Gold Member Since 2007
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WoFu Fire & Security Equipment Co., Ltd.

Conventional Smoke Detector, Addressable Smoke Detector, Smoke Detector UL manufacturer / supplier in China, offering 2 Wire - 4 Wire Smoke Detector, 65mm 2.5 Inch Brass Fire Hose Angle Valve, 25kg to 100kg Wheeled ABC Bc Dry Powder Fire Extinguishers and so on.

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2 Wire - 4 Wire Smoke Detector

FOB Price: US $5.65 / Piece
Min. Order: 500 Pieces
Min. Order FOB Price
500 Pieces US $5.65/ Piece
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Port: Ningbo, China
Production Capacity: 50, 000 Pieces/Month.
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Type: Fire Alarm
  • Anti-Theft Alarm System Type: Smoke Alarms
  • Anti-Theft Alarm System Distance: Common Detectors
  • Infrared Sensor Probe Type: Infrared Temperature Sensor
  • Combustible Gas Detector Model: NA-300
  • Static Current: 10ua
  • Alarm Sound: 85dB
  • Trademark: Welfare
  • Specification: ISO, CE
  • HS Code: 8531901000
  • Anti-theft Alarm System Approach: Active
  • Anti-Theft Alarm System-Wide: Wire Alarm Detectors
  • Types of Smoke Detectors: Photoelectric Smoke Style
  • Infrared Sensor Installation: Ceiling
  • Work Voltage: DC 9V Battery
  • Alarm Current: 12mA
  • Overall Dimensions: D103*H53mm
  • Transport Package: Standard Package
  • Origin: Zhejiang, China
Product Description
2 Wire / 4 Wire Smoke Alarm Detector
1. Product Size: Φ103xH53mm
2. Working Current:
   -Static Current: ≤10μA
   -Alarm Current: ≤12mA
3. Operation Voltage: DC 9V Battery
4. Alarm Sound: ≥85dB(3m)
5. Ambient Temp.: -10°C ~ +60°C
6. Ambient Humidity: ≤95%RH
7. Sensor: Optical
8. Low Battery Alert Remain: 7-15days
9. Standard: CE & EN14604 & RoHS
2 Wire - 4 Wire Smoke Detector

Smoke alarms sound their alarm horn when they detect smoke.Everything preventing the smoke from reaching the alarm obstructs an early alarm.
A single smoke detector provides only limited security.Fire in another room will only be detected after smoke reaches the alarm.It is therefore recommended to install a smoke alarm on every level of the home if not in every room.Inform yourself about fire safety rules and proper behaviour in case of a fire at your fire brigade!
2 Wire - 4 Wire Smoke Detector
Product characteristics
Photoelectric effect
This recently developed photoelectric sensor-camber is insensitive to interfering influences.Every device is separately calibrated in order to avoid false alarms due to,e.g.cigarette smoke.The power supply is electronically regulated,thereby maintaining a constant sensitivity of the alarm.
Battery operation
The functioning of the detector is maintained even in case of a power failure.On an average the battery's(standard 9V battery)service life is 1year.
Signal lamp(LED)
A flashing small light(every 43s)signalises a failure-free operation
2 Wire - 4 Wire Smoke Detector
Product Groups
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