Maintenance - Extech Instruments RH101 User Manual

Thermal Emissivity Table for Common Materials
Material
Asphalt
Concrete
Cement
Sand
Earth
Water
Ice
Snow
Glass
Ceramic
Marble
Plaster
Mortar
Brick

Maintenance

Cleaning and storage
1. The meter should be cleaned with a damp cloth and mild detergent when necessary.
Do not use solvents or abrasives.
2. Store the meter in an area with moderate temperature and humidity.
Emissivity
0.90 to 0.98
0.94
0.96
0.90
0.92 to 0.96
0.67
0.96 to 0.98
0.83
0.85 to 1.00
0.90 to 0.94
0.94
0.80 to 0.90
0.89 to 0.91
0.93 to 0.96
Cloth (black)
Human skin
Lather
Charcoal (powder)
Lacquer
Lacquer (matt)
Rubber (black)
Plastic
Timber
Paper
Chromium oxides
Copper Oxides
Iron Oxides
Textiles
6
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
RH101-EU V3.0 11/07