Extech AN200 Anemometer AN200 Scheda Tecnica

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AN200
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AN200-EU-ENG V2.1  3/08 
13 
Thermal Emissivity Table for Common Materials 
 
Material Emissivity 
Asphalt 
0.90 to 0.98 
Concrete 0.94 
Cement 0.96 
Sand 0.90 
Earth 
0.92 to 0.96 
Water 0.67 
Ice 
0.96 to 0.98 
Snow 0.83 
Glass 
0.85 to 1.00 
Ceramic 
0.90 to 0.94 
Marble 0.94 
Plaster 
0.80 to 0.90 
Mortar 
0.89 to 0.91 
Brick 
0.93 to 0.96 
Cloth (black) 
0.98 
Human skin 
0.98 
Leather 
0.75 to 0.80 
Charcoal (powder) 
0.96 
Lacquer 
0.80 to 0.95 
Lacquer (matt) 
0.97 
Rubber (black) 
0.94 
Plastic 
0.85 to 0.95 
Timber 0.90 
Paper 
0.70 to 0.94 
Chromium oxides 
0.81 
Copper Oxides 
0.78 
Iron Oxides 
0.78 to 0.82 
Textiles 0.90