RayTek 3i Operator's Manual page 61

Table B-1 (continued): Emissivity Values for Metals
Material
Iron
Oxidized
Unoxidized
Rusted
Molten
Iron, Cast
Oxidized
Unoxidized
Molten
Iron, Wrought
Dull
Lead
Polished
Rough
Oxidized
Magnesium
Mercury
Molybdenum
Oxidized
Unoxidized
Monel (Ni-Cu)
Nickel
Oxidized
Electrolytic
Platinum
Black
Silver
Steel
Cold-Rolled
Ground Sheet
Polished Sheet
Molten
Oxidized
Stainless
Tin (Unoxidized)
Titanium
Polished
Oxidized
Tungsten
Polished
Zinc
Oxidized
Polished
Material
n.r. = not recommended
Raynger 3i Series Operator's Manual
Emissivity
1.0µm 1.6µm
0.4-0.8 0.5-0.9
0.35 0.1-0.3
n.r. 0.6-0.9
0.35 0.4-0.6
0.7-0.9 0.7-0.9
0.35 0.3
0.35 0.3-0.4
0.9 0.9
0.35 0.05-0.2
0.65 0.6
n.r. 0.3-0.7
0.3-0.8 0.05-0.3
n.r. 0.05-0.15
0.5-0.9 0.4-0.9
0.25-0.35 0.1-0.35
0.3 0.2-0.6
0.8-0.9 0.4-0.7
0.2-0.4 0.1-0.3
n.r. 0.95
n.r. 0.02
0.8-0.9 0.8-0.9
n.r. n.r.
0.35 0.25
0.35 0.25-0.4
0.8-0.9 0.8-0.9
0.35 0.2-0.9
0.25 0.1-0.3
0.5-0.75 0.3-0.5
n.r. 0.6-0.8
n.r. 0.1-0.6
0.35-0.4 0.1-0.3
0.6 0.15
0.5 0.05
Emissivity
8-14µm
0.5-0.9
n.r.
0.5-0.7
n.r.
0.6-0.95
0.2
0.2-0.3
0.9
n.r.
0.4
0.2-0.6
n.r.
n.r.
0.2-0.6
0.1
0.1-0.14
0.2-0.5
n.r.
0.9
n.r.
0.7-0.9
0.4-0.6
0.1
n.r.
0.7-0.9
0.1-0.8
n.r.
n.r.
0.5-0.6
n.r.
n.r.
0.1
n.r.
B-3