Greenlee TG-2000 Manuel D'instructions page 14

Emissivity (cont'd)
Common Emissivities
Material
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 for Infrared Sensor
Target Temperature
15 °C to 35 °C
-60 °C to 0 °C
0 °C to 625 °C
59 °F to 95 °F
-76 °F to 32 °F
32 °F to 1157 °F
14
Emissivity
0.30
0.95
0.95
0.70
0.50
0.90
0.85
0.95
0.95
0.95
0.94
0.90
0.93
0.85
0.98
Ambient Temperature
20 °C to 26 °C
73 °F to 79 °F
Material
Iron*
Lead*
Limestone
Oil
Paint
Paper
Plastic**
Rubber
Sand
Snow
Steel*
Textiles
Water
Wood***
25 °C
77 °F
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
± 1.0 °C
± (2.0–0.05 x reading) °C
± 2.0% of reading or 2 °C,
whichever is greater
± 1.8 °F
± (5.2–0.05 x reading) °F
± 2.0% of reading or 4 °F,
whichever is greater