There are three general types of intruder alarm

  • Pre-wired system
  • Wireless system
  • Hybrid system (A combination of both)

Provided your premises is already wired for an alarm, wired alarm systems tend to be less expensive than wireless systems. However, this may not hold true if your premises requires wiring for an alarm. Most new properties will be already set up with the appropriate wiring in place for an intruder alarm.

Wireless systems operate using batteries (which need to be changed periodically - 1+ years) and they transmit signals via a radio frequency to your main system. We will survey your property and advise on the best solution.

Within each category there are two types of system

  • Audible only system
  • Remotely monitored system

An audible only alarm operates by sounding the interior and exterior bell when the alarm is activated, and relies on the noise the alarm makes to deter burglars and alert owners, neighbours and passers by that something is wrong. A light on the exterior bell is also activated to draw attention.

Remotely monitored systems can be audible or silent, but are connected to a monitoring station by your phone line - with GSM (basically mobile phone) or your landline. When the monitoring station gets the alert they notify the assigned key-holders and/or the local Gardaí if both perimeter breach and inside motion have been detected.

 

A standard alarm consists of components that either provides

  • Perimeter protection
  • Trap protection (motion detection)
  • A combination of both (this would be the most typical installation).

There are many components to the system to protect your home or business, including; sensors on widows and doors to detect force or them opening, Passive Infra-red (PIR) detectors to detect motion usually placed in the interior of the home/building, in hallways, corridors and some rooms depending on the need for it. This means the alarm system can detect and alert to the perimeter being breached and then movement within your home or businesses premises. PIRs also give extras security if an intruder makes entry to an alternative route - through the roof or a neighbouring attic space, partition wall etc.

We will survey your home or premises and give you the best solution that fits your needs.

What comes with an alarm system?

Intruder Alarm Panel

The control panel with brains and power source of your alarm, monitoring all components of the system, including GSM or land line connections. The panels can communicate with a complete suite of devices including PIRs (motion detection), sensors and magnetic contacts (doors and windows), keypads, panic buttons (usually placed at front door and near bed in master bedroom), key-fobs,  internal and external bells etc.

Internal Keypad

The keypad is usually placed near your front door. It allows you to set and unset the alarm when you enter and leave, or set a night setting (usually just windows and doors to avoid accidental PIR trigger), and review any logs of events, i.e. alarm going off. And off course it is used to turn your alarm off should it be activated.

The keypad consists of audible arming message and/or beep along with text displays to indicate the status of the system etc.

External Bell Box – SABB (Self Activating Bell Box)

OCM Alarms - bell boxThe intruder alarm system consists of an external bell/siren to draw immediate attention to something being wrong in your home/on your premises. The bell box will also flash with a high intensity LED and emit a very loud electronic sound externally for 15 minutes. The external sound is deactivated after this time but the external light stays on until you deactivate the alarm.

INTERNAL BELL BOX

When the alarm is triggered, the internal siren will emit a very loud electronic sound internally for 15 minutes. This is to alert people inside in case the external siren isn't audible.

Magnetic Contact

Used on entry/exit door and roof windows to reduce false activations through activity at the door or heavy rain or wind. Opening the door or window the alarm will be activate the alarm due the the magnets moving away from each other.

Shock (Inertia) Sensor c/w Contact

Used on larger windows (big enough for someone to get through) and less frequently used doors. Designed to activate the alarm before an intruder has gained access to the premises, by detecting vibrations similar to those of someone try to force or break the door or window.

Motion Detectors – PIR (Passive Infrared) Device

PIRs detect movement in an area. All objects emit IR energy and the PIR is designed t detect sudden changes in infra-red radiation i.e. someone moving in the hallway or room. Each PIR is effective up to a range 12 to 15 meters. We will advise you on how many each hallway/room is needed and where they should go to cover all areas.

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