Fluke Ti50 User Manual
Page 102

Ti40, Ti45, Ti50, Ti55
Users Manual
C-2
Table C-1. Emissivity Values of Common Materials (cont.)
Material Temperature (°C)
Emissivity
Carbon, purified
0
0.80
Cast iron, rough casting
0
0.81
Cast iron, polished
0
0.21
Charcoal, powdered
0
0.96
Chromium, polished
0
0.10
Clay, fired
0
0.91
Concrete 0
0.54
Copper, polished,
annealed
0-17 0.01-0.02
Copper, commercial
burnished
0 0.07
Copper, oxidized
0
0.65
Copper, oxidized to
black
0 0.88
Electrical tape, black
plastic
0 0.95
Enamel 27
0.90
Formica 0
0.93
Frozen soil
0
0.93
Glass 0
0.92
Glass, frosted
0
0.96
Gold, polished
0
0.02
Ice 0 0.97
Iron, hot rolled
0
0.77
Iron, oxidized
0
0.74