B - 23
Operating manual – Infrared camera
Material Temperature
(°C)
Emissivity
approximation
Non-metal materials
Brick 1100 0,75
Fire-Brick 1100 0,75
Graphite (lamp lack) 96 ~ 225 0,95
Porcelain enamel
(white)
18 0,90
Asphaltum 0 ~ 200 0,85
Glass (surface) 23 0,94
Calcimine 20 0,90
Oak 20 0,90
Carbon piece 0,85
Isolation piece 0,91 ~ 0,94
Sheet metal 0,88 ~ 0,90
Glass pipe 0,90
Porcelain enamel
products
0,90
Porcelain enamel
designs
0,83 ~ 0,95
Solid materials 0,80 ~ 0,93
Ceramics (vase type) 0,90
Film 0,90 ~ 0,93
Heat-resistance glass 200 ~ 540 0,85 ~ 0,95
Material Temperature
(°C)
Emissivity
approximation
Non-metal materials
Mica 0,94 ~ 0,95
Flume mica 0,90 ~ 0,93
Glass 0,91 ~ 0,92
Semiconductor 0,80 ~ 0,90
Transistor
(plastics sealed)
0,30 ~ 0,40
Transistor
(metal) Diode
0,89 ~ 0,90
Pulse transmission 0,91 ~ 0,92
Level chalkiness Layer 0,88 ~ 0,93
Top loop 0,91 ~ 0,92
Electric materials
Epoxy glass plate 0,86
Epoxy hydroxyben-
zene plate
0,80
Gilded sheet copper 0,30
Solder-coated
copper
0,35
Tin-coated lead wire 0,28
Brass wires 0,87 ~ 0,88
Block talcum
terminal
0,87
11. EMISSIVITY TABLE