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FLIR ThermaCam P25 User Manual

FLIR ThermaCam P25
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ActionStep
Measure the apparent temperature of the aluminum foil and write it down.
10727003;a2
Figure 18.4 Measuring the apparent temperature of the aluminum foil
5
18.2.1.2 Step 2: Determining the emissivity
ActionStep
Select a place to put the sample.1
Determine and set reflected apparent temperature according to the previous pro-
cedure.
2
Put a piece of electrical tape with known high emissivity on the sample.3
Heat the sample at least 20 K above room temperature. Heating must be reasonably
even.
4
Focus and auto-adjust the camera, and freeze the image.5
Adjust Level and Span for best image brightness and contrast.6
Set emissivity to that of the tape (usually 0.97).7
Measure the temperature of the tape using one of the following measurement
functions:
Isotherm (helps you to determine both the temperature and how evenly you
have heated the sample)
Spot (simpler)
Box Avg (good for surfaces with varying emissivity).
8
Write down the temperature.9
Move your measurement function to the sample surface.10
Change the emissivity setting until you read the same temperature as your previous
measurement.
11
18
128 Publ. No. 1557978 Rev. a155 ENGLISH (EN) February 6, 2006
18 Thermographic measurement techniques

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FLIR ThermaCam P25 Specifications

General IconGeneral
BrandFLIR
ModelThermaCam P25
CategoryThermal cameras
LanguageEnglish

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