Amprobe IR-750 User Manual page 12

Measure Surface
Oxidized
Oxidized
Roughened
Burnished
Oxidized
Oxidized
Electrical Terminal Blocks
Alloy
Oxidized
Sandblasted
Electoropolished
Oxidized
Rusted
Oxidized
Unoxidized
Molten
Table of Surface Emissivity
METALS
Aluminum
Alloy A3003
Brass
Cooper
Haynes
Inconel
Iron
Iron Cast
7
Switch Setting
0.2 – 0.4
0.3
0.1 – 0.3
0.3
0.5
0.4 – 0.8
0.6
0.3 – 0.8
0.7 – 0.95
0.3 – 0.6
0.15
0.5 – 0.9
0.5 – 0.7
0.6 – 0.95
0.2
0.2 – 0.3