Common Material Emissivity（Fyi; Appendix A - Dali LT7-P User Manual

LT3-P/LT7-P Thermal Image Camera User Manual

Appendix A

Common material emissivity
Material Surface
Non- oxidized
Aluminum
Oxidized
Burnished to Brown
Brass
Dull luster
Oxidized
Copper Seriously Oxidized
Oxidized
Iron
Rusty
Oxidized
Cast iron
Non- Oxidized
Quarry-faced
Wrought iron
Polished
Nickel Oxidized
Stainless steel Oxidized
Steel Oxidized
Common brick Surface
Concrete Surface
Glass Polished plate
White
Lacquer
Black
Smoke black
Carbon
Candle soot
Rough lead surface
Oil paint
Paper White
Sand soil Surface
Timber Dressed
Water Distilled water
Skin Human
Thin
Ceramic
Thick
Value of 16 colors
（FYI）
Temperature° C
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
43
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