1. Examination of the delivered device on transport damages
2. Incoming inspection
3. Sensor disassembly and inspection of single components
4. Intensive cleaning of cuvette or aerosol guide tube and of the
sensor body
5. Exchange of o-ring seals
6. Exchange of object lenses (standard version); exchange of
cuvette glass windows (only HP, P und H Versions)
7. Refresh sensor stickers
8. Sensor assembly and realignment of optics
9. Function control of sensor incl. air leak test
10. Issue of calibration certificate (If the welas® aerosol sensor was
delivered for maintenance without electrical control unit welas®
digital or Promo®, a Palas® control unit will be used for
calibration)
Small repairs are included