Extech Instruments AN200 Uživatelský manuál stáhnout pdf (Strana 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 Uživatelský manuál Strana 12