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They do not offer professional monitoring, so there’s no monthly service contract involved. Monitored home security systems cost between $20 and $60 per month. Although criminology research suggests most intruders flee at the first sound of an alarm, complete home security offers much more than just crime prevention. Protection from house fire or water damage, and assistance with medical emergencies should also be considered. In addition to providing more comprehensive protection, complete home security systems backed by professional monitoring services may also qualify customers for discounted homeowner’s insurance premiums. Learn more about professional home security monitoring.

Posted March, 2011 by Admin

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The First Alert P1010 uses the aforementioned technology, so it has a beam of light inside a small chamber which does not directly hit the photoelectric sensor, but, the moment smoke particles enter the device through the holes in the metallic section, the light gets diverted and it will immediately hit the sensor, thus sounding the alarm. In case a fire is detected, you will be able to hear three beeps, pause, three beeps, pause and repeat, while the LED light will flash rapidly – the LED is located inside the Silence / Test button the horn is loud, reaching up to 85 db, 10 feet away from the device – if you have a hearing impairment, it is advisable to have a look at smoke alarms with built in strobes. 1. Which type of sensors are equipped on the smoke detectors?Smoke detectors can have two types of sensors: ionization sensors, photoelectric sensors or both usually called dual sensors. The ionization sensor is used to sense flashing fires by detecting the small particles generated by these fast burning fires and triggering the alarm. The technology behind it involves using a radioactive isotope of americium usually, it’s Americium 241 to ionize the air inside a chamber and, if the sensor detects any changes in the air, it triggers the alarm.

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Some of them are Samsung Electronics Co.

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Posted February, 2011 by Admin

Filed under Uncategorized | Edit | (7) Comments