Beam Path - Hach Lange DR 3900 User Manual

Installation
3.7

Beam path

Figure 7 Beam path
1 Halogen lamp
2 Entrance slit
3 Grating
4 Grating angle indicator
5 Exit slit
6 Lens
7 Filter wheel
22
Figure 7 shows the beam path of the DR 3900.
8 Splitter mirror
9 Reference element
10 Cell compartment (2) for rectangular cells
11 Lens
12 Reading element
13 Cell compartment (1) for round cells