Sentry ST-652, Operation Instructions

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Emissivities of Some Objects
Object Emissivity Object Emissivity
Bitumen 0.90~0.98 Clothing (black) 0.98
Concrete 0.94 Human skin 0.98
Cement 0.96 Soap bubble 0.75~0.80
Sand 0.90 Charcoal 0.96
Soil 0.92~0.96 Paint 0.80~0.95
Water 0.92~0.96 Textile 0.90
Ice 0.96~0.98 Rubber (black) 0.94
Snow 0.83 Plastics 0.85~0.95
Glass 0.90~0.95 Wood 0.90
China 0.90~0.94 Paper 0.70~0.94
Marble 0.94 Chromium oxide 0.81
Gesso 0.80~0.90 Copper oxide 0.78
Mortar 0.89~0.91 Iron oxide 0.78~0.82
Brick 0.93~0.96