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C-1
Appendix C
Emissivity Values
Use the emissivity values shown in Table C-1 as a guide to properly setting the
emissivity value on your Camera.
Table C-1. Emissivity Values of Common Materials
Material Temperature (°C) Emissivity
Aluminum, polished 0 0.05
Aluminum, rough
surface
0 0.07
Aluminum, strongly
oxidized
0 0.25
Asbestos board 0 0.96
Asbestos fabric 0 0.78
Asbestos paper 0 0.94
Asbestos slate 0 0.96
Brass, dull, tarnished 0 0.22
Brass, polished 0 0.03
Brick, common 0 0.85
Brick, glazed, rough 0 0.85
Brick, refractory, rough 0 0.94
Bronze, porous, rough 0 0.55
Bronze, polished 0 0.10