ASTM E1933
Standard Practice for Measuring and Compensating for Emissivity Using Infrared Imaging Radiometers
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About This Item
ASTM E1933 is the ASTM standard focused on measuring and compensating for emissivity when using infrared imaging radiometers. It is relevant to users who need more reliable temperature readings from infrared images, especially when surface emissivity can affect results. By addressing emissivity correction, this technical document supports more consistent infrared measurement practice and helps reduce error in imaging-based thermal evaluation.
ASTM E1933 standard overview
The Standard Practice for Measuring and Compensating for Emissivity Using Infrared Imaging Radiometers provides guidance for working with infrared imaging equipment when surface emissivity must be considered. In practical terms, the standard helps users account for how different surfaces emit infrared energy, which can influence the temperature values reported by a radiometer. ASTM E1933 is therefore an important reference for applying infrared imaging in a more controlled and technically defensible way.
Where is ASTM E1933 used?
This standard is commonly used in workflows that rely on infrared imaging radiometers for temperature measurement and thermal inspection. It is especially relevant where surface condition, finish, or material emissivity can affect image interpretation. ASTM E1933 may be used in laboratory settings, field inspections, equipment evaluation, and quality-related thermal assessments. It is most useful when infrared results need to be compared, documented, or adjusted with greater consistency.
Practical importance of ASTM E1933
The practical value of ASTM E1933 lies in improving confidence in infrared temperature measurements. When emissivity is not considered, readings can be misleading, which may affect testing, product evaluation, or maintenance decisions. This standard supports more consistent measurement practice, better data comparability, and reduced risk of misinterpretation. For organizations using infrared imaging radiometers, it can be an important part of compliance and quality control procedures.
- Emissivity measurement and correction
- Infrared imaging radiometer use
- Temperature reading consistency
- Thermal inspection workflow support
- Improved measurement reliability
- Publication Date: 2022-12-19
- Publisher: ASTM
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