2021
DOI: 10.14313/par_242/25
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Determination of Transmittance of IR Windows made of CaF2 within Operational Temperatures of Electric Devices

Abstract: The article presents summaries of works which have resulted in the presentation of a formula making it possible to determine an approximate transmittance of an IR window used in thermographic measurements of electric device temperatures. The equation was formulated after analysing components of the IR radiation reaching the camera lens in case when an IR window was not used and when an IR window was used. Conditions prevailing in course of the thermographic temperature measurement of electric devices contained… Show more

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Cited by 1 publication
(3 citation statements)
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“…At the beginning, uniformity of the distribution of temperatures on the IR radiator was checked. The difference between the highest and the lowest temperature registered on the surface of the radiator was found to be 1.8 °C [9].…”
Section: Determining Limit Of Variablesmentioning
confidence: 84%
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“…At the beginning, uniformity of the distribution of temperatures on the IR radiator was checked. The difference between the highest and the lowest temperature registered on the surface of the radiator was found to be 1.8 °C [9].…”
Section: Determining Limit Of Variablesmentioning
confidence: 84%
“…The uncertainty budget for ϑ obj was designed. Estimates of input values x i were determined for the input values from equation (8) by means of formula (9). Then, equation (10) was used to determine values of standard uncertainties u(x i ) of input quantities.…”
Section: Measurement Budgetmentioning
confidence: 99%
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