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Effects of Environmental Conditions on the Performance of Thermal Imagers |
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| Authors: | R Vendt M Juurma P Jaanson V Vabson T K??barsepp M Noorma |
| Affiliation: | 1. Research and Development Division, Metrosert Ltd.??Central Office for Metrology, Riia 185b, 51014, Tartu, Estonia 2. Institute of Physics, Faculty of Science and Technology, University of Tartu, T?he 4, 51010, Tartu, Estonia 3. Metrology Research Institute, Department of Signal Processing and Acoustics, Aalto University School of Science and Technology, Otakaari 1, 00076, Espoo, Aalto, Finland |
| Abstract: | An experimental setup for characterization of thermal imagers has been designed and constructed. The setup comprises a climatic chamber and a temperature-controlled flat blackbody target that allow testing of thermal imagers in the ambient temperature range from ?13 °C to + 23 °C and at target temperatures from ?15 °C to + 120 °C. The setup has been tested with a high quality thermal imager for scientific use and a mid-range thermal imager for industrial applications. The test results indicate that the setup allows monitoring the changes in indication of thermal imagers within the standard uncertainty limits of 0.5 °C. |
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