Emissivity - FLIR ThermaCAM E4 Operator's Manual

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Figure 9.12 Symbols in the temperature scale, indicating (1) increasing span; (2) decreasing span; (3) in-
creasing level, and (4) decreasing level
Point to Automatic adjust and press MENU/YES to put the camera in automatic mode,
continuously optimizing the image for best level and span.
9.4.4

Emissivity

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Figure 9.13 Emissivity dialog box
Point to Emissivity on the vertical menu bar and press MENU/YES to display the
Emissivity dialog box.
To change the emissivity, press the navigation pad right/left
■
To display an emissivity table and select a value from the table, press Emissivity
■
table
To confirm the choice, press MENU/YES
■
To cancel any changes, press PWR/NO
■
To change T Refl (reflected ambient temperature), press the navigation pad right/left
■
To confirm the choice, press MENU/YES
■
To cancel any changes, press PWR/NO
■
For more information about emissivity and reflected ambient temperature, see section
15 – Thermographic measurement techniques on page 67 and section 17 – Theory
of thermography on page 73
➲ Please note the following:
When the scale is selected, you can change the emissivity directly by using the
■
navigation pad.
If you enter an emissivity value less than 0.30 the emissivity box will begin flashing
■
to remind you that this value is unusually low.
Publ. No. 1 558 017 Rev. a62 – ENGLISH (EN) – August 19, 2004
9.4 – Menu system
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