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Example image
while before you take the infrared
The image shows extensive water
images.
damage to an external wall where the
An infrared image of a draft often shows
water has penetrated the outer facing
a typical stream pattern. You can see this
because of an incorrectly installed
stream pattern clearly in the example
window ledge.
image.
Faulty contacts in electrical
Also keep in mind that drafts can be
sockets
concealed by heat from floor heating
circuits.
Example image
The image shows a ceiling hatch where
faulty installation has resulted in a strong
draft.
Moisture and water damage
General information on faulty contacts in
sockets
Depending on the type of connections a
socket has, an improperly connected wire
can result in a local temperature increase.
This temperature increase is caused by
the reduced contact area between the
connection point of the incoming wire and
General information on moisture and water
damage
the socket, and can result in an electrical
fire.
It is often possible to detect moisture and
water damage in a house by using an
To keep in mind
infrared camera. This is partly because
A socket’s construction can differ
the damaged area has a different heat
dramatically from one manufacturer to
conduction property and partly because it
another. For this reason, different faults in
has a different thermal capacity to store
a socket can result in the same typical
heat than the surrounding material.
appearance in an infrared image.
To keep in mind
A local temperature increase can also
Many factors can come into play as to
result from improper contact between a
how moisture or water damage will
wire and a socket, or from a difference in
appear in an infrared image.
load.
For example, heating and cooling of
Example image
these parts take place at different rates
The image shows a connection of a cable
depending on the material and the time of
to a socket where improper contact in the
day. For this reason, it is important that
connection has resulted in a local
other methods are also used to check for
temperature increase.
moisture or water damage.
© 2010, FLIR Systems AB. All rights reserved worldwide.
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Publ. no. T559048, rev. 004