Fire alarmsmoke detector wireless alarm system diy for smoke detector fire alarm
USD $20.00 - $20.00 /Set
Min.Order:1 Set
Shandong Beirenhuizhi Energy Development Co., Ltd.
Fire alarmsmoke detector wireless alarm system diy for smoke detector fire alarm
Features:
o Works on principle that infrared scatters on smoke surface
o Probes smoke which is generated by incomplete combustion at initial stage of fire
o Smoke detector consists of photoelectric system, signal processing identification and alarm
circuit
o Infrared scatters on surface of smoke when smoke enters darkroom of detector
o Photoelectric diode receives scattered light and generates photoelectric signal current
o Photoelectric signal generates alarm signal after being processed by identification circuit,
accordingly purpose of alarming is achieved
• Specifications:
Power supply | 9V DC Block battery/PP3 |
Static current | ≤10µA |
Alarm current | 16mA |
Humidity | 0to95%(40±2°C),no condensing or icing |
Quiescent current | 8µA |
Operating temperature | minus10°C to 50°C |
Alarm decibel | ≥85dB at 10feet(3 meters) |
Test button | To verify the proper functioning of smoke alarm |
Smoke sensitivity | 0.086 dB/m to 0.140 dB/m |
Low voltage warning | Smoke alarm beeps every 40 seconds for 30 days (minimum) to indicate a need of battery replacement |
1. Packaging: Neutral packaging or Beirenhuizhi logo packaging. then in standard carton. usually
100pieces/carton. according to the specific products.
2.shipping: 2 days for sample orders. others, according to the quantity of the order. can be
negotiated.
1) We can ship to worldwide
2) Payment: Western Union, T/T, L/C, West union,Paypal
3) Shipping: DHL, UPS,TNT, EMS, and other courier available as required.
4) Delivery time: 7-15 days after your full payment.
Please kindly contact us if you are interested in our products, we will offer you the best service and most
competitive price .