ITC Level II Practice Questions - Certified Infrared Thermographer Level II Exam

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A Level II thermographer is inspecting electrical switchgear through a polycarbonate IR window rated at 80% transmittance in the 8–14 µm band. The camera measures 68°C on a busbar. What correction must be applied?

No correction needed; the window rating accounts for all losses Divide the measured temperature by 0.80 to get the true temperature Set the camera's transmittance parameter to 0.80 so the camera compensates automatically Increase the measured temperature by 20% to compensate for window losses

Correct Answer:

Set the camera's transmittance parameter to 0.80 so the camera compensates automatically

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