The ionization type, which is the simplest, most commonly used and is usually the least expensive. This type reacts quicker to flaming fires.
The second type is photo-electric, which reacts quicker to smoldering fires. Commercial photoelectric smoke alarms can also be used to cover large areas using point-to-point lasers.
Other types of fire detectors, which are most often used in businesses and public buildings, are:
Thermal - detect heat in a room
Manual - has to be manually pulled to set off the alarm.
Water-flow - Activated when a fire sprinkler has started flowing.
Interconnected - This is a system that interconnects all the smoke alarms in a building so when one goes off, they all go off.
Hard-wired Control Panel - Smoke and heat sensors (and other fire sensors) that are connected to a central panel where any sensor will set off a facility alarm and be communicated to fire dispatchers.
The Lighter SideThere are two types: the one that works and the one that doesn't.There is the one you bought and installed, and the one you wish you had.
1) There are many types of smoke alarm one of them is sensitive to smoke and sprays water as well as sounding the alarm. Another is sensitive to heat so if it gets over the maximum heat setting it sounds the alarm and warns all of a fire
A) Standard battery alarms. An ionisation battery alarm is the cheapest and most basic smoke alarm available. An optical battery alarm is a little more expensive. Both run off 9-volt batteries which you need to test every week and replace once a year or when it beeps regularly, whichever is sooner.
B) Alarms with 10-year batteries
These are slightly more expensive, but you save on the cost of replacing batteries. They are available as ionisation or optical alarms and are fitted with a long-life lithium battery or a sealed power pack that lasts for 10 years.
C) Hush or silence button
These models are available with a 'hush' button which, when pressed, silences the alarm for a short time (for example, when cooking). If there is a real fire, giving off lots of smoke, the hush system is overridden and the warning alarm sounds. The alarm reminds you that it's been silenced by 'chirping' or by displaying a red light.
D) Mains-powered alarm
These alarms are powered by the home's electricity supply and need to be installed by qualified electricians. There's no battery to check, although the model is available with or without battery back-up in case of a power cut.
E) Battery alarm with emergency light
If the alarm goes off the emergency light alerts people with hearing difficulties.
F) Interconnecting or linked alarms
Some alarms connect to each other so that, when one senses smoke, all the alarms sound. This makes sure everyone hears the alarm. These alarms are useful for people with hearing difficulties, and also in larger homes.
G) Models for people with special needs
Mains-powered alarm with strobe light and vibrating pad
These alarms are designed for people who are deaf or have hearing difficulties. If there's a fire, you'll be alerted instantly by the smoke alarm's flashing light or vibrating pad.
Mains-powered alarm which plugs into a light socket
This alarm uses a rechargeable battery which charges up when the light is switched on. It lasts for 10 years and can be silenced or tested by using the light switch.
The "ionizing" type of smoke alarms uses Americium.
There are about 88,742 different smoke alarms in the entire country of England. Rockey Georgina Jones
How many tyeps of smoke alarms can you buy?
5
there is ten types of smoke alarms that you can find
federal law requires that smoke alarms need to be in every home
You should have a photo-electric smoke alarm in your house because they react more quickly to smoldering fire byproducts than most ionizing type smoke alarms. Having ANY type of smoke alarm is better than none, provided it has the necessary batteries and maintenance to actually work during a fire.
Apart from smoke alarms, Kidde make many different safety appliances. They also make fire extinguishers, carbon monoxide alarms, escape ladders, key safes, locks and many more.
You can find photoelectric smoke alarms at a hme improvement store. You should visit www.menards.com for more information on photoelectric smoke alarms.
Photoelectric smoke alarms are also called optical alarms. They are more expensive than regular alarms. They are also more accurate and less likely to go off unnecessarily.
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