Data Quality Report for Order ID: 187140
User ID: schenkelsm1    Date completed: 2017-08-09
All DQRs
DQR ID Subject Affected Data Streams Data Quality Metric
D161116.5 ASI/CCN/M1 - Instrument troubleshooting asiaosccn2colaM1.b1 Incorrect
D161024.2 ASI/CPC/M1 - Collection asiaoscpcuM1.b1 Note
D160907.1 ASI/CPC/M1 - Collapsed internal tube asiaoscpcuM1.b1 Incorrect
 
DQR ID: D161116.5    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2016-09-16 15:00:00 2016-11-16 17:00:00 Incorrect
Subject: ASI/CCN/M1 - Instrument troubleshooting
Affected Datastreams: asiaosccn2colaM1.b1
Description Troubleshooting instrument flow issues. No valid data.
Measurements
  • T_set_TEC3 (Temperature set point at bottom of column)
  • laser_current (OPC laser current)
  • first_stage_monitor_voltage (First stage monitor voltage)
  • proportional_valve_voltage (CCN Proportional valve voltage)
  • supersaturation_calculated (Sample supersaturation calculated via Lance/Rose method)
  • dT_OPC (T_OPC - T_read_TEC3 temperature difference)
  • eta_target (Eta factor used in calculation of supersaturation_calculated_estimated_equilibrium_target)
  • T_inlet (Temperature read of sample air at entrance to instrument)
  • supersaturation_calculated_target (Target supersaturation calculated via Lance/Rose method, computed from eta_target)
  • seconds_after_transition (Seconds since last supersaturation set point transition)
  • T_OPC (Temperature read of the optical particle counter)
  • T_set_TEC1 (Temperature set point at top of column)
  • T_set_TEC2 (Temperature set point at middle of column)
  • temperature_std (Standard deviation of (T_read_TEC3 - T_read_TEC1))
  • N_CCN_dN (Droplet count by bin size)
  • T_read_TEC3 (Temperature read at bottom of column)
  • N_CCN (Number concentration of CCN)
  • droplet_size_bounds (Droplet bin bounds)
  • droplet_size (Size bins for CCN droplet count)
  • T_read_TEC1 (Temperature read at top of column)
  • eta (Eta factor used in calculation of supersaturation_calculated)
  • laser_current (Laser current)
  • Q_sample (Volumetric flow rate of sample air)
  • supersaturation_set_point (Sample supersaturation set point value reported by instrument)
  • dT_target_estimated (Estimated target thermal gradient under current operating conditions)
  • T_set_gradient (Temperature difference between T_set_TEC3 and T_set_TEC1)
  • eta_lookup_table (Lookup table for eta computation)
  • N_CCN_bin_number (Bin number of lowest channel of OPC include in summation of N_CCN)
  • overflow (Number of particles that are larger than 10um)
  • T_read_gradient (Temperature difference between T_read_TEC3 and T_read_TEC1)
  • T_nafion (Nafion temperature)
  • P_sample (Sample pressure)
  • Q_sheath (Volumetric flow rate of sheath air)
  • T_sample (Temperature read of sample air entering the column)
  • concentration (Particle concentration)
  • T_read_TEC2 (Temperature read at middle of column)
  • reported_temperature_gradient (Reported temperature difference between T_set_TEC3 and T_set_TEC1)
  • temp_unstable (Logical value, indicating whether the instrument has reached thermal gradient stabilization and is within 0.4 degrees C of the set point)
 
DQR ID: D161024.2    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2016-09-06 10:30:00 2016-09-06 18:15:00 Note
Subject: ASI/CPC/M1 - Collection
Affected Datastreams: asiaoscpcuM1.b1
Description The CPC associated with the SMPS was sampling in place of the CPC associated with this CPCF measurement. The CPC's are the same model number
Measurements
  • orifice_pressure (Orifice pressure)
  • dilution_flow_reading (Flow read)
  • laser_current (Laser current)
  • liquid_level (Liquid level)
  • dilution_valve_position (Dilution flow valve position)
  • optics_temp (Optics temperature)
  • saturation_temp (Saturation temperature)
  • laser_current (OPC laser current)
  • nozzle_pressure (Nozzle pressure)
  • concentration (Particle concentration)
  • condensation_temp (Condensation temperature)
  • aerosol_flow (Aerosol flow rate)
  • dilution_flow_setpoint (Flow setpoint)
  • ambient_pressure (Ambient pressure)
  • cabinet_temp (Cabinet temperature)
  • fraction_full (Liquid fraction available)
 
DQR ID: D160907.1    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2016-09-01 13:45:00 2016-09-01 14:22:59 Incorrect
Subject: ASI/CPC/M1 - Collapsed internal tube
Affected Datastreams: asiaoscpcuM1.b1
Description During this time, operator and mentor were troubleshooting a collapsed internal tube on the 3776 CPC.
Measurements
  • concentration (Particle concentration)