| y and disaster alarms are no longer new to most | | | | detector zones can be programmed in the control |
| people. These devices have already been available for | | | | panel so whenever the detector receives unusual |
| quite some time now and have been continuously | | | | frequencies, the control panel processes it and let the |
| innovated. | | | | sound device alarm. A control panel also contains a |
| These deterrent instruments are usually found in | | | | memory chip that stores the user's settings. There |
| business establishments. The very reason for installing | | | | are other features that a control panel may contain. |
| such devices is for protection of properties against | | | | It can be found in the user manual or specified in the |
| attempted burglary and destructive disasters like fire. | | | | product brochure. |
| Banks and jewelry shops are examples of businesses | | | | Signaling Devices |
| that need high security. By using burglar alarms the | | | | These burglar alarm equipment make sounds |
| security that these businesses need is met. In fact, | | | | whenever condition is met for it to alarm. A sounder |
| they are being required by their insurance companies | | | | may be a bell, a buzzer or a chime. Most commonly |
| to have the most complex and effective burglar | | | | the sounder that is being used for burglar alarm |
| alarm that they can have. The higher the security | | | | systems are those that are loud enough and that can |
| needed the more complex the burglar alarm must be. | | | | cause panic on the burglar. These days, sounders are |
| Burglar alarms that are installed in homes use the | | | | already partnered with a strobe. A strobe is a special |
| basic principle of alarm system. By simply using the | | | | lighting device. It has a lamp inside that is mounted in |
| electrical flow, alarms can be triggered to sound | | | | such a way that it rotates as the sounder sounds. |
| when conditions is met. For example, for a close | | | | The most common colors used for the strobe are |
| circuit alarm, when the door opens, the current flow | | | | red, blue and yellow. Speech dialers or telephone |
| powers the sounder. Contrary to the open circuit | | | | relays are also part of the signaling equipment. |
| alarm because when the current is cut, the alarm | | | | Detectors |
| sounds. | | | | Detectors are also called as sensors. These |
| There are only three main parts or major equipment | | | | equipments are responsible for reporting unusual |
| a burglar alarm has. These are 1) the control panel, 2) | | | | movements to the control panel. There are several |
| signaling device and 3) detectors. These parts are | | | | types of detectors that are used for a burglar alarm |
| being interconnected for it to work. There are | | | | system. Here are some of the commonly used |
| systems that uses radio frequency, infrared, and the | | | | detectors: |
| like in order to connect one part to another. The | | | | Magnetic Contact Detectors - this type is usually |
| system that uses radio transmitters and receivers is | | | | used in windows and doors. These devices are |
| called the wireless system. | | | | mounted in the edges of the doors and windows. |
| Control Panel | | | | Infrared Detectors (passive infrared) - these are |
| A control panel is the central processing device of | | | | basically used to detect motions or unusual |
| the system. It is where you program the system to | | | | irregularities in the place. This can also be used to |
| work according to the specifications of the home or | | | | detect temperature changes and smoke. |
| building. It is also where you can turn on, turn off or | | | | Vibration sensors - these devices are quite more |
| reset the alarm system. The control panel can be | | | | sensitive than the magnetic contact detectors |
| accessed using remote keypads. All specifications of | | | | because a little vibration from the window or door |
| a control panel may differ according to the | | | | can be interpreted by the device as unusual and may |
| prerogative and design of the manufacturer. The | | | | possibly trigger the control panel to sound the alarm. |