wonderful friend. But it can also be a very expensive
problem when things go wrong. Infrared Scanning of
electrical installations can find problems before they
cause costly disruptions to production. Or worse still,
Let's give a quick
overview of this useful service.
What is infrared
Thermography consists of using infrared photography to
determine temperature. The technique has a wide range of
applications, but is particularly useful as a tool for
identifying stressed components in electrical
Benefits of a survey.
The main feature of an infrared thermography survey of
an electrical installation is that it identifies
stressed components of the installation by its heat
signature. The benefit of this predictive maintenance is
the identification of:
spots such as loose connections and bad contacts.
Under-rated cables overheating under existing
Stressed earth leakage units, circuit breakers,
contactors and other electrical components.
Benefits to client.
An infrared electrical thermography survey can result in
significant financial savings for the client by:
Reducing the risk of an electrical fire.
Reducing the risk of an unplanned electrical outage.
Identifying priorities for planned maintenance,
resulting in your spend going where it is needed
does a report look like?
Here is a sample page of an infrared thermography
report we produce. In it we see the infrared
photograph indicating the hot spots, and alongside it a
photo with markers indicating the problem areas.
Get the right person
for the job.
Alan Swartz is an experienced electrician and qualified
wireman with training in the field of thermography. This
ensures that not only is he competent in taking the
required photographs and analysing them, he is also
familiar with the electrical components of an electrical
installation, ensuring improved identification of
potential problems and recommending the appropriate
The advantages of using
qualified people for the job is two fold:
about infrared thermography surveys of electrical
Scanning of electrical installations falls under the
category of Predictive Fault Finding, the reason for
this is that we are now able to predict an electrical
fault before the component fails completely.
able to achieve this due to the heat build up of any
electrical component under stress and predict that it
will fail while it is still operational and appears
normal to the naked eye or any other test equipment. The
heat signature is identified with the use of an Infrared
camera, the pictures are then analysed and put into an
easy to follow report so that they can be rectified
before a breakdown occurs and the result is loss of
production due to down time.
Unexpected breakdowns in
electrical supply can be very inconvenient and costly.
Infrared electrical thermography is a useful tool that
can identify stressed components of your electrical
installation before they break down or cause a fire.
This gives you the opportunity to solve the problem as
part of planned maintenance before it causes a serious
Another result of failed
or stressed electrical components is the risk of fire,
in fact the risk is more real than we realise. It is in
this vein that insurance companies are increasingly
calling for infrared electrical thermography surveys as
a valuable risk assessment aid.
In the past this service
was only available to very large companies and mining
houses due to the cost factor, but as with everything
there have been massive advancements in the last few
years and Thermo Scanning has now become a very cost
effective tool in the small to medium size business
everybody can enjoy the benefits of predictive fault
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