Data Quality Report for Order ID: 187737
User ID: lloverasd1    Date completed: 2017-09-14
All DQRs
DQR ID Subject Affected Data Streams Data Quality Metric
D160822.4 ASI/CCN/M1 - Incorrect flows asiaosccn200M1.a1 Incorrect
D161116.5 ASI/CCN/M1 - Instrument troubleshooting asiaosccn200M1.a1 Incorrect
D161116.1 ASI/CCN/M1 - Concentration mismatch asiaosccn200M1.a1 Suspect
D160616.5 ASI/CCN/M1 - Reprocessed and Corrected: Duplicate timestamps asiaosccn200M1.a1 Note
D170203.7 ASI/AOS/M1 - Mentor visit asiaosccn200M1.a1 Suspect
D160621.4 ASI/AOS/M1 - Manifold blower not working asiaossmpstrhM1.a1 Incorrect
D160617.14 ASI/AOS/CCN/HTDMA/NEPHELOMETER/UHSAS/M1 - Site installation asiaosccn200M1.a1 Incorrect
D170912.1 ASI/CCN/M1 - Instrument offline asiaosccn2colaM1.b1 Missing
 
DQR ID: D160822.4    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2016-08-20 02:00:00 2016-08-20 15:30:00 Incorrect
Subject: ASI/CCN/M1 - Incorrect flows
Affected Datastreams: asiaosccn200M1.a1
Description Instrument flows incorrect due to water in the flow lines.
Measurements
  • CCN_Q_sample_2 (AOS CCN volumetric flow rate of sample air, second column)
  • CCN_overflow_1 (Number of particles that are larger than 10um, first column)
  • CCN_temp_unstable_1 (AOS CCN logical value, indicating whether the instrument has reached thermal gradient stabilization and is within 0.4 degrees C of the set point, first column)
  • CCN_alarm_code_1 (CCN alarm code expressed as a summation of powers of 2. 0 indicates no detected problem, first column)
  • CCN_proportional_valve_voltage_1 (CCN Proportional valve voltage, first column)
  • N_CCN_dN_1 (AOS CCN droplet count by bin size, first column)
  • CCN_first_stage_monitor_voltage_2 (First stage monitor voltage, second column)
  • CCN_laser_current_1 (AOS CCN OPC laser current, first column)
  • CCN_baseline_monitor_1 (AOS CCN voltage used by DMT for OPC diagnostic purposes, first column)
  • CCN_supersaturation_set_point_2 (AOS CCN sample supersaturation set point value reported by instrument, second column)
  • CCN_T_read_TEC3_2 (AOS CCN (read) temperature at bottom of column, second column)
  • CCN_OPC_set_2 (AOS CCN set point temperature for the optical particle counter (OPC), second column)
  • CCN_T_inlet_1 (AOS CCN temperature of sample air at entrance to instrument, first_column)
  • size_bin_bounds (Droplet bin bounds)
  • CCN_baseline_monitor_2 (AOS CCN voltage used by DMT for OPC diagnostic purposes, second column)
  • CCN_T_OPC_1 (AOS CCN temperature of the optical particle counter, first column)
  • CCN_first_stage_monitor_voltage_1 (First stage monitor voltage, first column)
  • CCN_T_read_TEC3_1 (AOS CCN (read) temperature at bottom of column, first column)
  • CCN_T_read_TEC2_1 (AOS CCN observed temperature at middle of column, first column)
  • CCN_T_read_TEC1_1 (AOS CCN observed temperature at top of column, first column)
  • CCN_laser_current_2 (AOS CCN OPC laser current, second column)
  • CCN_T_read_TEC2_2 (AOS CCN observed temperature at middle of column, second column)
  • CCN_Q_sheath_1 (AOS CCN volumetric flow rate of sheath air, first column)
  • CCN_T_set_TEC2_1 (AOS CCN set point for temperature at middle of column, first column)
  • CCN_T_nafion_1 (AOS CCN Nafion temperature, first column)
  • CCN_T_nafion_set_2 (AOS CCN set temperature for the Nafion humidifier, second column)
  • CCN_temperature_gradient_1 (Temperature difference between CCN_T_set_TEC3_1 and CCN_T_set_TEC1_1, first column)
  • CCN_T_inlet_set_1 (AOS CCN set point temperature for the inlet manifold, first column)
  • N_CCN_1 (AOS number concentration of CCN, first column)
  • N_CCN_bin_number_2 (AOS bin number of lowest channel of OPC include in summation of N_CCN, second column)
  • CCN_T_set_TEC1_1 (AOS CCN set point for temperature at top of column, first column)
  • CCN_T_inlet_2 (AOS CCN set point temperature for the inlet manifold, second column)
  • size_bin (Size bins for CCN droplet count)
  • CCN_T_set_TEC3_1 (AOS CCN set point for temperature at bottom of column, first column)
  • CCN_P_sample_1 (AOS CCN sample pressure, first column)
  • CCN_temp_unstable_2 (AOS CCN logical value, indicating whether the instrument has reached thermal gradient stabilization and is within 0.4 degrees C of the set point, second column)
  • CCN_T_set_TEC2_2 (AOS CCN set point for temperature at middle of column, second column)
  • CCN_T_read_TEC1_2 (AOS CCN observed temperature at top of column, second column)
  • CCN_temperature_gradient_2 (Temperature difference between CCN_T_set_TEC3_2 and CCN_T_set_TEC1_2, second column)
  • CCN_T_sample_2 (AOS CCN temperature of sample air entering the column, second column)
  • CCN_T_sample_1 (AOS CCN temperature of sample air entering the column, first column)
  • N_CCN_dN_2 (AOS CCN droplet count by bin size, second column)
  • CCN_proportional_valve_voltage_2 (CCN Proportional valve voltage, second column)
  • CCN_T_set_TEC3_2 (AOS CCN set point for temperature at bottom of column, second column)
  • CCN_P_sample_2 (AOS CCN sample pressure, second column)
  • CCN_T_nafion_2 (AOS CCN Nafion temperature, second column)
  • CCN_Q_sample_1 (AOS CCN volumetric flow rate of sample air, first column)
  • CCN_T_nafion_set_1 (AOS CCN set temperature for the Nafion humidifier, first column)
  • CCN_Q_sheath_2 (AOS CCN volumetric flow rate of sheath air, second column)
  • N_CCN_2 (AOS number concentration of CCN, second column)
  • CCN_alarm_code_2 (CCN alarm code expressed as a summation of powers of 2. 0 indicates no detected problem, second column)
  • CCN_T_OPC_2 (AOS CCN temperature of the optical particle counter, second column)
  • CCN_OPC_set_1 (AOS CCN set point temperature for the optical particle counter (OPC), first column)
  • CCN_T_set_TEC1_2 (AOS CCN set point for temperature at top of column, second column)
  • N_CCN_bin_number_1 (AOS bin number of lowest channel of OPC include in summation of N_CCN, first column)
  • CCN_T_inlet_set_2 (AOS CCN temperature of sample air at entrance to instrument, second column)
  • CCN_supersaturation_set_point_1 (AOS CCN sample supersaturation set point value reported by instrument, first column)
  • CCN_overflow_2 (Number of particles that are larger than 10um, second column)
 
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: asiaosccn200M1.a1
Description Troubleshooting instrument flow issues. No valid data.
Measurements
  • CCN_Q_sample_2 (AOS CCN volumetric flow rate of sample air, second column)
  • CCN_overflow_1 (Number of particles that are larger than 10um, first column)
  • CCN_temp_unstable_1 (AOS CCN logical value, indicating whether the instrument has reached thermal gradient stabilization and is within 0.4 degrees C of the set point, first column)
  • CCN_alarm_code_1 (CCN alarm code expressed as a summation of powers of 2. 0 indicates no detected problem, first column)
  • CCN_proportional_valve_voltage_1 (CCN Proportional valve voltage, first column)
  • N_CCN_dN_1 (AOS CCN droplet count by bin size, first column)
  • CCN_first_stage_monitor_voltage_2 (First stage monitor voltage, second column)
  • CCN_laser_current_1 (AOS CCN OPC laser current, first column)
  • CCN_baseline_monitor_1 (AOS CCN voltage used by DMT for OPC diagnostic purposes, first column)
  • CCN_supersaturation_set_point_2 (AOS CCN sample supersaturation set point value reported by instrument, second column)
  • CCN_T_read_TEC3_2 (AOS CCN (read) temperature at bottom of column, second column)
  • CCN_OPC_set_2 (AOS CCN set point temperature for the optical particle counter (OPC), second column)
  • CCN_T_inlet_1 (AOS CCN temperature of sample air at entrance to instrument, first_column)
  • size_bin_bounds (Droplet bin bounds)
  • CCN_baseline_monitor_2 (AOS CCN voltage used by DMT for OPC diagnostic purposes, second column)
  • CCN_T_OPC_1 (AOS CCN temperature of the optical particle counter, first column)
  • CCN_first_stage_monitor_voltage_1 (First stage monitor voltage, first column)
  • CCN_T_read_TEC3_1 (AOS CCN (read) temperature at bottom of column, first column)
  • CCN_T_read_TEC2_1 (AOS CCN observed temperature at middle of column, first column)
  • CCN_T_read_TEC1_1 (AOS CCN observed temperature at top of column, first column)
  • CCN_laser_current_2 (AOS CCN OPC laser current, second column)
  • CCN_T_read_TEC2_2 (AOS CCN observed temperature at middle of column, second column)
  • CCN_Q_sheath_1 (AOS CCN volumetric flow rate of sheath air, first column)
  • CCN_T_set_TEC2_1 (AOS CCN set point for temperature at middle of column, first column)
  • CCN_T_nafion_1 (AOS CCN Nafion temperature, first column)
  • CCN_T_nafion_set_2 (AOS CCN set temperature for the Nafion humidifier, second column)
  • CCN_temperature_gradient_1 (Temperature difference between CCN_T_set_TEC3_1 and CCN_T_set_TEC1_1, first column)
  • CCN_T_inlet_set_1 (AOS CCN set point temperature for the inlet manifold, first column)
  • N_CCN_1 (AOS number concentration of CCN, first column)
  • N_CCN_bin_number_2 (AOS bin number of lowest channel of OPC include in summation of N_CCN, second column)
  • CCN_T_set_TEC1_1 (AOS CCN set point for temperature at top of column, first column)
  • CCN_T_inlet_2 (AOS CCN set point temperature for the inlet manifold, second column)
  • size_bin (Size bins for CCN droplet count)
  • CCN_T_set_TEC3_1 (AOS CCN set point for temperature at bottom of column, first column)
  • CCN_P_sample_1 (AOS CCN sample pressure, first column)
  • CCN_temp_unstable_2 (AOS CCN logical value, indicating whether the instrument has reached thermal gradient stabilization and is within 0.4 degrees C of the set point, second column)
  • CCN_T_set_TEC2_2 (AOS CCN set point for temperature at middle of column, second column)
  • CCN_T_read_TEC1_2 (AOS CCN observed temperature at top of column, second column)
  • CCN_temperature_gradient_2 (Temperature difference between CCN_T_set_TEC3_2 and CCN_T_set_TEC1_2, second column)
  • CCN_T_sample_2 (AOS CCN temperature of sample air entering the column, second column)
  • CCN_T_sample_1 (AOS CCN temperature of sample air entering the column, first column)
  • N_CCN_dN_2 (AOS CCN droplet count by bin size, second column)
  • CCN_proportional_valve_voltage_2 (CCN Proportional valve voltage, second column)
  • CCN_T_set_TEC3_2 (AOS CCN set point for temperature at bottom of column, second column)
  • CCN_P_sample_2 (AOS CCN sample pressure, second column)
  • CCN_T_nafion_2 (AOS CCN Nafion temperature, second column)
  • CCN_Q_sample_1 (AOS CCN volumetric flow rate of sample air, first column)
  • CCN_T_nafion_set_1 (AOS CCN set temperature for the Nafion humidifier, first column)
  • CCN_Q_sheath_2 (AOS CCN volumetric flow rate of sheath air, second column)
  • N_CCN_2 (AOS number concentration of CCN, second column)
  • CCN_alarm_code_2 (CCN alarm code expressed as a summation of powers of 2. 0 indicates no detected problem, second column)
  • CCN_T_OPC_2 (AOS CCN temperature of the optical particle counter, second column)
  • CCN_OPC_set_1 (AOS CCN set point temperature for the optical particle counter (OPC), first column)
  • CCN_T_set_TEC1_2 (AOS CCN set point for temperature at top of column, second column)
  • N_CCN_bin_number_1 (AOS bin number of lowest channel of OPC include in summation of N_CCN, first column)
  • CCN_T_inlet_set_2 (AOS CCN temperature of sample air at entrance to instrument, second column)
  • CCN_supersaturation_set_point_1 (AOS CCN sample supersaturation set point value reported by instrument, first column)
  • CCN_overflow_2 (Number of particles that are larger than 10um, second column)
 
DQR ID: D161116.1    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2016-08-20 15:30:00 2016-09-16 15:00:00 Suspect
Subject: ASI/CCN/M1 - Concentration mismatch
Affected Datastreams: asiaosccn200M1.a1
Description Concentration mismatch between the CCN columns at the same supersaturation set point after water was removed from one of the sheath air lines. Not clear which column was affected.
Measurements
  • CCN_Q_sample_2 (AOS CCN volumetric flow rate of sample air, second column)
  • CCN_overflow_1 (Number of particles that are larger than 10um, first column)
  • CCN_temp_unstable_1 (AOS CCN logical value, indicating whether the instrument has reached thermal gradient stabilization and is within 0.4 degrees C of the set point, first column)
  • CCN_alarm_code_1 (CCN alarm code expressed as a summation of powers of 2. 0 indicates no detected problem, first column)
  • CCN_proportional_valve_voltage_1 (CCN Proportional valve voltage, first column)
  • N_CCN_dN_1 (AOS CCN droplet count by bin size, first column)
  • CCN_first_stage_monitor_voltage_2 (First stage monitor voltage, second column)
  • CCN_laser_current_1 (AOS CCN OPC laser current, first column)
  • CCN_baseline_monitor_1 (AOS CCN voltage used by DMT for OPC diagnostic purposes, first column)
  • CCN_supersaturation_set_point_2 (AOS CCN sample supersaturation set point value reported by instrument, second column)
  • CCN_T_read_TEC3_2 (AOS CCN (read) temperature at bottom of column, second column)
  • CCN_OPC_set_2 (AOS CCN set point temperature for the optical particle counter (OPC), second column)
  • CCN_T_inlet_1 (AOS CCN temperature of sample air at entrance to instrument, first_column)
  • size_bin_bounds (Droplet bin bounds)
  • CCN_first_stage_monitor_voltage_1 (First stage monitor voltage, first column)
  • CCN_T_read_TEC3_1 (AOS CCN (read) temperature at bottom of column, first column)
  • CCN_T_OPC_1 (AOS CCN temperature of the optical particle counter, first column)
  • CCN_baseline_monitor_2 (AOS CCN voltage used by DMT for OPC diagnostic purposes, second column)
  • CCN_T_read_TEC2_1 (AOS CCN observed temperature at middle of column, first column)
  • CCN_T_read_TEC1_1 (AOS CCN observed temperature at top of column, first column)
  • CCN_laser_current_2 (AOS CCN OPC laser current, second column)
  • CCN_T_read_TEC2_2 (AOS CCN observed temperature at middle of column, second column)
  • CCN_Q_sheath_1 (AOS CCN volumetric flow rate of sheath air, first column)
  • CCN_T_set_TEC2_1 (AOS CCN set point for temperature at middle of column, first column)
  • CCN_T_nafion_1 (AOS CCN Nafion temperature, first column)
  • CCN_T_nafion_set_2 (AOS CCN set temperature for the Nafion humidifier, second column)
  • CCN_temperature_gradient_1 (Temperature difference between CCN_T_set_TEC3_1 and CCN_T_set_TEC1_1, first column)
  • CCN_T_inlet_set_1 (AOS CCN set point temperature for the inlet manifold, first column)
  • N_CCN_1 (AOS number concentration of CCN, first column)
  • N_CCN_bin_number_2 (AOS bin number of lowest channel of OPC include in summation of N_CCN, second column)
  • CCN_T_inlet_2 (AOS CCN set point temperature for the inlet manifold, second column)
  • CCN_T_set_TEC1_1 (AOS CCN set point for temperature at top of column, first column)
  • size_bin (Size bins for CCN droplet count)
  • CCN_T_set_TEC3_1 (AOS CCN set point for temperature at bottom of column, first column)
  • CCN_T_set_TEC2_2 (AOS CCN set point for temperature at middle of column, second column)
  • CCN_P_sample_1 (AOS CCN sample pressure, first column)
  • CCN_T_sample_2 (AOS CCN temperature of sample air entering the column, second column)
  • CCN_temp_unstable_2 (AOS CCN logical value, indicating whether the instrument has reached thermal gradient stabilization and is within 0.4 degrees C of the set point, second column)
  • CCN_T_read_TEC1_2 (AOS CCN observed temperature at top of column, second column)
  • CCN_temperature_gradient_2 (Temperature difference between CCN_T_set_TEC3_2 and CCN_T_set_TEC1_2, second column)
  • CCN_T_sample_1 (AOS CCN temperature of sample air entering the column, first column)
  • N_CCN_dN_2 (AOS CCN droplet count by bin size, second column)
  • CCN_proportional_valve_voltage_2 (CCN Proportional valve voltage, second column)
  • CCN_T_set_TEC3_2 (AOS CCN set point for temperature at bottom of column, second column)
  • CCN_P_sample_2 (AOS CCN sample pressure, second column)
  • CCN_T_nafion_2 (AOS CCN Nafion temperature, second column)
  • CCN_Q_sample_1 (AOS CCN volumetric flow rate of sample air, first column)
  • CCN_Q_sheath_2 (AOS CCN volumetric flow rate of sheath air, second column)
  • CCN_T_nafion_set_1 (AOS CCN set temperature for the Nafion humidifier, first column)
  • N_CCN_2 (AOS number concentration of CCN, second column)
  • CCN_alarm_code_2 (CCN alarm code expressed as a summation of powers of 2. 0 indicates no detected problem, second column)
  • CCN_T_OPC_2 (AOS CCN temperature of the optical particle counter, second column)
  • CCN_OPC_set_1 (AOS CCN set point temperature for the optical particle counter (OPC), first column)
  • N_CCN_bin_number_1 (AOS bin number of lowest channel of OPC include in summation of N_CCN, first column)
  • CCN_T_set_TEC1_2 (AOS CCN set point for temperature at top of column, second column)
  • CCN_T_inlet_set_2 (AOS CCN temperature of sample air at entrance to instrument, second column)
  • CCN_supersaturation_set_point_1 (AOS CCN sample supersaturation set point value reported by instrument, first column)
  • CCN_overflow_2 (Number of particles that are larger than 10um, second column)
 
DQR ID: D160616.5    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2016-05-17 19:20:00 2016-05-31 18:47:00 Note
Subject: ASI/CCN/M1 - Reprocessed and Corrected: Duplicate timestamps
Affected Datastreams: asiaosccn200M1.a1
Description DATA REPROCESSED and CORRECTED: Data saved by the instrument had duplicate time stamps due to the instrument not properly handling fractional seconds. The raw data has been corrected and reprocessed. The data quality is not affected. These data were Archived in July 2016. Please retrieve the reprocessed data for use in your analysis. You may find these data using the ARM Discovery tool at the following link: http://www.archive.arm.gov/discovery/#v/results/s/s::aosccn200/fsite::asi/ffac::asi.M1 ORIGINAL DQR CATEGORY: Transparent(Does not affect quality) REPROCESSED and CORRECTED DATA ARCHIVED:2016-07 REPROCESS IDENTIFICATION NUMBER: RID 1476 --------------------------------------------------- --- ORIGINAL DQR DESCRIPTION --- --------------------------------------------------- Data saved by the instrument had duplicate timestamps due to the instrument not properly handling fractional seconds. Data will be reprocessed to correct for this issue. Data quality not affected.
Measurements
  • CCN_Q_sample_2 (AOS CCN volumetric flow rate of sample air, second column)
  • CCN_overflow_1 (Number of particles that are larger than 10um, first column)
  • CCN_temp_unstable_1 (AOS CCN logical value, indicating whether the instrument has reached thermal gradient stabilization and is within 0.4 degrees C of the set point, first column)
  • CCN_alarm_code_1 (CCN alarm code expressed as a summation of powers of 2. 0 indicates no detected problem, first column)
  • CCN_proportional_valve_voltage_1 (CCN Proportional valve voltage, first column)
  • N_CCN_dN_1 (AOS CCN droplet count by bin size, first column)
  • CCN_first_stage_monitor_voltage_2 (First stage monitor voltage, second column)
  • CCN_laser_current_1 (AOS CCN OPC laser current, first column)
  • CCN_baseline_monitor_1 (AOS CCN voltage used by DMT for OPC diagnostic purposes, first column)
  • CCN_supersaturation_set_point_2 (AOS CCN sample supersaturation set point value reported by instrument, second column)
  • CCN_T_read_TEC3_2 (AOS CCN (read) temperature at bottom of column, second column)
  • CCN_OPC_set_2 (AOS CCN set point temperature for the optical particle counter (OPC), second column)
  • CCN_T_inlet_1 (AOS CCN temperature of sample air at entrance to instrument, first_column)
  • CCN_first_stage_monitor_voltage_1 (First stage monitor voltage, first column)
  • CCN_T_read_TEC3_1 (AOS CCN (read) temperature at bottom of column, first column)
  • CCN_baseline_monitor_2 (AOS CCN voltage used by DMT for OPC diagnostic purposes, second column)
  • CCN_T_OPC_1 (AOS CCN temperature of the optical particle counter, first column)
  • CCN_T_read_TEC2_1 (AOS CCN observed temperature at middle of column, first column)
  • CCN_T_read_TEC1_1 (AOS CCN observed temperature at top of column, first column)
  • CCN_laser_current_2 (AOS CCN OPC laser current, second column)
  • CCN_T_read_TEC2_2 (AOS CCN observed temperature at middle of column, second column)
  • CCN_Q_sheath_1 (AOS CCN volumetric flow rate of sheath air, first column)
  • CCN_T_set_TEC2_1 (AOS CCN set point for temperature at middle of column, first column)
  • CCN_T_nafion_1 (AOS CCN Nafion temperature, first column)
  • CCN_T_nafion_set_2 (AOS CCN set temperature for the Nafion humidifier, second column)
  • CCN_temperature_gradient_1 (Temperature difference between CCN_T_set_TEC3_1 and CCN_T_set_TEC1_1, first column)
  • CCN_T_inlet_set_1 (AOS CCN set point temperature for the inlet manifold, first column)
  • N_CCN_1 (AOS number concentration of CCN, first column)
  • N_CCN_bin_number_2 (AOS bin number of lowest channel of OPC include in summation of N_CCN, second column)
  • CCN_T_inlet_2 (AOS CCN set point temperature for the inlet manifold, second column)
  • CCN_T_set_TEC1_1 (AOS CCN set point for temperature at top of column, first column)
  • size_bin (Size bins for CCN droplet count)
  • CCN_T_set_TEC3_1 (AOS CCN set point for temperature at bottom of column, first column)
  • CCN_T_sample_2 (AOS CCN temperature of sample air entering the column, second column)
  • CCN_T_set_TEC2_2 (AOS CCN set point for temperature at middle of column, second column)
  • CCN_temp_unstable_2 (AOS CCN logical value, indicating whether the instrument has reached thermal gradient stabilization and is within 0.4 degrees C of the set point, second column)
  • CCN_T_read_TEC1_2 (AOS CCN observed temperature at top of column, second column)
  • CCN_P_sample_1 (AOS CCN sample pressure, first column)
  • CCN_temperature_gradient_2 (Temperature difference between CCN_T_set_TEC3_2 and CCN_T_set_TEC1_2, second column)
  • CCN_T_sample_1 (AOS CCN temperature of sample air entering the column, first column)
  • N_CCN_dN_2 (AOS CCN droplet count by bin size, second column)
  • CCN_proportional_valve_voltage_2 (CCN Proportional valve voltage, second column)
  • CCN_T_set_TEC3_2 (AOS CCN set point for temperature at bottom of column, second column)
  • CCN_P_sample_2 (AOS CCN sample pressure, second column)
  • CCN_T_nafion_2 (AOS CCN Nafion temperature, second column)
  • CCN_Q_sheath_2 (AOS CCN volumetric flow rate of sheath air, second column)
  • CCN_Q_sample_1 (AOS CCN volumetric flow rate of sample air, first column)
  • CCN_T_nafion_set_1 (AOS CCN set temperature for the Nafion humidifier, first column)
  • N_CCN_2 (AOS number concentration of CCN, second column)
  • CCN_alarm_code_2 (CCN alarm code expressed as a summation of powers of 2. 0 indicates no detected problem, second column)
  • CCN_T_OPC_2 (AOS CCN temperature of the optical particle counter, second column)
  • CCN_OPC_set_1 (AOS CCN set point temperature for the optical particle counter (OPC), first column)
  • N_CCN_bin_number_1 (AOS bin number of lowest channel of OPC include in summation of N_CCN, first column)
  • CCN_T_set_TEC1_2 (AOS CCN set point for temperature at top of column, second column)
  • CCN_T_inlet_set_2 (AOS CCN temperature of sample air at entrance to instrument, second column)
  • CCN_supersaturation_set_point_1 (AOS CCN sample supersaturation set point value reported by instrument, first column)
  • CCN_overflow_2 (Number of particles that are larger than 10um, second column)
 
DQR ID: D170203.7    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2017-01-19 10:00:00 2017-01-27 19:00:00 Suspect
Subject: ASI/AOS/M1 - Mentor visit
Affected Datastreams: asiaosccn200M1.a1
Description Mentors at the site working on different instruments. Data quality occasionally affected.
Measurements
  • CCN_Q_sample_2 (AOS CCN volumetric flow rate of sample air, second column)
  • CCN_overflow_1 (Number of particles that are larger than 10um, first column)
  • CCN_temp_unstable_1 (AOS CCN logical value, indicating whether the instrument has reached thermal gradient stabilization and is within 0.4 degrees C of the set point, first column)
  • CCN_alarm_code_1 (CCN alarm code expressed as a summation of powers of 2. 0 indicates no detected problem, first column)
  • CCN_proportional_valve_voltage_1 (CCN Proportional valve voltage, first column)
  • N_CCN_dN_1 (AOS CCN droplet count by bin size, first column)
  • CCN_first_stage_monitor_voltage_2 (First stage monitor voltage, second column)
  • CCN_laser_current_1 (AOS CCN OPC laser current, first column)
  • CCN_baseline_monitor_1 (AOS CCN voltage used by DMT for OPC diagnostic purposes, first column)
  • CCN_supersaturation_set_point_2 (AOS CCN sample supersaturation set point value reported by instrument, second column)
  • CCN_T_read_TEC3_2 (AOS CCN (read) temperature at bottom of column, second column)
  • CCN_OPC_set_2 (AOS CCN set point temperature for the optical particle counter (OPC), second column)
  • CCN_T_inlet_1 (AOS CCN temperature of sample air at entrance to instrument, first_column)
  • size_bin_bounds (Droplet bin bounds)
  • CCN_baseline_monitor_2 (AOS CCN voltage used by DMT for OPC diagnostic purposes, second column)
  • CCN_T_OPC_1 (AOS CCN temperature of the optical particle counter, first column)
  • CCN_first_stage_monitor_voltage_1 (First stage monitor voltage, first column)
  • CCN_T_read_TEC3_1 (AOS CCN (read) temperature at bottom of column, first column)
  • CCN_T_read_TEC2_1 (AOS CCN observed temperature at middle of column, first column)
  • CCN_T_read_TEC1_1 (AOS CCN observed temperature at top of column, first column)
  • CCN_laser_current_2 (AOS CCN OPC laser current, second column)
  • CCN_T_read_TEC2_2 (AOS CCN observed temperature at middle of column, second column)
  • CCN_Q_sheath_1 (AOS CCN volumetric flow rate of sheath air, first column)
  • CCN_T_set_TEC2_1 (AOS CCN set point for temperature at middle of column, first column)
  • CCN_T_nafion_1 (AOS CCN Nafion temperature, first column)
  • CCN_T_nafion_set_2 (AOS CCN set temperature for the Nafion humidifier, second column)
  • CCN_temperature_gradient_1 (Temperature difference between CCN_T_set_TEC3_1 and CCN_T_set_TEC1_1, first column)
  • CCN_T_inlet_set_1 (AOS CCN set point temperature for the inlet manifold, first column)
  • N_CCN_1 (AOS number concentration of CCN, first column)
  • N_CCN_bin_number_2 (AOS bin number of lowest channel of OPC include in summation of N_CCN, second column)
  • CCN_T_set_TEC1_1 (AOS CCN set point for temperature at top of column, first column)
  • CCN_T_inlet_2 (AOS CCN set point temperature for the inlet manifold, second column)
  • size_bin (Size bins for CCN droplet count)
  • CCN_T_set_TEC3_1 (AOS CCN set point for temperature at bottom of column, first column)
  • CCN_P_sample_1 (AOS CCN sample pressure, first column)
  • CCN_temp_unstable_2 (AOS CCN logical value, indicating whether the instrument has reached thermal gradient stabilization and is within 0.4 degrees C of the set point, second column)
  • CCN_T_sample_2 (AOS CCN temperature of sample air entering the column, second column)
  • CCN_temperature_gradient_2 (Temperature difference between CCN_T_set_TEC3_2 and CCN_T_set_TEC1_2, second column)
  • CCN_T_read_TEC1_2 (AOS CCN observed temperature at top of column, second column)
  • CCN_T_set_TEC2_2 (AOS CCN set point for temperature at middle of column, second column)
  • CCN_T_sample_1 (AOS CCN temperature of sample air entering the column, first column)
  • N_CCN_dN_2 (AOS CCN droplet count by bin size, second column)
  • CCN_proportional_valve_voltage_2 (CCN Proportional valve voltage, second column)
  • CCN_T_set_TEC3_2 (AOS CCN set point for temperature at bottom of column, second column)
  • CCN_P_sample_2 (AOS CCN sample pressure, second column)
  • CCN_T_nafion_2 (AOS CCN Nafion temperature, second column)
  • CCN_Q_sample_1 (AOS CCN volumetric flow rate of sample air, first column)
  • CCN_T_nafion_set_1 (AOS CCN set temperature for the Nafion humidifier, first column)
  • CCN_Q_sheath_2 (AOS CCN volumetric flow rate of sheath air, second column)
  • N_CCN_2 (AOS number concentration of CCN, second column)
  • CCN_alarm_code_2 (CCN alarm code expressed as a summation of powers of 2. 0 indicates no detected problem, second column)
  • CCN_T_OPC_2 (AOS CCN temperature of the optical particle counter, second column)
  • CCN_OPC_set_1 (AOS CCN set point temperature for the optical particle counter (OPC), first column)
  • CCN_T_set_TEC1_2 (AOS CCN set point for temperature at top of column, second column)
  • N_CCN_bin_number_1 (AOS bin number of lowest channel of OPC include in summation of N_CCN, first column)
  • CCN_T_inlet_set_2 (AOS CCN temperature of sample air at entrance to instrument, second column)
  • CCN_supersaturation_set_point_1 (AOS CCN sample supersaturation set point value reported by instrument, first column)
  • CCN_overflow_2 (Number of particles that are larger than 10um, second column)
 
DQR ID: D160621.4    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2016-06-16 00:42:00 2016-06-16 13:45:00 Incorrect
Subject: ASI/AOS/M1 - Manifold blower not working
Affected Datastreams: asiaossmpstrhM1.a1
Description Manifold blower not working, instrument sample flows either zero or different than specified. Sampling through the stack not isokinetic.
Measurements
  • CCN_Q_sample_2 (AOS CCN volumetric flow rate of sample air, second column)
  • CCN_overflow_1 (Number of particles that are larger than 10um, first column)
  • CCN_temp_unstable_1 (AOS CCN logical value, indicating whether the instrument has reached thermal gradient stabilization and is within 0.4 degrees C of the set point, first column)
  • CCN_alarm_code_1 (CCN alarm code expressed as a summation of powers of 2. 0 indicates no detected problem, first column)
  • CCN_proportional_valve_voltage_1 (CCN Proportional valve voltage, first column)
  • N_CCN_dN_1 (AOS CCN droplet count by bin size, first column)
  • CCN_first_stage_monitor_voltage_2 (First stage monitor voltage, second column)
  • CCN_laser_current_1 (AOS CCN OPC laser current, first column)
  • CCN_baseline_monitor_1 (AOS CCN voltage used by DMT for OPC diagnostic purposes, first column)
  • CCN_supersaturation_set_point_2 (AOS CCN sample supersaturation set point value reported by instrument, second column)
  • lon (East longitude)
  • CCN_T_read_TEC3_2 (AOS CCN (read) temperature at bottom of column, second column)
  • CCN_OPC_set_2 (AOS CCN set point temperature for the optical particle counter (OPC), second column)
  • time (Time offset from midnight)
  • CCN_T_inlet_1 (AOS CCN temperature of sample air at entrance to instrument, first_column)
  • size_bin_bounds (Droplet bin bounds)
  • CCN_first_stage_monitor_voltage_1 (First stage monitor voltage, first column)
  • CCN_baseline_monitor_2 (AOS CCN voltage used by DMT for OPC diagnostic purposes, second column)
  • CCN_T_read_TEC3_1 (AOS CCN (read) temperature at bottom of column, first column)
  • CCN_T_OPC_1 (AOS CCN temperature of the optical particle counter, first column)
  • CCN_T_read_TEC2_1 (AOS CCN observed temperature at middle of column, first column)
  • CCN_T_read_TEC1_1 (AOS CCN observed temperature at top of column, first column)
  • CCN_laser_current_2 (AOS CCN OPC laser current, second column)
  • CCN_T_read_TEC2_2 (AOS CCN observed temperature at middle of column, second column)
  • CCN_Q_sheath_1 (AOS CCN volumetric flow rate of sheath air, first column)
  • CCN_T_set_TEC2_1 (AOS CCN set point for temperature at middle of column, first column)
  • alt (Altitude above mean sea level)
  • CCN_T_nafion_set_2 (AOS CCN set temperature for the Nafion humidifier, second column)
  • CCN_T_nafion_1 (AOS CCN Nafion temperature, first column)
  • CCN_temperature_gradient_1 (Temperature difference between CCN_T_set_TEC3_1 and CCN_T_set_TEC1_1, first column)
  • CCN_T_inlet_set_1 (AOS CCN set point temperature for the inlet manifold, first column)
  • N_CCN_1 (AOS number concentration of CCN, first column)
  • N_CCN_bin_number_2 (AOS bin number of lowest channel of OPC include in summation of N_CCN, second column)
  • CCN_T_set_TEC1_1 (AOS CCN set point for temperature at top of column, first column)
  • CCN_T_inlet_2 (AOS CCN set point temperature for the inlet manifold, second column)
  • size_bin (Size bins for CCN droplet count)
  • CCN_T_set_TEC3_1 (AOS CCN set point for temperature at bottom of column, first column)
  • CCN_T_sample_2 (AOS CCN temperature of sample air entering the column, second column)
  • CCN_P_sample_1 (AOS CCN sample pressure, first column)
  • CCN_temp_unstable_2 (AOS CCN logical value, indicating whether the instrument has reached thermal gradient stabilization and is within 0.4 degrees C of the set point, second column)
  • CCN_temperature_gradient_2 (Temperature difference between CCN_T_set_TEC3_2 and CCN_T_set_TEC1_2, second column)
  • CCN_T_read_TEC1_2 (AOS CCN observed temperature at top of column, second column)
  • CCN_T_set_TEC2_2 (AOS CCN set point for temperature at middle of column, second column)
  • CCN_T_sample_1 (AOS CCN temperature of sample air entering the column, first column)
  • time_offset (Time offset from base_time)
  • N_CCN_dN_2 (AOS CCN droplet count by bin size, second column)
  • lat (North latitude)
  • CCN_proportional_valve_voltage_2 (CCN Proportional valve voltage, second column)
  • CCN_T_set_TEC3_2 (AOS CCN set point for temperature at bottom of column, second column)
  • CCN_P_sample_2 (AOS CCN sample pressure, second column)
  • base_time (Base time in Epoch)
  • CCN_Q_sheath_2 (AOS CCN volumetric flow rate of sheath air, second column)
  • CCN_T_nafion_set_1 (AOS CCN set temperature for the Nafion humidifier, first column)
  • CCN_Q_sample_1 (AOS CCN volumetric flow rate of sample air, first column)
  • CCN_T_nafion_2 (AOS CCN Nafion temperature, second column)
  • N_CCN_2 (AOS number concentration of CCN, second column)
  • CCN_alarm_code_2 (CCN alarm code expressed as a summation of powers of 2. 0 indicates no detected problem, second column)
  • CCN_T_OPC_2 (AOS CCN temperature of the optical particle counter, second column)
  • CCN_OPC_set_1 (AOS CCN set point temperature for the optical particle counter (OPC), first column)
  • N_CCN_bin_number_1 (AOS bin number of lowest channel of OPC include in summation of N_CCN, first column)
  • CCN_T_set_TEC1_2 (AOS CCN set point for temperature at top of column, second column)
  • CCN_T_inlet_set_2 (AOS CCN temperature of sample air at entrance to instrument, second column)
  • CCN_supersaturation_set_point_1 (AOS CCN sample supersaturation set point value reported by instrument, first column)
  • CCN_overflow_2 (Number of particles that are larger than 10um, second column)
 
DQR ID: D160617.14    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2016-04-22 00:00:00 2016-05-31 23:59:59 Incorrect
Subject: ASI/AOS/CCN/HTDMA/NEPHELOMETER/UHSAS/M1 - Site installation
Affected Datastreams: asiaosccn200M1.a1
Description Site installation, mentors on site. No valid data.
Measurements
  • CCN_Q_sample_2 (AOS CCN volumetric flow rate of sample air, second column)
  • CCN_overflow_1 (Number of particles that are larger than 10um, first column)
  • CCN_temp_unstable_1 (AOS CCN logical value, indicating whether the instrument has reached thermal gradient stabilization and is within 0.4 degrees C of the set point, first column)
  • CCN_alarm_code_1 (CCN alarm code expressed as a summation of powers of 2. 0 indicates no detected problem, first column)
  • CCN_proportional_valve_voltage_1 (CCN Proportional valve voltage, first column)
  • N_CCN_dN_1 (AOS CCN droplet count by bin size, first column)
  • CCN_first_stage_monitor_voltage_2 (First stage monitor voltage, second column)
  • CCN_laser_current_1 (AOS CCN OPC laser current, first column)
  • CCN_baseline_monitor_1 (AOS CCN voltage used by DMT for OPC diagnostic purposes, first column)
  • CCN_supersaturation_set_point_2 (AOS CCN sample supersaturation set point value reported by instrument, second column)
  • CCN_T_read_TEC3_2 (AOS CCN (read) temperature at bottom of column, second column)
  • CCN_OPC_set_2 (AOS CCN set point temperature for the optical particle counter (OPC), second column)
  • CCN_T_inlet_1 (AOS CCN temperature of sample air at entrance to instrument, first_column)
  • size_bin_bounds (Droplet bin bounds)
  • CCN_T_OPC_1 (AOS CCN temperature of the optical particle counter, first column)
  • CCN_T_read_TEC3_1 (AOS CCN (read) temperature at bottom of column, first column)
  • CCN_baseline_monitor_2 (AOS CCN voltage used by DMT for OPC diagnostic purposes, second column)
  • CCN_first_stage_monitor_voltage_1 (First stage monitor voltage, first column)
  • CCN_T_read_TEC2_1 (AOS CCN observed temperature at middle of column, first column)
  • CCN_T_read_TEC1_1 (AOS CCN observed temperature at top of column, first column)
  • CCN_laser_current_2 (AOS CCN OPC laser current, second column)
  • CCN_T_read_TEC2_2 (AOS CCN observed temperature at middle of column, second column)
  • CCN_Q_sheath_1 (AOS CCN volumetric flow rate of sheath air, first column)
  • CCN_T_set_TEC2_1 (AOS CCN set point for temperature at middle of column, first column)
  • CCN_T_nafion_1 (AOS CCN Nafion temperature, first column)
  • CCN_T_nafion_set_2 (AOS CCN set temperature for the Nafion humidifier, second column)
  • CCN_temperature_gradient_1 (Temperature difference between CCN_T_set_TEC3_1 and CCN_T_set_TEC1_1, first column)
  • CCN_T_inlet_set_1 (AOS CCN set point temperature for the inlet manifold, first column)
  • N_CCN_1 (AOS number concentration of CCN, first column)
  • N_CCN_bin_number_2 (AOS bin number of lowest channel of OPC include in summation of N_CCN, second column)
  • CCN_T_inlet_2 (AOS CCN set point temperature for the inlet manifold, second column)
  • CCN_T_set_TEC1_1 (AOS CCN set point for temperature at top of column, first column)
  • size_bin (Size bins for CCN droplet count)
  • CCN_T_set_TEC3_1 (AOS CCN set point for temperature at bottom of column, first column)
  • CCN_T_set_TEC2_2 (AOS CCN set point for temperature at middle of column, second column)
  • CCN_T_sample_2 (AOS CCN temperature of sample air entering the column, second column)
  • CCN_P_sample_1 (AOS CCN sample pressure, first column)
  • CCN_T_read_TEC1_2 (AOS CCN observed temperature at top of column, second column)
  • CCN_temperature_gradient_2 (Temperature difference between CCN_T_set_TEC3_2 and CCN_T_set_TEC1_2, second column)
  • CCN_temp_unstable_2 (AOS CCN logical value, indicating whether the instrument has reached thermal gradient stabilization and is within 0.4 degrees C of the set point, second column)
  • CCN_T_sample_1 (AOS CCN temperature of sample air entering the column, first column)
  • N_CCN_dN_2 (AOS CCN droplet count by bin size, second column)
  • CCN_proportional_valve_voltage_2 (CCN Proportional valve voltage, second column)
  • CCN_T_set_TEC3_2 (AOS CCN set point for temperature at bottom of column, second column)
  • CCN_P_sample_2 (AOS CCN sample pressure, second column)
  • CCN_T_nafion_2 (AOS CCN Nafion temperature, second column)
  • CCN_Q_sheath_2 (AOS CCN volumetric flow rate of sheath air, second column)
  • CCN_Q_sample_1 (AOS CCN volumetric flow rate of sample air, first column)
  • CCN_T_nafion_set_1 (AOS CCN set temperature for the Nafion humidifier, first column)
  • N_CCN_2 (AOS number concentration of CCN, second column)
  • CCN_alarm_code_2 (CCN alarm code expressed as a summation of powers of 2. 0 indicates no detected problem, second column)
  • CCN_T_OPC_2 (AOS CCN temperature of the optical particle counter, second column)
  • CCN_OPC_set_1 (AOS CCN set point temperature for the optical particle counter (OPC), first column)
  • N_CCN_bin_number_1 (AOS bin number of lowest channel of OPC include in summation of N_CCN, first column)
  • CCN_T_set_TEC1_2 (AOS CCN set point for temperature at top of column, second column)
  • CCN_T_inlet_set_2 (AOS CCN temperature of sample air at entrance to instrument, second column)
  • CCN_supersaturation_set_point_1 (AOS CCN sample supersaturation set point value reported by instrument, first column)
  • CCN_overflow_2 (Number of particles that are larger than 10um, second column)
 
DQR ID: D170912.1    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2017-09-12 15:30:00 2017-09-12 17:30:00 Missing
Subject: ASI/CCN/M1 - Instrument offline
Affected Datastreams: asiaosccn2colaM1.b1
Description Instrument offline for backing up the internal disk.
Measurements
  • CCN_Q_sample_2 (AOS CCN volumetric flow rate of sample air, second column)
  • CCN_overflow_1 (Number of particles that are larger than 10um, first column)
  • CCN_temp_unstable_1 (AOS CCN logical value, indicating whether the instrument has reached thermal gradient stabilization and is within 0.4 degrees C of the set point, first column)
  • CCN_alarm_code_1 (CCN alarm code expressed as a summation of powers of 2. 0 indicates no detected problem, first column)
  • CCN_proportional_valve_voltage_1 (CCN Proportional valve voltage, first column)
  • N_CCN_dN_1 (AOS CCN droplet count by bin size, first column)
  • CCN_first_stage_monitor_voltage_2 (First stage monitor voltage, second column)
  • CCN_laser_current_1 (AOS CCN OPC laser current, first column)
  • CCN_baseline_monitor_1 (AOS CCN voltage used by DMT for OPC diagnostic purposes, first column)
  • CCN_supersaturation_set_point_2 (AOS CCN sample supersaturation set point value reported by instrument, second column)
  • lon (East longitude)
  • CCN_T_read_TEC3_2 (AOS CCN (read) temperature at bottom of column, second column)
  • CCN_OPC_set_2 (AOS CCN set point temperature for the optical particle counter (OPC), second column)
  • time (Time offset from midnight)
  • CCN_T_inlet_1 (AOS CCN temperature of sample air at entrance to instrument, first_column)
  • size_bin_bounds (Droplet bin bounds)
  • CCN_first_stage_monitor_voltage_1 (First stage monitor voltage, first column)
  • CCN_T_OPC_1 (AOS CCN temperature of the optical particle counter, first column)
  • CCN_T_read_TEC3_1 (AOS CCN (read) temperature at bottom of column, first column)
  • CCN_baseline_monitor_2 (AOS CCN voltage used by DMT for OPC diagnostic purposes, second column)
  • CCN_T_read_TEC2_1 (AOS CCN observed temperature at middle of column, first column)
  • CCN_T_read_TEC1_1 (AOS CCN observed temperature at top of column, first column)
  • CCN_laser_current_2 (AOS CCN OPC laser current, second column)
  • CCN_T_read_TEC2_2 (AOS CCN observed temperature at middle of column, second column)
  • CCN_Q_sheath_1 (AOS CCN volumetric flow rate of sheath air, first column)
  • CCN_T_set_TEC2_1 (AOS CCN set point for temperature at middle of column, first column)
  • CCN_T_nafion_1 (AOS CCN Nafion temperature, first column)
  • CCN_T_nafion_set_2 (AOS CCN set temperature for the Nafion humidifier, second column)
  • CCN_temperature_gradient_1 (Temperature difference between CCN_T_set_TEC3_1 and CCN_T_set_TEC1_1, first column)
  • CCN_T_inlet_set_1 (AOS CCN set point temperature for the inlet manifold, first column)
  • N_CCN_1 (AOS number concentration of CCN, first column)
  • N_CCN_bin_number_2 (AOS bin number of lowest channel of OPC include in summation of N_CCN, second column)
  • CCN_T_set_TEC1_1 (AOS CCN set point for temperature at top of column, first column)
  • CCN_T_inlet_2 (AOS CCN set point temperature for the inlet manifold, second column)
  • size_bin (Size bins for CCN droplet count)
  • CCN_T_set_TEC3_1 (AOS CCN set point for temperature at bottom of column, first column)
  • CCN_P_sample_1 (AOS CCN sample pressure, first column)
  • CCN_T_sample_2 (AOS CCN temperature of sample air entering the column, second column)
  • CCN_T_set_TEC2_2 (AOS CCN set point for temperature at middle of column, second column)
  • CCN_temperature_gradient_2 (Temperature difference between CCN_T_set_TEC3_2 and CCN_T_set_TEC1_2, second column)
  • CCN_temp_unstable_2 (AOS CCN logical value, indicating whether the instrument has reached thermal gradient stabilization and is within 0.4 degrees C of the set point, second column)
  • CCN_T_read_TEC1_2 (AOS CCN observed temperature at top of column, second column)
  • CCN_T_sample_1 (AOS CCN temperature of sample air entering the column, first column)
  • time_offset (Time offset from base_time)
  • N_CCN_dN_2 (AOS CCN droplet count by bin size, second column)
  • CCN_supersaturation_set_point_1 (AOS CCN sample supersaturation set point value reported by instrument, first column)
  • lat (North latitude)
  • CCN_proportional_valve_voltage_2 (CCN Proportional valve voltage, second column)
  • CCN_T_set_TEC3_2 (AOS CCN set point for temperature at bottom of column, second column)
  • CCN_P_sample_2 (AOS CCN sample pressure, second column)
  • base_time (Base time in Epoch)
  • CCN_T_nafion_2 (AOS CCN Nafion temperature, second column)
  • CCN_Q_sheath_2 (AOS CCN volumetric flow rate of sheath air, second column)
  • CCN_Q_sample_1 (AOS CCN volumetric flow rate of sample air, first column)
  • CCN_T_nafion_set_1 (AOS CCN set temperature for the Nafion humidifier, first column)
  • N_CCN_2 (AOS number concentration of CCN, second column)
  • CCN_alarm_code_2 (CCN alarm code expressed as a summation of powers of 2. 0 indicates no detected problem, second column)
  • CCN_T_OPC_2 (AOS CCN temperature of the optical particle counter, second column)
  • CCN_OPC_set_1 (AOS CCN set point temperature for the optical particle counter (OPC), first column)
  • CCN_T_set_TEC1_2 (AOS CCN set point for temperature at top of column, second column)
  • N_CCN_bin_number_1 (AOS bin number of lowest channel of OPC include in summation of N_CCN, first column)
  • CCN_T_inlet_set_2 (AOS CCN temperature of sample air at entrance to instrument, second column)
  • alt (Altitude above mean sea level)
  • CCN_overflow_2 (Number of particles that are larger than 10um, second column)