MICRO-EPSILON thermoMETER CT - Page 94

Seite 94
Appendix | Emissivity Table Non Metals
thermoMETER CT
Material Typical Emissivity
Spectral response 1.0 μm 1.6 μm 5.1 μm 8 - 14 μm
Steel Polished plate 0.35 0.25 0.1 0.1
Rustless 0.35 0.2 - 0.9 0.15 - 0.8 0.1 - 0.8
Heavy plate 0.5 - 0.7 0.4 - 0.6
Cold-rolled 0.8 - 0.9 0.8 - 0.9 0.8 - 0.9 0.7 - 0.9
Oxidized 0.8 - 0.9 0.9 - 0.9 0.7 -0.9 0.7 - 0.9
Tin Non oxidized 0.25 0.1 - 0.3 0.05 0.05
Titanium Polished 0.5 - 0.75 0.3 - 0.5 0.1 - 0.3 0.05 - 0.2
Oxidized 0.6 - 0.8 0.5 - 0.7 0.5 - 0.6
Wolfram Polished 0.35 - 0.4 0.1 - 0.3 0.05 - 0.25 0.03 - 0.1
Zinc Polished 0.5 0.05 0.03 0.02
Oxidized 0.6 0.15 0.1 0.1