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8 – Operating the camera
8.14
General
Example values
Procedure
8
NOTE
44
Changing emissivity
Emissivity is a value that specifies how much radiation an object emits, compared
to the radiation of a theoretical reference object of the same temperature (called a
'blackbody').
Except for shiny metals, a value of 0.96 is acceptable for most applications.
Asphalt paving
Brick, masonry, paint, plastic
Copper, heavily oxidized
Rubber, concrete
Stucco
Tape, electrical black
Wood
Follow this procedure to change emissivity:
1
To display the main menu, push Menu.
2
To select
, push the navigation pad up/down.
3
To enable the menu, push Select.
4
To select Emissivity, push the navigation pad up/down.
5
To enable the Emissivity menu, push Select.
6
Do one of the following:
Select an emissivity value in the menu.
■
Select Set value to set an arbitrary emissivity value.
■
7
To close the menu, push Select.
If you set the emissivity to a value lower than 0.5 a warning is displayed on the screen.
This is to remind you that the value is unusually low.
0.97
0.93
0.78
0.95
0.91
0.96
0.85
Publ. No. 1558299 Rev. a200 – ENGLISH (EN) – February 12, 2007
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