The security of your property is not something that you can take lightly. Business establishments all over the country face a number of risks. Given the volume of money and the reputation of the business is at stake, business owners need to invest in the best security systems. Similarly, residential properties also face the risk of burglary and break-ins. At stake, are not only the belongings of the occupant. On occasions, even the lives of the people within the house could be at risk. Many people think that by hiring the best security agencies, they have done their best towards keeping their properties safe. But, this is not really true.
Thermal imaging cameras came into being sometime during the 1950s for military application. Also known as thermographic cameras or infrared imagers, these cameras used to be bulky devices at one time. This was because the technology of the time required liquid nitrogen for cooling the detector system. The classified nature of the technology and the exorbitant rates meant that these cameras hardly available for use in various civil and commercial applications. This changed in the following decade. The development of uncooled detectors and advances in infrared viewing technology made these cameras more affordable. Today, numerous manufacturers provide a diverse range of thermal cameras across the world. Some of the major manufacturers comprise:
Thermal imaging cameras capture objects based on the amount of infrared heat or energy they emit. Thereafter, they present these images in different shades of grey, highlighting various temperature ranges. Unlike regular cameras, thermal imaging cameras function by using infrared light. In contrast, regular cameras operate on the basis of reflected light. This difference enables thermal imaging cameras to provide images even in low or poor visibility conditions.
To understand how thermal imaging cameras work, it is essential to understand how the human eye works. The human eye operates by virtue of seeing all the objects illuminated by the sun or any other source of light. The contrast between objects illuminated by the sources of light enables the human eye to distinguish between two objects. In contrast, thermal imaging cameras work by seeing the heat energy that the objects in the frame emit. As mentioned earlier, all objects (whether living or not) have heat energy. Thermal imaging cameras detect this energy and provide an image accordingly. The ability to detect infrared energy makes these cameras highly accurate. This is so even in conditions of complete darkness.
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