Extech Instruments AN200 Manual de usuario descargar pdf (Pagina 12)

AN200-EU-EN-V2.5-6/13

Thermal Emissivity Table for Common Materials

Material Emissivity Material Emissivity

Asphalt 0.90 to 0.98 Cloth (black) 0.98

Concrete 0.94 Human skin 0.98

Cement 0.96 Leather 0.75 to 0.80

Sand 0.90 Charcoal (powder) 0.96

Earth 0.92 to 0.96 Lacquer 0.80 to 0.95

Water 0.67 Lacquer (matt) 0.97

Ice 0.96 to 0.98 Rubber (black) 0.94

Snow 0.9 Plastic 0.85 to 0.95

Glass 0.85 to 1.00 Timber 0.90

Ceramic 0.90 to 0.94 Paper 0.70 to 0.94

Marble 0.94 Chromium oxides 0.81

Plaster 0.80 to 0.90 Copper Oxides 0.78

Mortar 0.89 to 0.91 Iron Oxides 0.78 to 0.82

Brick 0.93 to 0.96 Textiles 0.90

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Extech Instruments AN200 Manual de usuario Pagina 12