Extech Instruments HD300 Guía de usuario descargar pdf (Pagina 9)

HD300-EU-EN V2.2 07/13

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 0.83 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 HD300 Guía de usuario Pagina 9