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Substance
Thermal emissivity
Substance
Thermal emissivity
Asphalt
0.90...0.98
Cloth (black)
0.98
Concrete
0.94
Human skin
0.98
Cement
0.96
Lather
0.75...0.80
Sand
0.90
Charcoal (powder)
0.96
Earth
0.92...0.96
Lacquer
0.80...0.95
Water
0.92...0.96
Lacquer (matt)
0.97
Ice
0.96...0.98
Rubber (zwart)
0.94
Snow
0.83
Plastic
0.85...0.95
Glass
0.90...0.95
Timber
0.90
Ceramic
0.90...0.94
Paper
0.70...0.94
Marble
0.94
Chromium oxides
0.81
Plaster
0.80...0.90
Copper oxides
0.78...0.82
Mortar
0.89...0.91
Iron oxides
0.78...0.82
Brick
0.93...0.96
Textiles
0.90
7.
M
aintenance
•
Repairs or service are not covered in this manual and should only be
carried out by qualified trained technician
•
Periodically, wipe the body with a dry cloth. Do not use abrasives or
solvents on this instrument
•
For service, use only manufacturer’s specified parts