DQRID : D160707.4
Start DateStart TimeEnd DateEnd Time
07/11/2016021507/18/20161500
06/30/2016211007/01/20162359
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Subject:
SGP/CPC/C1 - Low CPC signal
DataStreams:sgpaoscpcC1.b1, sgpaoscpcC1.a1
Description:
The CPC signal was low as the result of a weak laser. As TSI no longer services this 
instrument no replacement is available.
Suggestions: 
Do not use data
Measurements:sgpaoscpcC1.b1:
  • Nephelometer-specific flags(f2_flags)
  • Dilution correction factor(dilution_correction_factor)
  • Aerosol concentration averaged over times to match N_CCN(concentration)
  • CPC flow(cpc_flow)
more
sgpaoscpcC1.a1:
  • Aerosol concentration averaged over times to match N_CCN(concentration)
  • OPC laser current(laser_current)
  • Condensation temperature(condensation_temp)
  • Ambient Temperature(ambient_temp)
  • Nozzle pressure(nozzle_pressure)
  • Optics temperature(optics_temp)
  • Cabinet temperature(cabinet_temp)
  • Orifice pressure(orifice_pressure)
  • Nephelometer-specific flags(f2_flags)
  • Saturation temperature(saturation_temp)
  • CPC flow(cpc_flow)
more

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