Greenlee TG-100 Instruction Manual page 13

Common Emissivities
Material Emissivity
Aluminum
Asbestos
Asphalt
Basalt
Brass*
Brick
Carbon
Ceramic
Concrete
Copper*
Dirt
Food (frozen)
Food (hot)
Glass (plate)
Ice
* oxidized
** opaque, over 0.51 mm (0.0020") thick
*** natural
Accuracy
Accuracy Table
Degrees Celsius
100 and above
25 to 100
–18 to 25
–26 to -18
–32 to –26
Material
0.30
Iron*
0.95
Lead*
0.95
Limestone
0.70
Oil
0.50 Paint
0.90 Paper
0.85
Plastic**
0.95
Rubber
0.95
Sand
0.95 Snow
0.94 Steel*
0.90
Textiles
0.93
Water
0.85
Wood***
0.98
Degrees Fahrenheit
212 and above
77 to 212
0 to 77
–15 to 0
–25 to –15
TG-100 • TG-200 • TG-300
Emissivity
0.70
0.50
0.98
0.94
0.93
0.95
0.95
0.95
0.90
0.90
0.80
0.94
0.93
0.94
Accuracy
1%
1 C ( 2 F)
2 C ( 3 F)
2.5 C ( 4 F)
3 C ( 5 F)
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