A false alarm, often referred to those in the alarm industry as a “false trip,” is when a security system detects an event that triggers a detection device (a motion sensor or smoke detector, for instance) either without an actual cause or where the cause is a benign, uni...
At the core of a fire alarm system are the detection devices, from sophisticated intelligent smoke detectors to simple manually operated break glass units, there are a wide array of different types, but we can divide them into groups including: –Heat detectors –Smoke detectors –Carbon Monoxide...
A central control box monitors several motion detectors and perimeter guards and sounds an alarm when any of them are triggered. To find out about specific alarm devices and new installation techniques, check out the sites listed on the next page, or talk to a security system installer in your...
The car alarm systems on most modern vehicles are much more sophisticated than this. They consist of: An array of sensors that can include switches, pressure sensors and motion detectors (a problem with any of these sensors could cause your alarm to go off when it doesn't need to) A sire...
Make sure your smoke detectors are in order. Learn first-aid extinguishing skills. Follow these steps if you notice a fire Report the fire to the emergency number 112. Try to extinguish the fire if it can be safely done. Warn and help others and save yourself. Remember that breathing combu...
Another possibility is that someone is smoking a cigarette, and the smoke causes the smoke detector to activate once. If these are frequent occurrences, you might consider using standalone heat detectors in these areas. It is important to understand that the Fire With Verification setting is ...
fire alarm systems which include fire alarm pull stations and pipes. Most are also equipped with automatic fire alarm systems consisting of heat detectors, smoke detectors and sprinklers. For your safety, never tamper with(胡乱摆弄)these systems. False fire alarms are illegal and may lead to ...
On Aug. 19, a plane made anemergency landingin Tampa, Florida, after the crew became suspicious because two of the lavatory doors were locked. The plane was searched, but nothing was found. Meanwhile, a man who tampered with a bathroom smoke detector on a flight to San Antonio wascleared...
of the alarm sounder are mounted on a circuit board. Under the circuit board are a solenoid coil and a plunger that strikes the bell or activates the electronic sounder. Below the coil is a set of breaker points that causes the plunger to vibrate up and down, activating the sound sou...
going into a grounded electrical outlet nearby. This brings the internet connection through the electrical wiring of the house. After you do this, then you plug the other device into a grounded electrical outlet in what ever room you want to work in with whatever device you want to use. ...