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Thermal Technology

The growth in Thermal Technology

Back in 2008, Hikvision developed its first thermal camera and by 2010, this had developed into a thermal network camera. Fast forwards to 2015 and Hikvision research and development created an independent camera module of its own.

Exploring the different types of thermal camera/ thermal detectors:

Thermal imaging cameras and detectors designed to visualise the thermal radiation of objects within a particular area. Typically the most common applications for such technologies are within the security and surveillance sector, including perimeter protection and area surveillance.
Thermal cameras designed for security applications but possible for use as radiometric cameras for thermography. Such cameras are fantastic for temperature monitoring, industrial safety application and fire prevention and detection.
Designed and calibrated for test and measurement, detectors and cameras display absolute temperatures with accuracy via additional parameters, typically in coloured scale. The most common applications of such technologies include the building and industrial sector as well as the electrical industry but are not limited to this. Other applications include; science, medical and research and development.

Want to know more about thermal CCTV? Get in touch with our Stoke On Trent area.

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We at NSR specialise in all aspects of CCTV and employ a team of trusted and reliable installers who are there to assist you in your enquiry and ensure all needs have been met to the highest of standards.

	Trusted CCTV installers working across the Stoke On Trent area
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We specialise in all aspects of thermal CCTV and install systems for premises across the Stoke On Trent area.

The technology
Infra-red radiation is emitted by all objects with a temperature above Absolute Zero (-273 degrees Celsius) and is measured in nanometres. Each is split into three 'bandwidths' with the term used for this being referred to as emissivity. The term 'thermal' is derived from the fact the amount of infra-red radiation given off increases with temperature. What this means is that a cold surface will be seen differently to a warm blooded individual or hotter surface, for example.

Furthermore, depending on the type of materials, surface, surface roughness and shape, this will also influence the differences. In this instance, steel would have a different emissivity to cotton or human skin for example.

An important thing to remember is that imaging cannot see through materials that the human eye would be able to due to the fact emissions are given off by the surface of an object. Here, a window is a great example. While we as humans can see through a window, a thermal device is only capable of seeing the emissions given off by the panes of glass itself.

Using a Germanium lens- a specific type of lens- a thermal camera uses this lens to reflect visible and ultraviolet light, allowing only the infra-red through. Looking at more detail in terms of what happens at this point is explained here.

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