: 9m
Maximum optical path length: 100m
Protection distance on both sides: ≤ 7m on both sides
Maximum deviation in optical path direction: ± 1 °

Usage environment：

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Environmental temperature: -10~55 ℃
Environmental humidity: ≤ 96% 40 ± 2 ℃
Normal monitoring state ≥ 19V, 10V ≤ fire alarm state ＜ 14V, fault state ＜ 1V.