Using thermal imagers to troubleshoot or inspect a wide variety of electromechanical systems is commonplace. But these days a lot of technicians—both in-house and outsourced—are also putting them to work after a repair to verify that the problem is solved.
The best way to do this is to have a baseline image of the trouble spot before the problem occurred that you can compare to the “after” image. If you don’t have a baseline image, you can still compare the “after” image to the image captured during troubleshooting.
If the thermal signature has changed for the better and shows that the target temperature is within spec, then you know the issue is resolved.
Thermal imagers help you cover a lot of ground in very little time, so even if you have a long list of repairs, you can verify them all quickly without having to shut down the systems. Whether you’re verifying your own repairs or following up on a third party, you’ll have documentation that the repair was completed successfully in case there is any question about it down the road.
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