Fluke 63 User Manual page 18

63/66/68
Infrared Thermometers
reach the same temperature as the surface beneath it. Measure
the temperature of the tape or painted surface.
The 66/68 thermometers allow you to adjust the unit's emissivity for
the type of surface being measured. Refer to Table 2.
Measured Surface
METALS
Aluminum
Oxidized
Alloy A3003
Oxidized
Roughened
Brass
Burnished
Oxidized
Copper
Oxidized
Electrical Terminal
Blocks
Haynes
Alloy
Inconel
Oxidized
Sandblasted
Electoropolished
14
Table 2. Surface Emissivity
Emissivity
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
Measured Surface Emissivity
Iron
Oxidized
Rusted
Iron, Cast
Oxidized
Unoxidized
Molten
Iron, Wrought
Dull
Lead
Rough
Oxidized
Molybdenum
Oxidized
Nickel
Oxidized
Platinum
Black
0.5-0.9
0.5-0.7
0.6-0.95
0.2
0.2-0.3
0.9
0.4
0.2-0.6
0.2-0.6
0.2-0.5
0.9