

An infrared thermographic survey can detect a problem before
it manifests itself into a costly failure. Using thermography it
is very common to find a problem that can be repaired for less than
€100, but if it were allowed to fail, the cost could skyrocket
into thousands of Euro for equipment, repair or replacement.
One of the great things about conducting an infrared
scan is the equipment doesn't need to be shutdown. In fact, it is
preferable for the equipment to operate near full-load capacity.
That way we can measure the severity of the fault with greater accuracy.
Having a survey conducted prior to a scheduled
outage will afford the opportunity to acquire any needed replacement
parts ahead of time.
Third party certification to ISO standards is the ONLY true certification, and BINDT are a highly respected organisation with insurance companies,
certifying
bodies and end users. It is your responsibility to ensure that your service providers conform to ISO standards.
Thermal Vision currently employs the ONLY third party ISO Level 3 certified thermographer in Ireland, and as such we are the only true Level 3 service providers. Others may claim to be Level 3, but this is often untrue or misleading, and cannot be verified against ISO standards. Our Thermographer is certified by BINDT as a Level 3 thermographer in civil and electrical applications under their PCN scheme, and this scheme is validated against ISO 18436.
Examples of what can be scanned using
thermography:
- Electrical switchgear, breakers, bus connections,
and contacts
- Transformer connections
- Mechanical couplings on rotating equipment
- CCGT & HRSG commissioning
- Process piping and heat exchangers
- Compressor heads
- Motor and generator connections, windings,
feeders and exciters
- Bearings
- Drive gears and drive belts (for excessive
friction)
- Steam traps and piping insulation
- Tank levels and insulation problems
- Buildings
- Flat roofs
- Steam systems
- Non-destructive testing (bonding, thickness,
intrusion)
- Furnaces, refractory lining, boiler & kilns
- Casting & moulding
Electrical Applications
Thermography
is a non-contact temperature measurement technique. It’s ability
to measure temperature in a non-intrusive manner makes it
one of the best tools available to the electrical industry
today. Typical candidates for an infrared electrical survey include
overhead transmission lines, substations, transformers, thyristor
banks, circuit operating devices, switches, fuses, circuit breakers,
control equipment, motors and motor control centres.
With more than 20 years experience in the electrical
industry we feel that we are in a unique position in this field.
We act independently of electrical contractors and do not carry
out repairs on any problems found, this way we have nothing to gain
from the repairs, and have no reason to misreport faults.
What do I get besides a pile of pictures?
We don’t just provide pictures of “Hot Spots”;
we provide detailed information about the root cause of the “Hot
Spot” and we how it can be repaired effectively. We will work
with you to prevent problems from reoccurring.
It does not matter what your insurance company
requires whether you need NMAC, NETA or NAVY standards we can exceed
those needs.
The photos of the electrical system condition
are only the starting point. You'll receive reports that can be
tailored to your needs. Working with your personnel, we develop
the specific information to be included in your report that can
bring light to the severity of the situation.
Our reports include
an image of the condition, both in infrared and visual light, our
analysis as to why the condition exists and suggestions for correcting
the problem. Not only do we provide reports on hardcopy, but we
also provide a Cd rom version. Our Cd also includes a copy of all
images taken and all required software. This is the most complete
survey and report available anywhere, adding significantly to the
versatility of our service.
Electrical Surveys are available with a basic, advanced or premium level.
Basic; this includes a single visit and report.
Advanced; this includes an initial visit and a visit after all repairs have been carried out, and a report after each visit.
Premium; this includes
liaising
with your insurance company before the initial visit. We will discuss the required frequency, type of report, additional information and items to be covered with them on your behalf and come up with a
tailored
program for your site.
Mechanical Applications
Mechanical
applications for thermal imaging almost always involve rotating
equipment. Excessive heat is generated by friction caused by faulty
bearings, inadequate lubrication, misalignment, imbalance, misuse,
or normal wear. We can combine thermography with other methods to
provide a complete analysis of mechanical condition. The temperature
of motors gearboxes or just about any mechanical equipment can be
monitored over time and historical data can then be trended.
Insulation / Refractory Applications
These surveys usually involve kilns or furnaces. The refractory
lining breaks down allowing heat to pass through to the outside;
this can cause quality control problems or may even pose a risk
to personnel. Our high tech equipment has temperature capabilities
of up 1500°C. We can work with your engineering staff and assist
them in monitoring the thickness of the refractory lining.
CCGT & HRSG Commissioning and validation 
Thermographic surveys as part of the validation of temperature profiles throughout a HRSG boiler as part of the commissioning process is an invaluable tool in finding and assessing the condition of the boiler. It can be used to evaluate the overall temperature levels and to look at specific areas of interest such as the roof and floor penetrations, bellows arrangements, expansion joints, inspection hatch gaskets and locate problems associated with excessive conduction and gas leaks.
Building Applications
Insulation defects can be found easily with thermographic surveys.
The areas without insulation can be seen with an imager viewed from
the cold side (usually outside). The area with defective insulation
will show up as hotter.
Leaks in flat roofs are detectable, because of
the difference in the thermal capacitance of the wet and dry insulation.
These surveys are best done after sunset on a sunny day. The wet
insulation will retain its heat for longer.
By combining thermographic surveys with the blower door technique we can detect locate and quantify air leaks in buildings. This is done by creating a pressure differential between inside and outside,
the air leaks can leave very traceable thermal patterns, which are
visible to the trained eye.
Thermography Training In Association with ITC
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