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Emissivity table (reference values with tolerances)
Alloy A3003
Oxidised
Roughened
Aluminium
Oxidised
Polished
Brass
Polished
Oxidised
Chromium oxide
Copper
Oxidised
Copperoxide
Inconel
Oxidised
Electropolished
Asbestos
Asphalt
Basalt
Brick, red
Carborundum
Cement
Ceramics
China
Brilliant white
With glaze
Clay
Coal
Non-oxidised
Concrete, plaster, mortar
Cotton
Earthenware, matt
Fabric
Glass
Glass wool
Graphite
11
Measurement-specific settings: Temperature range, high
An alarm sounds to signal whether the temperature at the measuring point exceeds the set temperature range.
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E: 0.95
HAL Temp: 250°C
LAL Temp: -20°C
Auto off: 1 min
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1/2
Iron
0.20
Oxidised
0.20
With rust
Iron, cast
0.30
Non-oxidised
0.05
Molten mass
Iron, forged
0.30
Matt
0.50
Lead
0.81
Rough
Platinum
0.72
Black
0.78
Steel
Cold rolled
0.83
Ground plate
0.15
Polished plate
Nonmetals
0.93
Gravel
0.95
Grit
0.70
Gypsum
0.93
Gypsum cardboard
0.90
Heat sink
Black, anodized
0.95
Human skin
0.95
Ice
Clear
0.73
With heavy frost
0.92
Laminate
0.95
Lime
0.85
Lime malm brick
0.93
Limestone
Marble
0.77
Black, dull finish
0.93
Greyish, polished
0.95
Masonry
0.90
Paint
0.95
Black, matt
Heat-resistant
0.75
White
High Alarm
Settings
HAL Temp: 50°C
HAL Temp: 100°C
HAL Temp: 150°C
HAL Temp: 200°C
HAL Temp: 250°C
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ThermoVisualizer
Metals
Steel
0.75
Alloy (8% nickel,
0.60
18% chromium)
Galvanised
Oxidised
0.20
Heavily oxidised
0.25
Freshly rolled
Rough, flat surface
0.90
Rusty, red
Sheet, nickel plated
0.40
Sheet, rolled
Stainless steel
0.90
Zinc
Oxidised
0.80
0.50
0.10
0.95
Paper
All colours
0.95
Plastic
0.88
Translucent
0.95
PE, P, PVC
Quartz glass
0.98
Rubber
0.98
Hard
Soft, grey
0.97
Sand
0.98
Screed
0.90
Snow
0.35
Soil
0.95
Tar
0.98
Tar paper
Transformer paint
0.94
0.93
Wallpaper, light-coloured
Water
0.93
Wood
0.97
Untreated
0.92
Beech, planed
0.90
High Alarm
Settings
HAL Temp: 50°C
HAL Temp: 100°C
HAL Temp: 150°C
HAL Temp: 200°C
HAL Temp: 250°C
Set HAL Temp
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T=250°C
0.35
0.28
0.80
0.88
0.24
0.96
0.69
0.11
0.56
0.45
0.10
0.96
0.95
0.94
0.93
0.94
0.89
0.95
0.93
0.80
0.94
0.82
0.92
0.94
0.89
0.93
0.88
0.94
Increase value
Decrease value
19
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