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Infrared Thermography is the art of using non-contact
thermal imaging cameras to detect radiation in the infrared
range of the electromagnetic spectrum and produce images of
that radiation. Since
the primary source of infrared radiation is heat, any object
which has a temperature above absolute zero radiates in the
infrared. The warmer the object, the more infrared radiation
it emits. Once the
object reaches a temperature of 500°c (932°f)
the heat emitted becomes visible.
Thermal imaging cameras allow you to “see” this
radiated heat.
The use of
infrared in our lives is not new. It is what we
use in space to watch the weather, everyone has seen the
police helicopter chasing down suspects at night, or the
firefighter looking for people in a smoke filled
building. This technology not only saves lives and
catches the bad guy, but it can also make your everyday
life more comfortable. Often times in buildings a temperature
difference is only one degree making a sensitive thermal
imager a must. In the case of electrical inspections it
can be over a hundred degrees difference. Many anomalies
in buildings can be very subtle and a very good eye and
attention to detail is a must.
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