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Article of the Month:

The Dangers of Improper Thermal Imager Settings During Thermographic Inspections

Sonny James
Managing Director

Thermal Diagnostics Limited
15 Robertson Street
Les Efforts East San Fernando
Trinidad & Tobago, West Indies
Ph: 868-653-9343 / 868-657-6572

Over the years, I have viewed so many images and reports of thermographic inspections being carried out with improper imager settings, that I have ended up adding a section in my training courses on “How Not To Do An IR Survey”. I show upcoming as well as experienced thermographers actual real world examples of poor and careless IR work.

This paper will show how improper thermal imager settings can result in potentially dangerous outcomes with plant equipment, personnel safety and property. Examples of shoddy insulation, electrical and motor inspections using improper thermal imager settings will also be shown.

This paper will further discuss the importance of possessing adequate knowledge and experience for the application and equipment being inspected to effectively detect discontinuities. It will also briefly highlight the recent changes to ASNT SNT-TC-1A Thermal Infrared certification, which now addresses this important issue.

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