Filling the IFOVmeas for accurate temperature measurements

The thermographer who needs to measure the temperature of a spot on a target should be certain this spot completely fills the IFOVmeas of the instrument. If it doesn t, it is still possible to learn some useful things about the target with the instrument, but it is impossible to get an accurate reading of target temperature. The 

Coat secHon with a high emissivtty material of known value. 

Measure temperaluie of the coaled section with e set at the known value. 

Adjust to repeat the temperature reading of step 4. this Is the effective embsIvHy of the sample. 

6 Recognizing and avoiding refiections from externai sources 

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