SS To Do Next Visit

2018

• Replace tower aspirator fans:
  • https://catalog.orientalmotor.com/viewitems/mb-series-ac-centrifugal-fans-blowers/mb-series-50mm-centrifugal-fans-blowers
  • I need to confirm that this unit is the correct one. The one I took a picture of operates at 110VAC but I think some of the others operate at a lower voltage.
• Deploy sensor refresh instruments from March.
• Buy a new HMP155 for forest floor site
• More PAR sensors and hardware for in-situ
• Buy another SI-111 SDI12 model
• Attend LI-COR training?
• Polish Battery Backup System
• replace Loggernet computer
• The tower wifi antenna needs replacing. Do this next visit. The coax is weathered and fraying.
• Submit PRs for Summer 2018 Instrument Recalibrations
  • Vaisala HMP155s
  • MetOne 010C
  • Kipp & Zonen CNR4
• Late Fall recalibrations:
  • LI7200RS