- 1
- Window DRW236519 (behind top cover) (replaceable)
- 2
- Window blower CLB331M (12 VDC, behind side cover) (replaceable)
- 3
- Measurement unit
- 4
- Side cover (removed in the figure on the right side)
- 5
- Top cover (removed in the figure on the right side)
For more information and instructions on opening the CL31M enclosure and replacing external parts, see Vaisala Ceilometer CL31M User's Guide.