Miscellaneous - Ametek LAND RT8A User Manual

User Guide

7.4 Miscellaneous

Asbestos (board/paper/cloth)
Brick
Cement & Concrete
Cloth (all types - close weave)
[Open weave reduces emissivity]
Paper & Cardboard
Plastics
Paints
Paints
Water
Fig. 13 - Typical Emissivity Values for Miscellaneous Materials
RT8A
Miscellaneous
Material
Asphalt
Graphite
soot
opaque
transmission 0.1
transmission 0.4
oils & enamels
lacquers
aluminium
oils & enamels
lacquers
depth > 50mm
Wood
Thermometer
Emissivity Value
0.95
0.90
0.85
0.80
0.95
0.90
0.85
0.80 to 0.95
0.85
0.75
0.45
0.90
0.85
0.30 to 0.60
0.95
0.85
0.95
0.85
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