Absolutely....It's a "smoke" detector.
Americium become to be largely used in smoke detectors after 1970.
Americium (isotope 241) is the most common radioactive element used in smoke detectors.
Americium (pronounced /ˌæməˈrɪsiəm/) is a synthetic element that has the symbol Am, the atomic number 95, and is used in smoke detectors.
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AMERICIUM 241!
No
Smoke detectors detect smoke by not detecting it. They sense not the smoke, but the oxygen levels surrounding it. when the oxygen levels drop, or when smoke replaces the oxygen, the alarm goes off.
Smoke detectors are devices that detect smoke. They are used as warning devices in houses to warn people of fire.
Because the smoke detector uses power while trying to detect smoke.
Smoke detectors
Laser detectors detect laser speed devices and Radar detectors detect radar speed devices.Unfortunately it's usually too late when they detect Lasers.
Americium (241) is used in smoke detectors that use "ionizing radiation" to detect changes in the air. Other types of detectors use photo-electric sensors based upon a variety of photo-sensitive chemicals.
One home smoke detector is not simply enough for any home. Often times, a fire is able to spread rapidly throughout a home because a smoke detector is unable to detect it. With multiple smoke detectors installed in a home, a home owner ensures that a fire will be sensed as soon as it is created. While multiple home smoke detectors may be quite expensive, they are a worthwhile investment. There are a few areas any home owner should be sure to install smoke detectors. These areas are a kitchen and any children's rooms. Bathrooms typically do not require smoke detectors.
Fire detectors do not detect the presence of fire, rather they detect heat or smoke depending on the type of detector. Smoke detectors have a light inside which shines on a receiver when smoke is present in the room it rises up and causes a break in the light therefore activating the alarm, this also makes it common for false activations in these types of alarms due to dust and dirt in the air. Heat detectors on the other hand have a small plate on the outside which is temperature sensitive. Heat detectors can be reactant to different levels of heat depending on what their use it. Usually they are made to activate at around 185 degrees F. When the ambient temperature reaches this (very low temperature for a fire) the metal plate will melt off its contact points therefore activating the alarm. These are just two types of detectors.
Masterguard Smoke Detectors are made in Coppell, TX.
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There are several types of smoke detectors that can be used in the home. Interlinked smoke detectors can interlink smoke and heat detectors for better convenience. Also, wireless units can be configured specifically to your needs. More safety and smoke detector information can be found on: http://www.safelincs.co.uk/Smoke-Alarms/