Perimeter alarms
Design, implementation/upgrading of perimeter alarm systems and alarms for early intruder detection and, in the case of industrial applications, optimization of surveillance resources. Systems that enable perimeter intruder detection and early activation of an associated protocol .
There are different types of systems for this purpose; it will depend on the characteristics of the installation to be protected, the degree of risk, the location and its environment, the existence of physical surveillance, etc… these are determining factors when choosing the appropriate type of technology.
Integration of technologies
In many cases, especially in larger installations, the optimal perimeter alarm solution involves the integration of different types of technologies . This is either because a higher level of security is required, necessitating the implementation of different detection rings, or because parts of the same perimeter may have different configurations, such as rigid or flexible fencing, proximity to the buildings to be protected, or the presence of a security zone between the perimeter fence and the buildings to be protected, etc.
Perimeter detectors
1. CCTV Systems
2. Detection system in fencing
3. Geoseismic detector system
1. Perimeter intruder detection using video analytics
A system of cameras is installed along the perimeter, configured so that their fields of view perfectly overlap, thus eliminating any blind spots. These cameras will be integrated with video analytics software that will allow not only the recording of images, but also the generation of alarms upon detection of potential intruders.
Thanks to this technology, the closed-circuit television system ceases to be a passive element – limited to forensic analysis after an incident – to become an active system that is an integral part of the early detection of intrusions.
Depending on the video analytics used, we can detect the following events:
01. Objects in the area of interest
The event is triggered when the selected number of objects are present in the area of interest. The object can originate from within the region of interest or enter from outside.
02. Wandering Objects
The event is triggered when a person or vehicle remains within a specified region of interest for a specified time. It detects objects throughout the scene or within a manually drawn ROI.
03. Objects crossing the beam
Directional beam that is configured within the camera’s field of view. The beam can be unidirectional or bidirectional. The directional line and arrows must be drawn manually.
04. The object appears or enters the area
The event is triggered whenever a person or vehicle enters the region of interest. It detects objects throughout the scene or within a manually drawn ROI.
05. Object not present in the area
The event is triggered when no person or vehicle is present in the ROI. It detects objects throughout the scene or within the manually drawn ROI.
06. Objects that enter the area
The event is triggered when the specified number of people or vehicles have entered the region of interest. It detects objects throughout the scene or within a manually drawn ROI.
07. Objects leaving the area
The event is triggered when the specified number of people or vehicles have left the region of interest. It detects objects throughout the scene or within a manually drawn ROI.
08. The object stops in the area
The event is triggered when a person or vehicle in a region of interest stops moving for the specified detection time. It detects objects throughout the scene or within a manually drawn ROI.
09. No entry
The event is triggered when a person or vehicle moves in the prohibited direction of the route. The directional line and arrows must be drawn manually.
10. Camera tampering
The event is triggered when the scene changes unexpectedly. It affects the entire scene.
2. Detection system in fencing
Flexible fencing
Each sensor of the perimeter alarm protects a section of fencing, from 2 to 2.5 meters, and is capable of detecting attempts to cut, climb, or destroy it. The technology used is unaffected by inclement weather and guarantees high sensitivity and detection accuracy.
The effectiveness of the system is not affected at any time by adverse weather conditions such as wind, rain, fog, as well as high or low temperatures. It allows integration with closed-circuit television systems for monitoring any area in case of alarm.
Rigid Fencing
It is based on special “torsion” detectors and managed by powerful electronic microprocessors.
Each sensor protects a section of fencing, from 2 to 2.5 meters, and is capable of detecting attempts to cut, climb, or destroy it. The technology used is unaffected by inclement weather and guarantees high sensitivity and detection accuracy.
The effectiveness of the system is not affected at any time by adverse weather conditions such as wind, rain, fog, as well as high or low temperatures. It allows integration with closed-circuit television systems for monitoring any area in case of alarm.
3. Detection system using geoseismic detectors
Underground geoseismic sensors
The sensors operate at a depth of 60 cm in an environment unaffected by weather conditions and perfectly compatible with gardening work. The signals generated by the sensor lines are amplified and processed by advanced electronic boards capable of recognizing different types of intrusion and discriminating between ambient noise.
The system’s digital memory stores all detected events, providing precise information about their causes. It allows integration with closed-circuit television systems for monitoring any area in case of an alarm.
The system is installed on the fronts of buildings or along roads or highways. These are excellent locations for receiving intrusion attempts while the intruder is still outside the protected area.
It consists of special, inexhaustible pressure detectors, resistant to mechanical stress, connected to an advanced electronic board. This allows it to operate under different types of pavement, even in harsh environmental conditions, while guaranteeing optimal performance and continuous operation. It also allows integration with closed-circuit television systems for monitoring any area in case of an alarm.
FAQs about Perimeter alarms
A perimeter alarm is a security system designed to detect intrusions before access to the interior of a facility occurs. It allows security protocols to be activated at an early stage, reducing risks and improving the protection of people and assets.
There are different perimeter detection technologies, such as CCTV systems with video analytics, fence-mounted sensors (flexible or rigid), and geoseismic detectors installed underground or beneath pavement. The choice depends on the environment, the required security level, and the characteristics of the perimeter.
There is no one-size-fits-all solution. The most suitable system depends on factors such as the type of installation, risk level, location, environmental conditions, and the presence of physical security. In many cases, combining multiple technologies provides the highest level of protection.
Yes. Modern perimeter detection systems are designed to operate effectively in adverse conditions such as rain, wind, fog, or extreme temperatures, maintaining high accuracy and reliability.
Yes, perimeter alarms can be integrated with CCTV systems, access control, and other security solutions. This integration enables faster response times and centralized incident management.
The main advantage is early intrusion detection, before unauthorized access occurs. This allows preventive actions to be taken, reduces potential damage, and optimizes security resources.
Maintenance depends on the installed technology but generally includes periodic inspections, sensor calibration, and system checks to ensure proper operation and minimize false alarms.
They are installed in a wide range of environments, including industrial facilities, critical infrastructures, logistics centers, energy installations, and large premises. They are also ideal for protecting large perimeters or areas that are difficult to monitor.
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