Common Material Emissivity（Fyi - Dali LT3 User Manual

LT3/LT7 Thermal Image Camera User Manual
Appendix A
Common material emissivity（FYI）
Material
Aluminum
Brass
Copper
Iron
Cast iron
Wrought iron
Nickel
Stainless steel
Steel
Common brick
Concrete
Glass
Lacquer
Carbon
Oil paint
Paper
Sand soil
Timber
Water
Skin
Ceramic
Surface
Non- oxidized
Oxidized
Burnished to Brown
Dull luster
Oxidized
Seriously Oxidized
Oxidized
Rusty
Oxidized
Non- Oxidized
Quarry-faced
Polished
Oxidized
Oxidized
Oxidized
Surface
Surface
Polished plate
White
Black
Smoke black
Candle soot
Rough lead surface
Value of 16 colors
White
Surface
Dressed
Distilled water
Human
Thin
Thick
Temperature℃
100
100
20
38
100
20
100
25
200
100
25
38
200
60
200
20
20
20
100
100
25
20
20
100
20
20
20
20
32
21
21
37
DALI
Emissivity（ε）
0.20
0.55
0.40
0.22
0.61
0.78
0.74
0.65
0.64
0.21
0.94
0.28
0.37
0.85
0.79
0.93
0.92
0.94
0.92
0.97
0.95
0.95
0.98
0.94
0.93
0.90
0.90
0.96
0.98
0.90
0.93