# Thermal Imaging - Level 1

- By: Jay Seidel
- Publisher: Fullerton College
- Source: [LibreTexts](https://workforce.libretexts.org/Bookshelves/Inspection_and_Certification/Thermal_Imaging__-_Level_1_(Seidel))
- Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)
- Read at LibreTexts: https://workforce.libretexts.org/Bookshelves/Inspection_and_Certification/Thermal_Imaging__-_Level_1_(Seidel)
- PDF: https://downloads.libretexts.org/api/v1/download/workforce-57775/pdf

This book provides a clear and practical introduction to infrared thermography for ASNT Level I technicians, combining basic theory with hands-on skills used in real-world inspections. Students learn how heat behaves, how infrared cameras work, and how to capture accurate thermal images while recognizing common sources of error. The book covers key applications in electrical systems, mechanical equipment, and building inspections, while highlighting the responsibilities of Level I personnel.