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Home >> Photoelectric smoke detector series >> Photoelectric smoke detector CHJ-2988
Photoelectric smoke detector CHJ-2988
    Publish time 2017-05-20 15:47    
Photoelectric smoke detector CHJ-2988
Product Name: Photoelectric Smoke Detector CHJ-2988
Product Category: Photoelectric smoke detector series
Detailed description:

Features:

     ◆ photoelectric detection mode
     ◆ Ceiling installation
     ◆ optical maze
     ◆ Uses low power CMOS microprocessor
     ◆ special moisture-proof design
     ◆ independent / networking / wireless output (optional)
     ◆ manual test, manual reset function
     ◆ stable and reliable performance
     ◆ single-sided PCB technology
     ◆ ultra-thin structure design
     ◆ unique design, dust, pest control, anti-external light interference
 
product information
 
sensor
  Optical chamber maze
 
Operating Voltage
  12 / 24VDC
 
Working current
  Electrostatic current less than 10ua Alarm working current 10 - 30ma
 
Smoke sensitivity
  Compliance with ul217 standard test value per second 3.2% weak gray smoke detector response
 
working environment
  -10 ° C to 50 ° C
 
Alarm volume
  10 feet at 85 dB