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All objects emit infrared radiation, and the amount of radiation an object emits increases as its temperature rises. Thermographic cameras detect radiation in the infrared range of the electromagnetic spectrum, causing warm objects to stand out clearly against cooler backgrounds on the camera display.
More maintenance and engineering departments are using thermal imagers to diagnose small problems in electrical equipment before the problems grow into expensive emergencies. But the applications for these imagers go beyond electrical systems:
Infrared INSIGHTS: Benefits AboundOne major benefit of scanning electrical systems using infrared-imaging technology is the facility can remain energized and operational throughout the process. Another benefit is many situations exist where technicians can scan electrical components, such as utility power poles, from a safe distance with no contact required and without the risk posed by exposing staff to unnecessary safety hazards. If a thermal scan provides evidence of a loose connection or other irregularities, technicians can set up a scheduled procedure for shutting off power and repairing equipment at a designated time that does not disrupt facility operations. — Michael Newbury
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Infrared Imaging: Viewing Modes Expand
Thermal Imagers Play Role in Preventive Maintenance Programs
Safe Infrared Scanning Starts with Personal Protective Equipment
Infrared Imaging: Temperature Differentials Tell the Story
Infrared Imaging: Beyond Electrical Systems