Discussion Overview
The discussion revolves around the use of a Radiation Pyrometer for measuring temperature and radiation, specifically focusing on the conversion of voltage measurements to radiation values. Participants explore the application of Planck's law in contexts where the target is not a black body, raising questions about emission grades and the accuracy of measurements.
Discussion Character
- Technical explanation
- Conceptual clarification
- Debate/contested
Main Points Raised
- One participant describes their use of a Radiation Pyrometer and expresses difficulty in converting voltage measurements to radiation values.
- Another participant suggests that if the target is a black body, radiation depends solely on temperature and surface area, and recommends using Planck's law for calculations.
- The original poster clarifies that their target is not a black body and questions whether Planck's law can still be applied, expressing uncertainty about the appropriate emission grade to set.
- A later reply advises contacting the manufacturer for guidance on using the pyrometer with non-black body targets.
Areas of Agreement / Disagreement
Participants have not reached a consensus on the applicability of Planck's law for non-black body measurements, and there are competing views regarding the best approach to take in this context.
Contextual Notes
There is uncertainty regarding the definition of emission grades and how they affect the application of Planck's law in this scenario. The discussion does not resolve the mathematical steps needed for accurate conversion.