VOLTCRAFT IR-1000-50CAM Notice D'emploi page 42

surface emissivity
Measured surface
Asphalt
Brick
Cement
Ceramic
Charcoal (powder)
Chromium oxides
Cloth (black)
Concrete
Copper oxides
Glass
Human skin
Ice
Iron oxide
The emissivity values shown in the above table are approximate. Several parameters,
e.g. geometry, surface quality, may affect the emissivity of an object.
Emissivity
0.90 to 0.98
0.93 to 0.96
0.96
0.90 to 0.94
0.96
0.81
0.98
0.94
0.78
0.90 to 0.95
0.98
0.96 to 0.98
0.78 to 0.82
Measured surface
Lacquer
Lacquer (matt)
Lather
Marble
Mortar
Paper
Plaster
Plastic
Rubber (black)
Sand
Soil
Textiles
Water
Emissivity
0.80 to 0.95
0.97
0.75 to 0.80
0.94
0.89 to 0.91
0.70 to 0.94
0.80 to 0.90
0.85 to 0.95
0.94
0.90
0.92 to 0.96
0.90
0.92 to 0.96
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