Advanced Energy Impac 600 Series, User Manual

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Table G‑2. Emissivities for spectral range: 1.45 μm to 1.8 μm (Continued)
Target Object Material Emissivity (%)
Blackbody furnace 100
Brass, oxidized (tarnished) 60 to 70
Brick 80 to 90
Bronze, bright 3
Chamotte 45 to 60
Chromium, bright 25 to 30
Copper, oxidized 70 to 85
Earthenware, glazed 80 to 90
Gold, bright 2
Graphite 86 to 90
Nickel 15 to 20
Porcelain, glazed 60
Porcelain, rough 86 to 90
Silver, bright 2
Slag 80 to 85
Soot 95
Steel, heavily scaled 85 to 90
Steel, molten 20 to 25
Steel, rolling skin 80 to 88
Zinc 45 to 55
Table G‑3. Emissivities for spectral range: 2 μm to 2.6 μm
Target Object Material Emissivity (%)
Aluminum, extruded 13
Brass 18
Brass, oxidized (tarnished) 65 to 70
Black carbon 95
Blackbody furnace 100
Copper 5
Copper, oxidized 70 to 80
Graphite 80 to 90
Inconel 30
Inconel, oxidized 85
Iron, oxidized 85 to 90
Advanced Energy
®
Impac
®
Series 600 Pyrometer
57010228-00C Emissivity of Common Materials G‑2