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Zrabra®

Network Photoelectric Smoke Detector Alarm PD-01

Digg(101) ( 8 Reviews)
       
US $13.69
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Are you finding a Smoke Detector Alarm? This is a network photoelectric smoke detector. CPU processing adopted. PIR photoelectric sensor. Auto reset function. Best adaptability with environment. Dustproof, mothproof and anti-white light design. Smoke detectors are typically housed in a disk-shaped plastic enclosure about 150 millimetres (6 in) in diameter and 25 millimetres (1 in) thick, but the shape can vary by manufacturer or product line. Most smoke detectors work either by optical detection (photoelectric) or by physical process (ionization), while others use both detection methods to increase sensitivity to smoke. Sensitive alarms can be used to detect, and thus deter, smoking in areas where it is banned such as toilets and schools. Smoke detectors in large commercial, industrial, and residential buildings are usually powered by a central fire alarm system, which is powered by the building power with a battery backup. However, in many single family detached and smaller multiple family housings, a smoke alarm is often powered only by a single disposable battery. You will Satisfied with the choice.
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Product Description

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  • Specifications:

    • Operating Voltage: DC6V 
    • Consumption Current: ≤10uA
    • Standby Current: ≤10uA
    • Operating Temperature: -10℃ ~+50℃
    • Alarm Output: Network alarm signa/LED alarm
    • Detecting Area: 20 square meter
    • Sensitivity: Class one
    • Dimension: 104 x 49mm / 4.09 x 1.93in(L x W)

    Features:

    • CPU processing adopted
    • PIR photoelectric sensor
    • Auto reset function
    • Auto output N.C./N.O. optional
    • Best adaptability with environment
    • High dendity SMT design, high stability
    • Dustproof, mothproof and anti-white light design
    • Metal shield with high frequency immunity
    • LED alarm

    Details:

    Zrabra Network Photoelectric Smoke Detector Alarm PD-01

    Smoke Detector

    • Metal shield with high frequency immunity
    • Dustproof, mothproof and anti-white light design

    Photoelectric Smoke Detector
    Network Photoelectric Smoke Detecto

    • Dustproof, mothproof and anti-white light design
    • High dendity SMT design, high stability

    Smoke Detector:

    • A smoke detector is a device that detects smoke, typically as an indicator of fire. Commercial, industrial, and mass residential devices issue a signal to a fire alarm system, while household detectors, known as smoke alarms, generally issue a local audible and/or visual alarm from the detector itself.
    • Smoke detectors are typically housed in a disk-shaped plastic enclosure about 150 millimetres (6 in) in diameter and 25 millimetres (1 in) thick, but the shape can vary by manufacturer or product line. Most smoke detectors work either by optical detection (photoelectric) or by physical process (ionization), while others use both detection methods to increase sensitivity to smoke. Sensitive alarms can be used to detect, and thus deter, smoking in areas where it is banned such as toilets and schools. Smoke detectors in large commercial, industrial, and residential buildings are usually powered by a central fire alarm system, which is powered by the building power with a battery backup. However, in many single family detached and smaller multiple family housings, a smoke alarm is often powered only by a single disposable battery.

    Optical:

    • An optical detector is a light sensor. When used as a smoke detector, it includes a light source (incandescent bulb or infrared LED), a lens to collimate the light into a beam, and a photodiode or other photoelectric sensor at an angle to the beam as a light detector. In the absence of smoke, the light passes in front of the detector in a straight line. When smoke enters the optical chamber across the path of the light beam, some light is scattered by the smoke particles, directing it at the sensor and thus triggering the alarm.
    • Also seen in large rooms, such as a gymnasium or an auditorium, are devices to detect a projected beam. A unit on the wall sends out a beam, which is either received by a receiver or reflected back via a mirror. When the beam is less visible to the "eye" of the sensor, it sends an alarm signal to the fire alarm control panel
    • According to the National Fire Protection Agency "photoelectric smoke detection is generally more responsive to fires that begin with a long period of smoldering (called smoldering fires)" also studies by Texas A&M and the NFPA cited by the City of Palo Alto California state "Photoelectric alarms react slower to rapidly growing fires than ionization alarms, but laboratory and field tests have shown that photoelectric smoke alarms provide adequate warning for all types of fires and have been shown to be far less likely to be deactivated by occupants."
    • Although optical alarms are highly effective in detecting smoldering fires and do provide adequate protection from flaming fires, fire safety experts and the National Fire Protection Agency recomend installing what are called combination alarms, which are alarms that either dectect both heat and smoke, or use both the ionization and photoelectric / optical process.
    • According to a graduate research study done by the University of Cincinnati photoelectric alarms where far less likely to produce nuisance alarms, are superior in detecting smoldering fires, and are almost as effective in detecting flaming fires.
    • Something to take note of is the fact that not all optical or photoelectric detection methods are the same. The type and sensitivity of the photodiode or optical sensor, and type of smoke chamber differ between manufacturers.

    Carbon monoxide and carbon dioxide detection:

    • Some smoke alarms use a carbon dioxide sensor or carbon monoxide sensor in order to detect extremely dangerous products of combustion. However, not all smoke detectors that are advertised with such gas sensors are actually able to warn of poisonous levels of those gases in the absence of a fire.
    • Performance differences
    • Optical or "toast-proof" smoke detectors are generally quicker in detecting particulate (smoke) generated by smoldering (cool, smokey) fires. Ionization smoke detectors are generally quicker in detecting particulate (smoke) generated by flaming (hot) fires.
    • According to fire tests conformant to EN 54, normally the CO2 cloud from smoke can be detected before particulate.
    • Obscuration is a unit of measurement that has become the standard definition of smoke detector sensitivity. Obscuration is the effect that smoke has on reducing visibility. Higher concentrations of smoke result in higher obscuration levels, lowering visibility.

    Typical smoke detector obscuration rating

    Type of Detector

    Obscuration Level

    Ionization

    2.6-5.0% obs/m (0.8-1.5% obs/ft)

    Photoelectric

    6.5-13.0% obs/m (2-4% obs/ft)

    Beam

    3% obs/m (0.9% obs/ft)

    Aspirating

    0.005-20.5% obs/m (0.0015-6.25% obs/ft)

    Laser

    0.06-6.41% obs/m (0.02-2.0% obs/ft

    Package Included:

    • 1 x Network Photoelectric Smoke Detector Alarm

Customers' Reviews

Overall:
  ( 8 Reviews)
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I have bought this product

Judith

Bought this item on

06-13-2011
00:00:00 06-13-2011 Top of th line smoke detector Overall:  
  • Other Thoughts: This is the top of the line hard wired smoke detector. Those purchased were to replace two which had reached the end of their seven year life. Very easy to install and very reliable. Very readable instructions. Good packaging.

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Jonah G

Bought this item on

06-07-2011
00:00:00 06-07-2011 Great Replacement Overall:  
  • Other Thoughts: This item is perfect replacement for expired alarm. Please note that these have a life span for 7 years and an will beep until replaced.

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Edwin Bartok

Bought this item on

06-01-2011
00:00:00 06-01-2011 Kidde Combo CO/Smoke Alarm Overall:  
  • Other Thoughts: Great value. Allowed me to upgrade home safety without installing additional alarms. Simple to remove existing alarm and replace in minutes. The only way it could be improved is if it used both types of smoke detection (ionization and photoelectric).

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John S. Ramsay

Bought this item on

05-31-2011
00:00:00 05-31-2011 Kidde Hard WIred CO2/Smoke Detector Overall:  
  • Other Thoughts: This detector came with complete easy to follow installation directions and I had it in and working in less than 30 minutes. We had one of our Fire Captains inspect after we installed the unit and he felt that it was a very good value for the money.

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Knowledge

Bought this item on

05-30-2011
00:00:00 05-30-2011 Works as advertised Overall:  
  • Other Thoughts: Product was easy to install. I installed 2 of these at different levels in my house. If one of the alarms goes off, the other one picks up the alarm signal and it goes off too. I like this feature, but others may not. The voice warning alarm is loud and clear. The battery back up is a nice feature. So far I haven't had any false alarms.

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Mr. Anderson

Bought this item on

04-28-2011
00:00:00 04-28-2011 Great Replacement for Smoke Detector Overall:  
  • Other Thoughts: Replaced a 10 year old BRK Smoke Detector...This Kidde is Great! Hookup took less than 5 minutes, just replaced old pigtail connector, with the included Kidde connectors. The Kidde base feels more sturdy and the sure-lock twist design guaranteed a perfect fit. The Kids love the "voice" warnings (test mode) for Fire & Carbon Monoxide...I also love the visible 120v power indication (green light). Did I mention that Amazon.com has the best price on this unit...yeah, pick one up!

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Mark A. Rossini

Bought this item on

04-07-2011
00:00:00 04-07-2011 Kidde Combo Smoke Overall:  
  • Other Thoughts: The product is a great idea to combine both detectors in one. The voice portion that sounds is quite clear as to whether it is smoke or carbon monoxide. In addition the installation was quite easy for the do it yourselfer. Lastly, it was delivered with a battery installed...what a novel idea!!

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John Silber

Bought this item on

06-26-2009
00:00:00 06-26-2009 The best one Overall:  
  • Other Thoughts: Up until now I've only lived in houses with the usual smattering of random low-end smoke detectors. This smoke detector puts all of them to shame. Installation is incredibly easy. And works very good. This is supposed to be one of the best smoke detectors on the market. I have 5 of them.

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Product FAQs
  • How many smoke detectors should I have in my home? Where should I put my Carbon Monoxide Detector?
  • Check with your local fire department and they will be GLAD to come to your house and show you where to put up all your detectors and also what type of fire extinguishers to have and where to hang them. And it's a good idea in another aspect...the fire department refreshes themselves on your location. They may also provide window stickers for bedrooms and pets.

  • How do I get my smoke detector to stop chirping when it's hard-wired to the electricity?
  • They still have a backup battery. They would be worthless if the power went out wouldn't they? But trust me they all have batteries in them. Just try to take the thing apart as much as possible. And if it wasn't connected to begin with how could it be chirping? haha. Good luck. Maybe look up the model number online of that detector.

  • How can I smoke in my apartment with a smoke detector above?
  • Ya, you can smoke inside. I've lived in apartments exclusively for the past 4 years, unfortunately. I have never set a smoke alarm off yet. There is no need to open windows or anything like that. If it does go off big deal. Put the cigarette out. Other than the inherent dangers of smoking, enjoy the warmth!

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