DQRID : D151112.3
Start DateStart TimeEnd DateEnd Time
06/12/2014054406/22/20140612
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Subject:
TMP/AETH/NEPHELOMETER/PASS/PSAP/S1 - Impactor state occasionally incorrect
DataStreams:tmpaospsap3wS1.b1, tmpaosnephdryS1.b1, tmpaosnephwetS1.b1
Description:
The computer controlling the impactor state was rebooting every 15 minutes causing 
periodic gaps in the data and interrupting the normal sequence of states.
Suggestions: 
null
Measurements:tmpaosnephdryS1.b1:
  • Pressure inside reference nephelometer(P_Neph_Dry)
  • Relative humidity, reference nephelometer(RH_Neph_Dry)
  • Temperature, reference nephelometer inlet(T_Neph_Inlet_Dry)
  • Aerosol total light scattering coefficient, nominal red wavelength at dry or
    reference RH(Bs_R_Dry_Neph3W_1)
  • Aerosol total light scattering coefficient, nominal blue wavelength at dry or
    reference RH(Bs_B_Dry_Neph3W_1)
  • Aerosol total light scattering coefficient, nominal green wavelength at dry or
    reference RH(Bs_G_Dry_Neph3W_1)
  • Aerosol back-hemispheric light scattering coefficient, nominal green wavelength
    at dry or reference RH(Bbs_G_Dry_Neph3W_1)
  • Aerosol back-hemispheric light scattering coefficient, nominal red wavelength at
    dry or reference RH(Bbs_R_Dry_Neph3W_1)
  • Sample temperature inside reference nephelometer(T_Neph_Dry)
  • Aerosol back-hemispheric light scattering coefficient, nominal blue wavelength
    at dry or reference RH(Bbs_B_Dry_Neph3W_1)
  • Impactor setting in terms of aerodynamic diameter cut off(impactor_setting)
more
tmpaosnephwetS1.b1:
  • Impactor setting in terms of aerodynamic diameter cut off(impactor_setting)
  • Pressure inside humidified nephelometer(P_Neph_Wet)
  • Aerosol back-hemispheric light scattering coefficient, nominal blue wavelength
    at ramped RH(Bbs_B_Wet_Neph3W_2)
  • Relative humidity, Humidograph nephelometer(RH_Neph_Wet)
  • Temperature, reference nephelometer inlet(T_Neph_Inlet_Wet)
  • Aerosol total light scattering coefficient, nominal green wavelength at ramped
    RH(Bs_G_Wet_Neph3W_2)
  • Aerosol back-hemispheric light scattering coefficient, nominal red wavelength at
    ramped RH(Bbs_R_Wet_Neph3W_2)
  • Sample temperature inside humidified nephelometer(T_Neph_Wet)
  • Aerosol total light scattering coefficient, nominal blue wavelength at ramped RH(Bs_B_Wet_Neph3W_2)
  • Aerosol total light scattering coefficient, nominal red wavelength at ramped RH(Bs_R_Wet_Neph3W_2)
  • Aerosol back-emispheric light scattering coefficient, nominal green wavelength
    at ramped RH(Bbs_G_Wet_Neph3W_2)
more
tmpaospsap3wS1.b1:
  • Aerosol light absorption coefficient, nominal green wavelength at dry or
    reference RH(Ba_G_PSAP3W)
  • Mass flow(mass_flow)
  • AOS Ba_R_CLAP3W transmittance, red channel(transmittance_R)
  • Aerosol light absorption coefficient, nominal blue wavelength at dry or
    reference RH(Ba_B_PSAP3W)
  • Dilution flow rate(dilution_flow)
  • Impactor setting in terms of aerodynamic diameter cut off(impactor_setting)
  • Aerosol light absorption coefficient, nominal red wavelength at dry or reference
    RH(Ba_R_PSAP3W)
  • Diffusion flow valve position(dilution_flow_valve_position)
  • AOS PSAP3W transmittance, green channel(transmittance_G)
  • AOS Ba_B_CLAP3W transmittance, blue channel(transmittance_B)
  • Flow setpoint(dilution_flow_setpoint)
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