Beta 1760/IR1000 Manual Instrucciones De Uso página 40

13. Emissivity Values
Thermal
Substance
emissivity
Asphalt 0.90 to 0.98
Concrete 0.94
Cement 0.96
Sand 0.90
Earth 0.92 to 0.96
Thermal
Substance
emissivity
Cloth (black) 0.98
Human skin 0.98
Lather 0.75 to 0.80
Charcoal
0.96
(powder)
Lacquer 0.80 to 0.95