Ametek Land RT80B Kullanıcı Kılavuzu - Sayfa 18

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RT8B

7.2 Alloys

Chromel & Alumel
Constantin & Manganin

7.3 Miscellaneous

Asbestos (board/paper/cloth)
Brick
Cement & Concrete
Cloth (all types - close weave)
[Open weave reduces emissivity]
Paper & Cardboard
Plastics
Paints
Water
Fig. 12 Typical Emissivity Values for Miscellaneous Materials
14
Material
Brass
Oxidised
Oxidised
Oxidised
Inconel
Oxidised
Monel
Oxidised
Nichrome
Oxidised
Fig. 11 - Typical Emissivity Values for Alloys
Miscellaneous
Material
Asphalt
Graphite
soot
opaque
transmission 0.1
transmission 0.4
oils & enamels
lacquers
aluminium
depth > 50mm
Wood
Low Temperature Thermometer
Alloys
Emissivity Value
Emissivity Value
0.80 to 0.95
0.30 to 0.60
0.30
0.60
0.30
0.80
0.05
0.35
0.10
0.85
0.10
0.70
0.20
0.85
0.95
0.90
0.85
0.80
0.95
0.90
0.85
0.85
0.75
0.45
0.90
0.85
0.95
0.85
User Guide