VOLTCRAFT IR 1000-30D Notice D'emploi page 32

Infrared temperature measuring range IR 1200-50D USB
Temperature measuring range:
- 50 to 20 °C
20 to 500 °C
500 to 1,000 °C
1000 to 1,200 °C
Infrared temperature measuring range IR 1600-50D USB
Temperature measuring range:
- 50 to 20 °C
20 to 500 °C
500 to 1,000 °C
1000 to 1,600 °C
Emissivity of different surfaces
The emissivity values stated in the table are approximations. Different parameters such as
surface geometry or quality can influence the emissivity of an object.
Surface
asphalt
concrete
ice
iron oxide
soil, humus
gypsum
glass/ceramic
rubber (black)
paints
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Accuracy
± 4 °C
± 1.5 % of the measured ± 0.5 % of the measured value or ± 0.5 °C
value ± 1.5 °C
± 2 %
± 2.5 %
Accuracy
± 4 °C
± 1.5 % of the measured ± 0.5 % of the measured value or ± 0.5 °C
value ± 1.5 °C
± 2 %
± 2.5 %
Emissivity
0,90 – 0,98
0,94
0,96 – 0.98
0,78 – 0,82
0.92 – 0,96
0,80 – 0,90
0,90 – 0,95
0,94
0,80 – 0,95
Repeatability
± 1.5 °C
± 0.5 % of the measured value or ± 0.5 °C
± 1.0 % of the measured value
Repeatability
± 1.5 °C
± 0.5 % of the measured value or ± 0.5 °C
± 1.0 % of the measured value
Surface
paints (matte)
human skin
mortar
paper
plastic
sand
textiles
water
bricks
Emissivity
0,97
0,98
0,89 – 0,91
0,70 – 0,94
0,85 – 0,95
0,90
0,90
0,92 – 0,96
0,93 – 0,96