根据后句Change the batteries at least once a year.You should use the test button each month to see if the alarm and batteries are still working.每年至少更换一次电池,每月使用测试按钮查看报警器和电池是否仍在工作,可知结合选项,应说烟雾报警器只有在正常工作时才有用。所以"C. ...
” but when you drill down a bit, things get more complicated. Smoke is an expected by-product of cooking, but normal cooking shouldn’t set off your smoke alarms. If your gear beeps all the time, it could be due to:
A smoke alarm is an inexpensive way to protect your family from smoke and fire injuries, but you must take the time to test it to ensure that it's working properly. A properly functioning smoke detector doubles your chance of surviving a fire by warning you of a dangerous situation ...
When smoke enters the ionization chamber, it disrupts this current -- the smoke particles attach to the ions and neutralize them. The smoke detector senses the drop in current between the plates and sets off the horn. Speaking of alarms, whenever the words "nuclear radiation" are used an ala...
According to the National Fire Protection Association (NFPA), in 1-in-5 homes that have smoke alarms, none of the units work, mainly due to dead, missing or disconnected batteries. With this in mind, keeping your home safer is as simple as following a few tips. ...
Smoke alarms are essential and prescribed by law, but many smoke alarms on the market are not adequate for use in kitchens or bathrooms due to an increased risk of false alarms from cooking vapor or steam. False alarms should not be underestimated because they tempt users to turn off the ...
The technical aspects of smoke alarms: teaching how they work to save countless lives every year.(FIRE SAFETY EDUCATION)Szymanski, Timothy R
Passing tough smoke detector standards to reduce false alarms requires better sensor technology, like the ADPD188BI.
SHENZHEN PROFESSIONAL SECURITY TECHNOLOGY Co., LIMITED produces all kinds of Wired Smoke Detector, Hardwired Smoke Alarms, How to Install a Hardwired Smoke Alarm
Learn how to use a fire extinguisher by following four easy steps, and how to maintain it to ensure it works as expected.