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What are the Advantages and disadvantages of ionization type smoke detector?
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When was the fire detector invented?
The ionization type smoke detector was invented in 1931 in Switzerland.
What household device uses the rare synthetic element americium?
ionization smoke detector
How does the sensor control smoke detector?
The smoke detectors use the photoelectric effect or a sensor based on the ionization differences between smoke and air.
Advantages and disadvantages of an ionization smoke detectors?
Cheap and effective when maintained properly. Smoke detectors will run out of battery over time as they are not wired in to the houses electrical system. Statistics show that far fewer people die in house fires when smoke alarms are present. When the smoke alarms are placed to close to bathrooms steam may interfere with the detector, triggering false alarms. Ionization detectors seem to respond better with high flames which could be a problem under certain circumstances.
Explain why americium-241 would be an ideal isotope to use in a smoke detector?
Alpha particles from americium ionized the air. An air with smoke has a different ionization, ionization currents which are also different are measured, compared and the detector (which is before calibrated) is ready !
Was there americium in the first smoke dectores?
Alpha particles from americium ionized the air. An air with smoke has a different ionization, ionization currents which are also different are measured, compared and the detector (which was before calibrated) is ready ! The americium smoke detectors (with ionization) are not the first smoke detectors.
Where and how is americium used in the home?
It's used in smoke detectors. It ionizes the air in the detector, and the electrons displaced by the ionization flow between two plates. Smoke disrupts this flow, the detector sees the change in current as proof of a fire and sounds the alarm.
Why is the isotope americium 241 safe to use in smoke detectors?
An ionization type smokes detector with 241Am is sure if you don't destroy this device.
When was the first ionization smoke detector invented?
The ionization chamber smoke detector was invented in the early 1940s in Switzerland , and introduced into the U.S. in 1951.While American inventors upgraded burglary protection, Europeans improved the art of fire detection with the ionization smoke detector. The technology was invented in Nazi Germany to protect munitions plants in the late 1930s. Thereafter, Swiss scientists working for the firm Cerberus refined the German model. In the mid-1950s, Cerberus (now owned by Siemens) began marketing smoke detectors in America through the company Pyrene, which was owned by Baker Industries.Check these links:http://www.orau.org/PTP/collection/consumer%20products/smokedetector.htm
Do smoke detectors detect ciggarette smoke?
smoke...The reason that sometimes we cannot see smoke is because of the very tiny "particulates" that make up the smoke. A good smoke detector mwill sense smoke long before it can be seen. It is particles in air that are very very small that a smoke detector detects.
What are the advantages and disadvantages of a halving joint?
A joint is a herbal cannabis that you can smoke
What does americium do in smoke detectors?
Yes, americium is used as ionizing source in smoke detectors.
