Beat the burglar and reduce false alarms using radar technology

 

As a security systems integrator that’s been around since 2004, we’ve seen lots of advancements in video surveillance, access control and intruder alarm technology, so we recognise a game-changing security technology when we see one.

We’re talking about radar and specifically, the D2050-VE Network Radar Detector from Axis Communications which can detect objects with incredible accuracy. If you’ve ever struggled with false alarms from your security system, read on – this is a technology innovation that’s worth knowing about.

Reliable intruder detection

Like traditional PIRs used commonly for intruder alarm systems, radar technology will operate in darkness and challenging environmental conditions such as smoke or fog, but unlike a PIR it isn’t susceptible to changes in temperature. A PIR can trigger if the temperature of the ground rises in the hot sun and an inanimate colder object such as a piece of litter is blown by.

Radar technology is also more accurate than standard Video Motion Detection (VMD) which can be triggered by changes in lighting, moving foliage and spiders making webs in front of the camera lens. A problem often encountered with VMD “Tripwire” systems is that real threats cannot be differentiated from events such as small animals running through the perimeter – this is where the radar’s performance surpasses a traditional VMD “Tripwire”. The sensitivity of the Network Radar Detector can be adjusted and further configured with 16 zones and exclusion areas to increase accuracy enormously.

Enhancing video surveillance

False alarms can distract your security personnel from real events. If a CCTV operator happens to be looking at another monitor when something suspicious is occurring elsewhere, then the use of radar technology can enhance your video surveillance system and add an extra layer of protection.

A specialist systems integrator can configure the radar detector to work as part of a network-based CCTV system, automatically triggering video recording when an intruder has climbed a perimeter fence or driven into a restricted area, for example. It’s even possible to integrate other security measures such as switching on security lighting and playing a pre-recorded message via a network audio horn speaker to warn the intruder that they are being monitored.

The Network Radar Detector can calculate the position, size and speed of an object. This data can support autotracking on a compatible network CCTV Pan-Tilt-Zoom (PTZ) camera, allowing the camera to automatically zoom in and follow the object with no manual intervention. Immediately, security staff know a potential intruder has been detected (as opposed to a fox simply walking across the car park) and exactly where on the site it has occurred. The scene can then quickly be assessed by CCTV operators to determine if further action is required – whether that involves staff making their way to the location or some form of remote response.

Cost benefits

Fewer false alarms and automated responses can reduce the necessity to despatch guarding patrols and keyholders to a location. You need those attending to be fully alert and not assuming it’s “just another call-out” which can sometimes happen following a spate of false alarms. Complacency can be costly.

For those using an Alarm Receiving Centre (ARC) to monitor their intruder alarm system, the reduction of false alarms is an important aspect of system design. If your security system is not accurate enough, then there is a danger that the ARC staff monitoring the system will simply be overwhelmed by false alarms. This of course may result in the ARC disconnecting your system and even worse, that a true detection will be missed – costing your business dearly.

At NW Security Group, we’ve seen lots of advancements in security technology over the years, so we recognise a game-changing new product when we see one.

Security technology is evolving. If you’d like to know more about the viability of using radar technology to improve the detection of intruders at your site, just get in touch.

Contact: Frank Crouwel, Managing Director
Website: www.nwsecuritygroup.com
Email: enquiries@nwsecuritygroup.com
Tel: 0151 633 2111
 

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