Emissivity Coefficient Table - Spectral Mode - Siemens Ardoptix PT 140 AF4 Operating Manual

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22.4 Emissivity Coefficient Table – Spectral Mode
List of emissivity coefficients of different materials in %
Wavelength 
"Black Body"
Aluminium, polished
Aluminium, blackened
Asbestos cement
Bronce, polished
Bronze, blackened
Chromium, polished
Iron, heavily scaled
Iron, rolling skin
Iron, liquid
Gold and silver
Graphite, blackened
Copper, oxidized
Brass, oxidized (tarnished)
Nickel
Porcelain, glazed
Porcelain, rough
Soot
Fireclay
Slag
Pottery, glazed
Bricks
Zinc
0.8...1.1 m
42
Operating manual
PT 140
100
15
25
70
3
30
30
95
90
30
2
90
90
70
20
60
85
95
50
85
90
90
60