koban KTIR-550 Manuel D'utilisation page 35

Non-Contact Infrared Thermometers
black paint. Allow time for the tape to reach the same
temperature as the material underneath it. Measure the
temperature of the tape or painted surface.
Emissivity Values
Substance Thermal
emissivity
Asphalt 0.90 to 0.98
Concrete 0.94
Cement 0.96
Sand 0.90
Earth 0.92 to 0.96
Water 0.92 to 0.96
Ice 0.96 to 0.98
Snow 0.83
Glass 0.90 to 0.95
Ceramic 0.90
Marble 0.94
Plaster 0.80 to 0.90
Mortar 0.89 to 0.91
Brick 0.93 to 0.96
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KTIR-550
Substance Thermal
emissivity
Cloth (black) 0.98
Human skin 0.98
Lather 0.75 to 0.80
Charcoal 0.96
(powder)
Lacquer 0.80 to 0.95
Lacquer 0.97
(matt)
Rubber 0.94
(black)
Plastic 0.85 to 0.95
Timber 0.90
to Paper 0.70 to 0.94
Chromium 0.81
oxides
Copper 0.78
oxides
Iron oxides 0.78 to 0.82
Textiles 0.90
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