Choose Elite for your Fire & Electrical Protection

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What is Thermal Imaging?

Thermal Imaging cameras use an infrared detector to measure thousands of individual temperature points. These temperature points are then assigned a colour based on their temperature. For instance cooler colours like black and blue are assigned to colder temperatures and similarly colours such as yellow, orange and red to hotter temperatures.

In this way we can paint a picture using colours and use it to diagnose various heat abnormalities and recognise thermal signatures.

How does Thermal Imaging work?

Thermal Imaging cameras use optical lenses to detect incoming infrared radiation which is subsequently processed and displayed as a thermographic picture called a thermogram. In contrast to a normal photograph, a thermogram contains radiometric data allowing it to be analysed to provide both qualitative and quantitative data.

Our Thermal Imaging cameras measure and provide 76,800 unique temperature measurements in each thermal image. Analysis of these images can provide a wide range of information ranging from immediate risks together with areas that should be the focus for preventative maintenance.

What problems can thermal imaging detect?

Distribution Boards

Thermal Imaging is ideally suited to detecting issues in distribution boards that traditional electrical fixed wiring inspections will not pick up. Overloaded circuits and loose high resistance connections are often detected.


Excess heat is bad for electric motors and leads to a reduction in life. For every 10 degrees centigrade that a motor operates above it’s rating, the lifetime of the insulation will decrease by 50%.

Trace Heating

Trace heating is commonly used around freezer doors to stop them freezing shut. Similarly it is also used as a method to stop water pipes from freezing and bursting in cold weather. Thermal imaging cameras can easily detect whether the trace heating is in operation.

Bearing & Belt Tension Problems

Worn bearings and incorrect belt tension cause friction which can be seen by thermal imaging cameras. When picked up early these defects can be scheduled for planned maintenance instead of waiting for a breakdown to occur.

Thermal Imaging Benefits

Non Contact – electrical equipment can safely be inspected from a distance.
Accurate – thermal imaging cameras measure to within a fraction of a degree.
Early identification – wear and potential issues can be picked up in the early stages before a failure occurs.
No shutdown – equipment is inspected whilst in use meaning no downtime for clients.
Schedule Maintenance – early identification of problems allows you to schedule maintenance at a time to suit you.
Spot Fire Risks – reduces the risk of fire by detecting overheating in components.

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Choose Elite for your Fire & Electrical Protection

Your first point of call for fire protection in Hampshire.

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