Data Trawler - Event Details

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Event details

Voyage: IN2020_V08       [details]
Subject: Blocked Nozzle
When: 2020-12-21 11:05:23 UTC

- entered into Elog/Everlog as 2020-12-21 11:05:23
Log: Atmospherics_in2020_v08
Equipment: CPC 3750

Condensation Particle Counter (TSI 3750) [view]
Position: Latitude: -51.60067 Longitude: 138.493

- entered into Elog as 51 36.04 S, 138 29.58 E
Action: Fault

CPC3750 is out of action due to what appears to be a blocked nozzle.

Inlet pressure to the MFC has dropped to 750. A gradual decline is evident over 3 months, but most notably in the last month. Vacuum appears to have become sufficiently weak inside CPC to prevent butanol from being drawn in.

I will inspect the system when possible. I have swapped over to the CPC3772 in the meantime.

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