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Infrared System Specifications - What does it all mean?

Colin Hockings
NDT Supervisor Qantas Airways
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Abstract:

Introduction

Operating Band

Emissivity Correction:

Instantaneous Field of View (Spatial Resolution)

Measurement Field of View

Spot Size Ratio:

Noise Equivalent Temperature Difference

Minimum Detectable Temperature

Thermal Resolution

Accuracy

Zoom: optical and Electronic

Lenses and Filters:

Frame Rate:

Field display:

Non-uniformity Correction:

Conclusion:

BIBLIOGRAPHY

  1. Smith,Dr.J.R., IR Thermography Today, presented at Thermovision '98, March 1998
  2. Linnander,B., Thermal Imaging Answers the Question: How hot is hot?, Laser Focus World, pp95-99, June, 1993.
  3. Teich, A.C., Definition of Modern FPA Terms and what they mean to P/PM users, Inframetrics Inc.,N.Billerica MA (no date)
  4. Kaplan, H. Practical Applications of Infrared Thermal Sensing and Imaging Equipment. SPIE Press, Washington USA. 1993.
  5. ASTM E 1213-92 Standard Test Method for Minimum Resolvable Temperature Difference for Thermal Imaging Systems. Annual Book of ASTM Standards Vol 03.03.
  6. ASTM E 1311-89 (Reapproved 1993) Standard Test Method for Minimum Detectable Temperature Difference for Thermal Imaging Systems. Annual Book of ASTM Standards Vol 03.03.
  7. ASTM E 1543-94 Standard Test Method for Noise Equivalent Temperature Difference of Thermal Imaging Systems. Annual Book of ASTM Standards Vol 03.03.

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