Figure 4, Measurement inside the incubator – Vaisala GMP231 User Manual
Page 18
Advertising
User's Guide _______________________________________________________________________
16 ___________________________________________________________________ M211501EN-C
1403-161
Figure 4
CO
2
Measurement Inside the Incubator
1 = Chamber wall.
2 = Chamber interior.
3 = Light source.
4 = Band pass filter.
5 = Ambient air (400 ... 1000 ppm CO
2
).
6 = Light absorbed by CO
2
in the incubator gas.
7 = Thermopile detector.
8 = Fabry-Perot interferometer.
9 = Sapphire window. Separates the sensor’s active components
from the measured environment.
10 = Gold-plated mirror.
1
2
3
4
5
6
7
8
9
10
Advertising