Here is a handy tool that lets you test electronic components like a pro. The FLIR ETS320 Thermal Electronics Tester has a 320 x 240 IR sensor to help you identify hot spots and potential points of failure. It is sensitive enough to detect temperature differences smaller than 0.06C.
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The ETS320 is battery powered and wireless. It has a ±3% measurement accuracy and has 45° field of view.
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