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LaserLiner ThermoSpot Plus Bedienungsanleitung Seite 8

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Setting the emission coefficient
5
A built-in sensor head detects the material/surface-specific infrared rays emitted by every object. The level of
these emissions is determined by the material's emission coefficient (0.01 to 1.00). After switching on for the
first time, the device is preset to an emissivity coefficient of 0.95, which is suitable for most organic materials
as well as plastics, ceramics, wood, rubber and stone. For materials with different emissivity coefficients,
please refer to the table under point 6.
Unknown emission coefficient:
Apply masking tape or black matt paint to the surface of the area whose temperature you wish to measure.
Wait until the tape/paint has heated up. The temperature of the surface can then be measured with an
emission coefficient of 0.95.
The emissivity coefficient last selected is set after the device is switched on. Check the emissivity
!
coefficient setting before each measurement.
Table of emission coefficients
6
Alloy A3003
Oxidised
Roughened
Aluminium
Oxidised
Polished
Brass
Polished
Oxidised
Copper
Oxidised
Elect. terminal strips
Haynes
Metal alloy
Inconel
Oxidised
Sandblasted
Electropolished
08
GB
...
E 0.01...1.00
Iron
Oxidised
0.3
0.1 - 0.3
With rust
With red rust
0.2 - 0.4
Iron, cast
Oxidised
0.04 - 0.06
Non-oxidised
Molten mass
0.3
0.5
Iron, forged
Matt
0.4 - 0.8
Lead
0.6
Rough
Oxidised
0.3 - 0.8
Molybdenum
Oxidised
0.7 - 0.95
Nickel
Oxidised
0.3 - 0.6
0.15
Button pressed briefly: Value +0.01
Keep button pressed:
Value runs through 0.01 ... 1.00
Metals
Platinum
0.5 - 0.9
Black
0.5 - 0.7
Steel
0.61 - 0.85
Cold rolled
Ground plate
0.6 - 0.95
Polished plate
0.2
Alloy (8% nickel,
0.2 - 0.3
18% chromium)
Galvanised
Oxidised
0.9
Heavily oxidised
Freshly rolled
0.4
Rough, flat surface
0.2 - 0.6
Rusty, red
Sheet, nickel plated
Sheet, rolled
0.2 - 0.6
Zinc
Oxidised
0.2 - 0.6
0.9
0.7 - 0.9
0.4 - 0.6
0.1
0.35
0.28
0.80
0.88
0.24
0.95 - 0.98
0.69
0.11
0.56
0.1

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