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.
  • 7/6/18 yes all are 110VAC
• 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
• Tower Top CNR4 longwave thermistor wasn't fixed on last visit after all...

'' CNR4 Tower Top
'' CNR4 Left Yellow cable (Red-White Tape)
'' CNR4 Right Yellow cable (Red-Black Tape)
'' Thermistor Hi (White Wire) -- CR1000 SE8
'' Thermistor Lo (Black Wire) -- CR1000 AG
'' Precision Resistor -- CR1000 SE8 to CR1000 VX1
'' Shield -- CR1000 Ground

• replace Loggernet computer
• Submit PRs for Summer 2018 Instrument Recalibrations
  • Vaisala HMP155s
  • MetOne 010C
  • Kipp & Zonen CNR4
• Late Fall recalibrations: