DQRID : D160602.1
Start DateStart TimeEnd DateEnd Time Data Quality Metric
04/27/2016133805/17/20161222Suspect
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Subject:
ASI/TRACEGAS/M1 - Faulty NOy mass flow controller
DataStreams:asiaosnoxM1.00, asiaosnoxM1.a1
Description:
NOy flow started dropping from the the expected 1.0 L/min at 08:27 UTC on 05/12/2016. It 
continued to fall gradually until on 05/12/2016 at 15:30 UTC it was down to .01 L/min. NOy 
MFC was replaced. As of 05/17/2016 12:22 UTC the instrument is back up and running with 
the correct flow.
Suggestions: 
Use data with caution
Measurements:asiaosnoxM1.a1:
  • nox
  • noy
  • no2
  • noy_flow
  • no
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asiaosnoxM1.00:
  • Raw data stream - documentation not supported
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