Hach 1950Plus Instrument Manual page 19

Figure 3 Electronics Enclosure
1. Infrared (IR) Bench
2. 8001 I/O Termination Printed Circuit Board Assembly
3. Power Supply
UVTOCIntroduction.fm
4. 8000 Display/Controller Printed Circuit Board Assembly
5. Surge Suppressor (ac power connections)
Section 1
Page 19
Major Components