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Kentec’s new K-Mesh wireless technology wins praise for Chester Cathedral project

0n7199K-Mesh, a next-generation wireless fire detection technology from Kentec Electronics, a leading manufacturer of life-critical control solutions, is winning deserved praise from the installer of a new system protecting the historic Chester Cathedral.

Brad Parker, founder of Charles Thomas Heritage Fire Protection, was tasked with specifying and upgrading the wireless fire detection system previously installed in the Cathedral. The thick walls and lead-lined roofs and the other challenges that come with a building that can trace its roots back to 1093, meant Brad had to think outside the box.

He opted for Kentec’s K-Mesh system, a technology that uses self-healing and configuring Mesh technology to deliver optimum levels of reliability and performance. It also makes it easy to use, install and commission – and ultimately provides robust assurance that fire incidents are detected and communicated immediately. It is available as part of a complete fire detection system with Kentec-manufactured panels, such as the renowned Syncro AS panel and in this case the award-winning Taktis panel.

A wireless translator module, which sits at the centre of the K-Mesh system, is hard-wired to the fire alarm control panel loop and communicates continuously with the wireless devices. Sensors are supplied in three variants: optical; thermal; and multi-criteria, with the optical and multi-criteria sensors featuring adaptive signal processing and double dust traps to prevent false alarms. Thermal detectors can respond to a fixed temperature threshold or detect a rate of rise in temperature. Wireless sounders, call points and testing kits are also available within the range.   

K-Mesh has a seven-to-ten-year battery life, which is approximately twice that of the industry standard. The technology is also fully expandable, and configurable from anything from two to 2,000 devices so even the largest, most disparate and complex sites can now be protected wirelessly. Further capabilities include a communication range of up to 1,200 metres and immunity to hacking.   

Due to the size of Chester Cathedral, many expanders are needed, and with the K-Mesh system, each expander has up to 5 redundancy paths which connects to the strongest expander, creating the Mesh. Even the dead spots in the cathedral are able to communicate with the strongest radio signal expander within its area, so in case of an emergency, every corner of the building is covered.

0n7197“With the latest MESH technology, rather than one expander we can have three, four or even five redundancy paths and the signal connects itself automatically to the strongest expander to create the MESH,” Brad explains. 

Brad’s colleague, Operations Manager Byronn Alty, says that from an engineer’s perspective, the new technology is ‘phenomenal’: “We went to what we would believe would be the dead spots within the cathedral and low and behold the device started communicating with the strongest radio signal expander within its area. I would look at the drawings and thought it would communicate with expander one, and yet the device ends up linking to expander two!”

A further benefit to the MESH technology is that it is simple plug and play: “The cathedral has an outbuilding with an old bell tower so there needed to be a link between the two,” Byronn continues. “This was an initial design challenge for us to think how we were going to get radio over there, but the new wireless MESH is just plug and play and it was just great to see it working.”

“Even having used it only once, my confidence with installing, programming and commissioning is now on a high, and that tells you how easy it is to use.”

Brad Parker similarly describes K-Mesh as ‘wizardry’: “My love of old heritage buildings made this project extremely enjoyable and being able to use the new Kentec K-Mesh system and seeing it work at its full potential, was a delight.”

Kevin Swann, Managing Director of Kentec Electronics, says wireless fire detection is the future: “We are very pleased and excited about our new K-Mesh system and seeing it installed in such an important landmark is an honour and confirmation of our best practice. It is fast to install and less invasive to a building’s structure and all of us here at Kentec are committed to helping protect our heritage buildings and assets of national importance.”

For further information visit www.kentec.co.uk

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