Infrared Security Cameras: Surveillance and Equipment Monitoring
Most standard security cameras have what’s known as night vision; which means when darkness falls, the cameras have a built in infrared illuminator that uses infrared light instead of the regular lighting spectrum
Surveillance and CCTV “closed circuit
television” have become a booming industry over the last few years.
Cameras are being installed everywhere; locations such as traffic
signals, parking lots, corporate and small businesses, supermarkets,
industrial plants, hospitals, airports, all the way to the plains of
the Serengeti for viewing wildlife via a wireless IP camera.
The simple fact is
that there is probably some form of CCTV in every public place that
we travel to and from. At the moment, CCTV is mainly used for
security surveillance. Most standard security cameras have what’s
known as night vision; which means when darkness falls, the cameras
have a built in infrared illuminator that uses infrared light instead
of the regular lighting spectrum in order to produce better images in
complete darkness or low light conditions. This type of night vision
camera only records in black and white, but some cameras will record
color during the day. The main drawback to this type of infrared
illuminator camera, is that the viewing distance of the camera is
limited to the range of the infrared light emitter’s project. Do
not confuse an infrared camera with a day/night camera. Day/night
cameras can record in low light, but not in zero light and do not use
infrared lighting that actually sees into the infrared spectrum.
cameras do not use IR illuminators
instead they use a microbolometer; this is a special type of sensor
the camera uses to see light from a different region of the
electromagnetic spectrum than we normally use to see. This type of
camera is not dependant on any light source to see. Now with several
new advances in infrared technology; we are discovering new fields of
use for true full spectrum infrared cameras integrated with CCTV
units. Since all warm-blooded animals exude heat; Infrared cameras
work great for security systems. Even at the
zero light level, an infrared camera will still see the normally non
visible light from your heat signature.
ability to see at night without any light necessary is an excellent
boost to any security system. But what other benefits can infrared
cameras offer with surveillance systems? CCTV is now being used with
infrared camera systems to monitor industrial equipment or anything
temperature relevant, this can be used in a multitude of
applications. Many industrial plants have been using this method to
monitor temperature related situations; such as the temperature of a
pipe or the liquid flowing through that pipe, analyzing simple or
complex machinery, circuitry, or wiring to view what component is
running above or below operation tolerances for the devices
In short, the Infrared CCTV cameras can be applied in many different modes. Remote or local security CCTV can operate in low or nonexistent light levels, especially at night. Infrared CCTV also has other applications such as, constant operational runtime monitoring, diagnosing, troubleshooting, and analysis.
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