Power Fist 8730541, User Manual

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8730541 Infrared Thermometer V4.0
10 For technical questions call 1-800-665-8685
THERMAL EMISSIVITY
All objects will emit infrared energy (heat) based on its temperature. This is
called Thermal Emissivity. The chart below shows the approximate temperature
for different substances. The temperature may be higher or lower depending on
external influences such as sunshine, etc.
Substance Thermal
Emissivity
Aluminum 0.3
Asphalt 0.94
Brass 0.5
Brick (red) 0.95
Carbon 0.85
Cement 0.96
Ceramic 0.93
Charcoal (Powder) 0.96
Chromium Oxides 0.81
Concrete 0.94
Copper 0.95
Copper Oxides 0.78
Earth 0.94
Glass 0.93
Human Skin 0.98
Ice 0.97
Iron 0.7
Iron Oxides 0.8
Lacquer 0.88
Lacquer (Matte) 0.97
Lead 0.5
Limestone 0.98
Marble 0.94
Mortar 0.9
Oil 0.94
Paper 0.82
Plaster 0.85
Plastic 0.9
Rubber (Black) 0.94
Sand 0.9
Snow 0.83
Steel 0.8
Textiles 0.9
Timber 0.9