The origial poster admitted he was a roof infrared inspector . Now i can understand him finding hot spots with his infrared equipment while scanning electrical equipment--but the important thing is to understand "ELECTRICALLY" if that equipment's temperature is normal ? Being in the infrared business since 1989, we have many times been asked to re-inspect buildings which were scanned by none electrical thermographers. Their reports included many issues of electrical equipment designed to be hot and writen up as problems. Since these reports are subject to review by insurance companies, many customers want them accurate. No reflection on non-electrical thermographers who are only looking for "HEAT" or "HOT SPOTS", but reporting normal operating equipment as "problems" is not fair to the customer, nor the infrared industry. Take a twenty amp breaker feeding an A/C unit cooling a computer room. It rarely shuts down due the heat load and is running at 80 % of it rated amperage, and will apear "HOT" ! Does this breaker require replacement? No, and if you do replace it and wait long enough, it will look exactly as the original one! Or consider what an overload heater looks like on a fully loaded 1000 ton chiller --- looks like it's "on fire" ! And if it gets reported, someone will be replacing it--- that heater goes for about $1200 a pop, plus installation labor and that labor will probably be overtime since "ALL" the heaters will look bad ! Now i'm sure this poster could teach me many things about roof scans, since i have only done a handful and only as favors to a few customers. Same camera but different animals !
