26
(
For reference purpose only
)
Material
Surface
Temp
(℃)
Emissivity
coefficient
(
ε
)
Aluminum
Polished
100
0.20
Oxidized
100
0.55
Brass
Polished,brown
20
0.40
Dull, tarnished
38
0.22
Oxidized
100
0.61
Copper
Strongly Oxidized
20
0.78
Iron
Oxidized
100
0.74
Rusted
25
0.65
Iron,cast
Oxidized
200
0.64
Polished
100
0.21
wrought Iron
Rough
25
0.94
Carefully polished
38
0.28
Nickel
Oxidized
200
0.37
Stainless Steel
Oxidized
60
0.85
steel
Oxidized at 800
℃
200
0.79
Brick, common
---
20
0.93
Concrete
---
20
0.92
Glass
Smooth flat
20
0.94
Lacquer
White
100
0.92
Natural Black
100
0.97
Carbon
Smoky black
25
0.95
Candle smoke
20
0.95
Black-lead rough
20
0.98
Paint oil based Average of 16 colours
100
0.94
Paper
White
20
0.93
Sand
---
20
0.90
Wood
Polished
30
0.90
Water
---
30
0.96
Skin
Human
32
0.98
Porcelain
Fine
21
0.90
Rough
21
0.93
Summary of Contents for IR-CAM-160-P4
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Page 12: ...8 Figure 3 4 640x480...