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The photoelectric detector detects the smoke by a couple of infrared diodes. The principle of detecting is granule in the smoke can reflect infrared light. Infrared diodes are placed in the special chamber. The chamber can shield external light,but don't affect the smoke into it. While have no smoke,the diode can receive very weak infrared light.
Features:
*Test by hand. *Auto reset. *Asic adopted. *Anti-light. *Strong adaptability circumstance. *SMT design,High stability. *All-round detection angle *Suitable for Home, Office, Hotel, etc.
Specification:
Product Name: photoelectronic smoke detector Model Number: SKU441230 Operating voltage: DC 9V Static current: ≤10uA Alarm current: 20-5mA Indicate alarm: Red LED Flash Sound level: ≥85dB/m(10ft distance) Low pressure alarm: 6.8V Operating temperature: 4°C~50°C (40¬トノ-120¬トノ) Operating humidity: ≤95%RH Detecting Area: 20 square meter Installation height: ≥6m Alarm Output: sound&flash alarm Size: 113x38mm Color: White Weight: 138g
Package includes:
1 x Photoelectronic smoke detector (with accessories) 1 x Manual for photoelectronic smoke detector 1 x Mount 2 x Screws