Sourced and supplied across Saudi Arabia
Perimeter detection is a different discipline from alarming a building, because the sensor is outdoors in weather, wildlife and wind, and the whole design is a trade between catching everything and crying wolf. The measures that matter are probability of detection, nuisance alarm rate and the ability to locate where the event happened along a long fence, and a system that scores well on the first and badly on the second gets switched off by the people who have to answer it. Technology follows the boundary. Fence-mounted sensors detect climbing and cutting and depend entirely on the fence being taut and well maintained. Buried cable is invisible and unaffected by wind but needs civils. Microwave barriers cover open ground between posts and want a clear, level sterile zone. In this region, blown sand, thermal expansion of fence fabric through the day, and camels or stray dogs are the recognised nuisance sources, so state them.
The more of this you send, the closer the first quotation lands.
| Perimeter length | Total run, and how it divides into zones |
|---|---|
| Boundary type | Chain link, welded mesh, palisade, wall, or open ground |
| Fence condition | Fence-mounted sensors depend on tension and maintenance |
| Detection technology | Fence sensor, buried cable, microwave barrier, or taut wire |
| Location accuracy | How precisely an event must be located along the run |
| Nuisance sources | Blown sand, wind, animals, vegetation, or nearby traffic |
| Sterile zone | Clear level ground available, especially for microwave |
| Camera integration | Cueing cameras to the zone that alarmed |
| Lighting | State if the perimeter is lit or relies on thermal detection |
| Power and comms along the run | Available supply and cable route around the perimeter |
| Head end | The system that receives and displays the alarms |
| Civil works | Trenching, ducting and reinstatement where buried cable is used |
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