Achieving a good image15
White hot
Black hot
Lava
15.5.2 Procedure
Follow this procedure:
1. Push the joystick to display the menu system.
2. Use the joystick to go to
(Color).
3. Push the joystick to display a submenu.
4. Use the joystick to select a different palette.
5. Push the joystick.
15.6 Changing the object parameters
For accurate measurements, you must set the object parameters:
• External IR window compensation.
• Object distance.
• Atmospheric temperature.
• Relative humidity.
• Reflected temperature.
• Emissivity.
You can set the object parameters globally. You can also change the Emissivity, Re-
flected temperature, and Object distance parameters locally for a measurement tool.
For more information, see section 17.5 Changing object parameters, page 59.
15.7 Calibrating the camera
15.7.1 General
Calibration of the camera is performed as a non-uniformity correction (NUC). An NUC is
an image correction carried out by the camera software to compensate for different sen-
sitivities of detector elements and other optical and geometrical disturbances
1
.
#T559954; r. AP/42311/42335; en-US
53
1. Definition from the impending international adoption of DIN 54190-3 (Non-destructive testing – Thermographic
testing – Part 3: Terms and definitions).
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