Infrared Thermography

Thermography is the use of an infrared imaging and measurement camera to see and measure thermal energy emitted from an object. Thermal energy is light that is not visible because its wavelength is too long to be detected by the human eye; its the part of the electromagnetic spectrum that we perceive as heat. Unlike visible light, in the infrared world, everything with a temperature above absolute zero emits heat. Even very cold objects, like ice cubes, emit infrared. The higher the object's temperature, the greater the IR radiation emitted. Infrared allows us to see what is invisible to the naked eye. Infrared thermography cameras provide precise, non-contact temperature measurement capabilities.

How Do Thermal Imaging Infrared Cameras Work

An infrared camera is a non-contact device that detects infrared energy (heat) and converts it into an electronic signal, which is then processed to produce a thermal image on a video monitor and perform temperature calculations. Heat sensed by an infrared camera can be very precisely quantified, or measured, allowing you to not only monitor thermal performance, but also identify and evaluate the relative severity of heat-related problems. Recent innovations, particularly detector technology, the incorporation of built-in visual imaging (sometimes referred to as Picture-in-Picture fusion), automatic functionality, and infrared software development, deliver more cost-effective thermal analysis solutions than ever before.

Why Measure Temperature?

Nearly every object becomes hot before it fails, making infrared cameras extremely cost-effective, valuable diagnostic tools in many diverse applications. And as industry strives to improve manufacturing efficiencies, manage energy, improve product quality, and enhance worker safety, new applications for infrared cameras continually emerge. Measuring the temperature of objects, building structures, and even people provide valuable information pertaining to product safety, hazardous building conditions, and one's medical health.

Finding a problem with an infrared camera is sometimes not enough. In fact, an infrared camera image alone without accurate temperature measurements says very little about the condition of an electrical connection or worn mechanical part. Many electrical targets are operating properly at temperatures that are significantly above ambient. An infrared image without measurement can be misleading because it may visually suggest a problem that does not exist.

Infrared cameras that incorporate temperature measurement allow predictive maintenance professionals to make well-informed judgments about the operating condition of electrical and mechanical targets. Temperature measurements can be compared with historical operating temperatures or with infrared readings of similar equipment simultaneously, to determine if a significant temperature rise will compromise component reliability or plant safety.

Digital image storage, available on most FLIR Systems infrared cameras, produces calibrated thermal images that contain over 78,000 independent temperature measurements that can be measured at any time with FLIR Systems infrared software products on standard PC platforms.

Why use Infrared?

A picture says a thousand words; infrared thermography is the only diagnostic technology that lets you instantly visualize and verify thermal performance. FLIR's infrared cameras show you thermal problems, quantify them with precise non-contact temperature measurement, and document them automatically in seconds with professional, easy-to-create IR reports.

Cost effective power management is critical to maintaining the reliability of your electrical and mechanical systems. And today, no one would argue that infrared thermography is the most effective proven predictive maintenance (PM) technology available to quickly, accurately and safely locate problems prior to failure. In June 2001, Maintenance Technology magazine reported a $4 return on investment in for every $1 spent on infrared inspection. Finding and fixing a poor electrical connection before a component fails can save you the much greater costs associated with manufacturing downtime, production losses, power outages, fires and catastrophic failures.

Whether you're looking at buildings or hybrid circuits, there is a ThermaCAM infrared camera right for your application. With a complete line of infrared cameras, software, accessories, world-class thermographic training and applications support, FLIR stands ready to meet your specific infrared needs. Flexible rental, lease and purchase plans for our line of infrared cameras are available. FLIR is the one IR company you can specify and justify with confidence. Make sure that all the reliability you planned for gets delivered to your customer.

Who uses Infrared?

Building inspectors, electricians, general contractors, home efficiency consultants (energy auditors), plant maintenance professionals, HVAC contractors, mold remediation professionals, plumbers and medical technicians just to name a few. The use of infrared is rapidly expanding and enables inspections to be more thorough and quicker, without the need to convince customers - the data is in the temperature readings.

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