Emissivity Of Normal Materials; Maintenance - PROFECO 42250 Instruction Manual

21.

Emissivity of normal materials

Materials Thermal radiation
Asphalt 0,90~0,98
Concrete 0,94
Cement 0,96
Sand 0,90
Soil 0,92~0,96
Water 0,92~0,96
Ice 0,96~0,98
Snow 0,83
Glass 0,90
Ceramics 0,90~0,95
Marble 0,90~0,94
Plaster 0,94
Mortar 0,80~0,90
Brick 0,89~0,91
22.

Maintenance

Use a wet cloth or liquid soap to clean the casing. Do not use abrasives, isopropyl
alcohol or solvents to clean the case, lens or window.
Materials Thermal radiation
Black cloth 0,98
Human skin 0,98
Bubbles 0,75~0,80
Charcoal dust 0,96
Paint 0,80~0,95
Matt paint 0,97
Black rubber 0,94
Plastic 0,85~0,95
Wood 0,90
Paper 0,70~0,94
Chromium oxide 0,81
Copper oxide 0,78
Iron oxide 0,78~0,82
Texture 0,90
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