CCTV Security Cameras And Surveillance

Global Alarms provides a unique set of security and maintenance solutions for a number of sites and applications, one of which is the CCTV camera architecture.

These security solutions are usually used for monitoring and surveillance purposes for a number of reasons, including keeping a check on the entry and exit of internal and external personnel, keeping track of the work being carried out on a commercial or industrial site, and delivering an essential security aspect for places that are considered sensitive in terms of safety.

While placing CCTV cameras all over the site in question would be the naturally sensible choice, managers and security personnel will have to keep in mind a number of factors, which can directly influence the placement and number of cameras on a particular site.

Some of these include the budget of the customer, the physical layout of the site, the ability to place a camera in the room or location and connect it to a power supply, and the availability of a dedicated security team that monitors the video feeds.

Specification of the right CCTV camera for a project is not always the easiest of processes. There are many factors that have to be taken into account: technical specifications, the application and its requirements, as well as any physical constraints the site may impose. With ever increasing product ranges available in the marketplace, and technology constantly evolving to optimise performance, reliability and functionality, it is quite a challenge to make an informed decision to meet the requirements for the job whilst remaining within projected budget. Understanding the many variables within CCTV camera technology today can only be an advantage in helping you make the right choices.

At the heart of the CCTV camera technology is a CCD sensor (Charge Coupled Device) that converts light into an electrical signal. This electrical signal is then processed by the camera electronics and converted to a video signal output that can then be either recorded or displayed on to a monitor.

However, the treatment of the video signal is then dependant on the type of camera. CCD chip cameras can be divided into two principal types: analogue or the more recently introduced digital versions.

These can be sub-divided further into the following:

  • Medium resolution monochrome
  • Medium resolution colour
  • High resolution monochrome
  • High resolution colour
  • Day/night cameras that provide colour in the day and monochrome at night.

To complicate matters even further, each of the above is generally available with different levels of performance - like a car model varying from 'base features' to 'top of the range'.

Features:

  • Available in both Analog and IP Cameras versions
  • Available in both Indoor and Outdoor ranges.
  • Available with High Resolution.
  • Advanced 360 degrees monitoring cameras.

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