8. Setup Menu Temperature Unit (°C / °F)
Press the
MENU
button to enter the setup menu. Use the
UP / DOWN
navigation buttons to highlight
UNIT
.
The current temperature unit is displayed. Press the
Enter
button and press the
UP / DOWN
navigation buttons to
select °C or °F. Press the
Enter
button; the selection is now stored and displayed. Press the
MENU
button again to exit
the setup menu.
Typical Emissivity Values
Substance
Emissivity
Substance
Emissivity
Asphalt
0.90 - 0.98
Aluminium Foil
0.04
Concrete
0.94
Aluminium (oxidized)
0.01 - 0.40
Cement
0.96
Brass (oxidized)
0.50 - 0.65
Sand
0.90
Chromium oxides
0.81
Earth
0.92 - 0.96
Copper oxides
0.78
Water
0.92 - 0.96
Copper (oxidized)
0.20 - 0.88
Ice
0.96 - 0.98
Steel (oxidized)
0.79 - 0.80
Snow
0.83
Zinc (oxidized)
0.10 - 0.11
Glass
0.90 - 0.95
Iron (oxidized)
0.50 - 0.90
Ceramic
0.90 - 0.94
Iron (rust)
0.65 - 0.96
Marble
0.94
Wood
0.80 - 0.90
Plaster
0.80 - 0.90
Graphite
0.70 - 0.80
Plasterboard
0.91
PVC
0.91 - 0.93
Mortar
0.89 - 0.91
Coal
0.80
Brick
0.93 - 0.96
Cardboard
0.81
Rubber (black)
0.94
Cloth (black)
0.98
Plastic
0.85 - 0.95
Human Skin
0.97 - 0.99
Textiles
0.90
Charcoal (powder)
0.96
Paper
0.70 - 0.94
Electrical Terminal Blocks
0.60
Setup Menu Temperature Unit (°C / °F)
www.megger.com
11