14-4.Emissivity Values; Maintenance & Clearing - Brannan DT-8835 User Manual

14-4.Emissivity Values

Substance Thermal Emissivity
Asphalt 0.90 to 0.98
Concrete 0.94
Cement 0.96
Sand 0.90
Earth 0.92 to 0.96
Water 0.92 to 0.96
Ice 0.96 to 0.98
Snow 0.83
Glass 0.90 to 0.95
Ceramic 0.90 to 0.94
Marble 0.94
Plaster 0.80 to 0.90
Mortar 0.89 to 0.91
Brick 0.93 to 0.96
15.Maintenance & Clearing
•Repairs or serving aren't covered in this manual should only be
performed by qualified personnel.
•Periodically wipe the case with a dry cloth. Don't use abrasives or
solvents on this instrument.
•When serving, use only specified replacement parts.
InfraRed Thermometer User Manual
Substance
Cloth(black)
Human skin
Lather
Charcoal(powder)
Lacquer
Lacquer(matt)
Rubber(black)
Plastic
Timber
Paper
Chromium oxides
Copper oxides
Iron oxides
Textiles
Thermal Emissivity
0.98
0.98
0.75 to 0.80
0.96
0.80 to 0.95
0.97
0.94
0.85 to 0.95
0.90
0.70 to 0.94
0.81
0.78
0.78 to 0.82
0.90
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