RayTek MARATHON MM SERIES, Руководство по эксплуатации, Страница: 86 / 88

Appendix
86
Rev.
D7 Jul 2017
Marathon MM
M
ETALS
Emissivity
Material
1 µm 1.6 µm 2.3 µm 3.9 µm 5 µm 7.9 µm 8 – 14 µm
Monel (Ni-Cu) 0.3 0.2-0.6 0.2-0.6 0.1-0.5 0.1-0.5 0.10-0.25 0.1-0.14
Oxidized 0.60-0.85 0.7-0.9
Nickel
Oxidized 0.8-0.9 0.4-0.7 0.4-0.7 0.3-0.6 0.3-0.6 0.80-0.95 0.2-0.5
Electrolytic 0.2-0.4 0.1-0.3 0.1-0.2 0.1-0.15 0.1-0.15 0.05-0.15
Platinum
Black 0.95 0.95 0.9 0.9 0.9
Silver 0.02 0.02 0.02 0.02 0.03-0.15 0.02
Steel
Cold-Rolled 0.8-0.9 0.8-0.9 0.8-0.9 0.8-0.9 0.7-0.9
Ground Sheet 0.6-0.7 0.5-0.7 0.5-0.7 0.4-0.6
Polished Sheet 0.35 0.25 0.2 0.1 0.1 0.10-0.25 0.1
Molten 0.35 0.25-0.4 0.25-0.4 0.1-0.2 0.1-0.2
Oxidized 0.8-0.9 0.8-0.9 0.8-0.9 0.7-0.9 0.7-0.9 0.80-0.95 0.7-0.9
Stainless 0.35 0.2-0.9 0.2-0.9 0.15-0.8 0.15-0.8 0.10-0.25 0.1-0.8
Tin (Unoxidized) 0.25 0.1-0.3 0.1-0.3 0.05 0.05 0.05
Titanium
Polished 0.5-0.75 0.3-0.5 0.2-0.5 0.1-0.3 0.1-0.3 0.05-0.2
Oxidized 0.6-0.8 0.6-0.8 0.5-0.7 0.5-0.7 0.5-0.6
Tungsten 0.1-0.6 0.05-0.5 0.05-0.5 0.03
Polished 0.35-0.4 0.1-0.3 0.1-0.3 0.05-0.25 0.05-0.25 0.05-0.20 0.03-0.1
Zinc
Oxidized 0.6 0.15 0.15 0.1 0.1 0.1
Polished 0.5 0.05 0.05 0.03 0.03 0.15-0.25 0.02
Tab. 13: Typical Emissivity Values