How to Test a Smoke Detector

According to the U.S. Fire Administration, 10 people die every day in a house fire-related incident. Many of these victims were not able to escape due to a faulty smoke detector. Smoke alarms play an important role in household safety.

They can provide early detection of house fires and allow you to act quickly before a minor fire escalates. In doing so, they also play a major role in reducing the number of fire-related deaths and injuries every year. Keep reading to learn more about how to test a smoke detector and the dangers of a faulty device. 

What is a Smoke Detector? 

Smoke detectors are fire-protection devices that automatically detect and alert others to the presence of smoke. Most smoke alarms use a photoelectric sensor and light source to trigger the alarm. When smoke enters the chamber, it causes the light to scatter and triggers the alarm.

Perform a Safety Test Regularly 

Installing a smoke detector And performing regular maintenance checks can help protect you and your family. You should be checking your smoke alarm’s functionality at least once a month. Being proactive about running these tests will ensure that your detector will work when you need it most.

Check the Power 

Like most electric devices, smoke detectors are equipped with a small light to indicate that it is receiving power. Even if the light is illuminated, you should push the test button to ensure that the alarm works and the batteries are still producing power.

Use Aerosol Spray

Once you are assured that your smoke detector’s battery is charged, you want to check the functionality of its smoke sensors. To do this, you can use an aerosol spray designed to replicate the smoke produced by a flame. If your detector doesn’t sound an alarm shot with aerosol spray, the sensors may be worn out.

After running this test, you will need to use a vacuum to suck the test material off of the detector as it may block the sensor if left there. If your smoke detector fails this test, you need to immediately replace the device.

Exposure to Small Flame 

Some smoke alarm manufacturers encourage users to use real smoke when running systems tests. If so, you can ignite a match or two a few feet away from the device. This will allow you to ensure that the smoke sensor is properly working. Many experts believe that the routine use of actual smoke may temporarily weaken the sensor’s ability to detect smoke in the room.

Stay Up to Date with Maintenance 

Over time smoke detectors become unreliable, so it is important to conduct regular maintenance and checks. Smoke detectors’ lifespans are approximately 10 years.

If your system starts to produce beeping and chirping sounds, you should address these signs immediately. If you don’t know how old your smoke system is, you can typically find a manufacturing date printed on the back.  

Learn How to Test a Smoke Detector

Maintaining your smoke detector is an inexpensive way to protect you from becoming the victim of a housefire. Once you learn how to test a smoke detector, you should be testing yours regularly. 

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