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SAFETY TIPS: Abbots Langley security expert hands out CCTV advice

 Published on: 24th February 2020   |   By: Jake Levison   |   Category: Uncategorized

A lifelong Abbots Langley resident and security expert is giving out key advice on how people should approach choosing a CCTV system for their homes.

Oliver Hinks, of DCA Security Systems in Hemel Hempstead, has become increasingly concerned with crime in Abbots Langley in recent weeks, and recently held a security meeting at the Henderson Hub.

The security expert said that when it comes to protecting your home, the type of CCTV you put up is vital. 

He said: “Choose IP – there are many forms of CCTV available, usually all with one form of acronym or another. TVI, CVI, AHD, PoC… they are all forms of high definition analogue systems. Although IP systems cost slightly more, they are true digital systems and offer many advantages over these older forms of technology.

“Resolution – common sense would suggest the higher the resolution, the better – not always true. The amount of bandwidth and processing power required for 4k (8 mega pixel) is unreal. 4K will require huge amounts of storage, so do your homework. Our advice is a well positioned 4 mega pixel camera is usually more than enough.

“Positioning – there are lots of installers providing camera installations at low cost by installing the cameras at around 6m at eave level of a two-storey home. Of course, it all depends on the cameras specific task but generally 3m is the optimal height. Just out of reach but low enough to provide good perspective.

“Camera selection – considerations for the cameras include water and dust ingress rating, impact and vandal resistance ratings, lens focal length and night/darkness capability. We recommend IP67 and IK10 where possible. Lens selection is specific the area of coverage and the cameras task. IR technology should be included as standard but there are also newer technologies emerging for night viewing.

“Storage – ensure only surveillance grade HDDs are used. Normal HDDs fail when you rewrite data as often as required for surveillance. They also struggle to keep meaning you ruin the risk of missing key data when you need it most. DCA Security only use Seagate SkyHawk Surveillance drives on all our installations.

“Selecting your installer – Choose an installer accredited for CCTV with the SSAIB or NSI.”

For more advice or access to our full CCTV buyers guide, get in touch with DCA Security Systems and ask for Ollie.

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