DQRID : D140610.3
Start DateStart TimeEnd DateEnd Time
02/03/2014151102/04/20141925
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Subject:
MAO/TRACEGAS/S1  - Communication issue
DataStreams:maoaosnoxS1.a1
Description:
Inlet box lost communications. Data flat-lined and incorrect.
Suggestions: 
Do not use data
Measurements:maoaosnoxS1.a1:
  • One minute PMT temperature average from the NOx TEI(nox_pmt_temp)
  • One minute average background level from NOy TEI(noy_pre)
  • One minute chassis temperature average from NOy TEI(noy_internal_temp)
  • 10-m converter box temperature(inlet_temp)
  • One minute sample flow average from NOx TEI (this varies as the PreR valve
    switches, so questionable)(nox_flow)
  • One minute reaction temperature average from NOx TEI(nox_react_temp)
  • One minute average from NOx TEI ozonator(nox_ozonator)
  • One minute average of inlet MFC for the NOy channel(inlet_noy_mfc)
  • One minute average reaction pressure from NOx TEI(nox_pressure)
  • NOx instrument internal Mo conv temperature (sensor disconnected)(nox_conv_temp)
  • One minute average background level from NOx TEI(nox_pre)
  • One minute reaction temperature average from NOy TEI(noy_react_temp)
  • One minute average of NO2 values calculated with nominal sensitivity correction
    and nominal BLC efficiency(no2)
  • One minute chassis temperature average from NOx TEI(nox_internal_temp)
  • No description given(inlet_conv_temp)
  • One minute average of inlet MFC for the NOx channel(inlet_nox_mfc)
  • One minute average of NOy values using nominal sensitivity correction and
    nominal Mo converter efficiency(noy)
  • One minute average of NOx values(nox)
  • One minute PMT voltage average from NOx TEI(nox_pmt_voltage)
  • One minute average reaction pressure from NOy TEI(noy_pressure)
  • One minute sample flow average from NOy TEI (this varies as the PreR valve
    switches, so questionable)(noy_flow)
  • NOy instrument internal Mo conv temperature (sensor disconnected)(noy_conv_temp)
  • One minute PMT voltage average from NOy TEI(noy_pmt_voltage)
  • One minute PMT temperature average from NOy TEI(noy_pmt_temp)
  • One minute average of NO values calculated with nominal sensitivity correction(no)
  • One minute flow average from NOy TEI ozonator(noy_ozonator)
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