STEINEL HL Scan Manual De Instrucciones página 16

Setting emissivity
HL-Scan's emissivity can be selected to obtain
accurate measurement readings for different
materials and surfaces (see table). Emissivity is
set to 0.90 on leaving the factory. This is the
value most organic materials have.
Emissivity table
Surface
Car films
Wood
Rubber
Oil-based paints
Leather
Lacquers
Paper, card
Textiles
Plastic (PVC, PE, PP)
The emissivities shown in the emissivity table are approximations.
Surface quality, geometry or other parameters may influence the emissivity of the object being
measured.
Alarm function
The scanner comes with an alarm function that
is activated when the temperature measured
exceeds or falls below the temperature select-
ed. The alarm is given in acoustic form by an
audio signal and in visual form by blue and red
back-lighting. The alarm is triggered when the
temperature measured exceeds or falls below
the temperature that is set.
Alarm function table
Alarm tolerance levels
Red LED & audio signal
Red LED
Green LED
Blue LED
Blue LED & audio signal
Emissivity
0.90 – 0.95
0.80 – 0.90
0.85 – 0.95
0.95
0.75 – 0.85
0.80 – 0.95
0.75 – 0.95
0.90
0.85 – 0.95
When back-lighting is green, the temperature
measured by HL-Scan matches the alarm toler-
ance level previously selected. The acoustic
warning signal can be deactivated. To deacti-
vate the audio signal, go to "Settings menu".
2.5%
> 7.5%
2.5% to 7.5%
-2.5% to 2.5%
-7.5% to -2.5%
< -7.5%
- 16 -
Variations
5%
> 15%
5% to 15%
-5% to 5%
-15% to -5%
< -15%
10%
> 30%
10% to 30%
-10% to 10%
-30% to -10%
< -30%