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Article of the Month:
Ensuring Accurate Measurements with Point Radiometers
Point radiometers, also known as infrared thermometers, have become a common tool in a variety of workplaces. Portability and instantaneous results are two of the many benefits that these instruments provide. Although they are relatively easy to operate, ensuring accuracy requires more than taking a ‘point and shoot’ approach.
While it is often interesting to use a thermal imager to view ordinary objects, imaging the sun, arc welders and similarly hot objects should be avoided unless your imager has been built specifically for these applications.
Thermal image shows a hotspot on the right tap of a dry-type transformer caused by a loose connection. Infrared inspection conducted with the transformer under load and its panel covers removed to afford line-of-sight access. Taken by Larry Stratton, this thermal image was the 1st Place winner - Electrical Category in the annual Image Contest held during the IR/INFO 2017 Conference.