9. Emissivity
Emissivity characterization reflects the of material's radiated energy. Emissivity for most organic materials,
paints or oxidized surfaces are about 0.95. Total emissivity of selected metals and non-metals are listed in the
following table.
GB
Measured surfaces
Aluminum
A3003 Alloy
Brass
Copper
Hastelloy
Inconel
Iron
Iron (casting)
Iron (forging) Passivation
Lead
Molybdenum Oxidization
Nickel
Platinum
Steel
Zinc
10. Battery install or replacement
10.1 Open the battery cover (Pos. 6).
10.2 Install or replace a 9 V battery.
Emissivity
Metal
Oxidization
Oxidization
Rough
Burnishing
Oxidization
Oxidization
Electric terminal board
Alloy
Oxidization
Sand-blasting
Electro burnishing
Oxidization
Rusting
Oxidization
Non-oxidization
Casting
Rough
Oxidization
Oxidization
Black
Cold rolling
Steel plate burnishing
Steel plate rubbing
Oxidization
Measured surfaces
0.2-0.4
Asbestos
0.3
Asphalt
0.1-0.3
Basalt
0.3
0.5
Carbon
0.4-0.8
0.6
Ceramics
0.3-0.8
Clay
0.7-0.95
Concrete
0.3-0.6
Cloth
0.15
0.5-0.9
Glass
0.5-0.7
0.6-0.95
Plates
0.2
Stone products
0.2-0.3
Plaster
0.9
Ice
0.4
Limestone
0.2-0.6
Paper
0.2-0.6
Plastics
0.2-0.5
Water
0.9
Soil
0.7-0.9
Wood
0.4-0.6
0.1
0.1
10.2
1×9 V
10.1
4
English
Emissivity
Non-metal
Non-oxidization
0.8-0.9
Graphite
0.7-0.8
Silicon carbide
Convex glass
0.76-0.8
Smooth glass
0.92-0.94
Lead-boron glass
0.78-0.82
0.8-0.95
0.9-0.98
0.9-0.95
0.95
0.95
0.7
0.9
0.95
0.95
0.95
0.9
0.96
0.93
0.98
0.98
0.95
0.95
0.93