Data Quality Report for Order ID: 187109
User ID: pennypackers1    Date completed: 2017-08-07
All DQRs
DQR ID Subject Affected Data Streams Data Quality Metric
D170303.12 ENA/AOS/C1 - Dry air supply intermittently not working enaaosuhsasC1.01 Note
 
DQR ID: D170303.12    (Back to Top)
Start Date Start Time End Date End Time Data Quality Metric
2016-06-20 00:00:00 2017-03-03 00:00:00 Note
Subject: ENA/AOS/C1 - Dry air supply intermittently not working
Affected Datastreams: enaaosuhsasC1.01
Description Pentras dry air supply intermittently not working. Dry air missing for the humidigraph and the HT-DMA. Dry air supply for those instruments partially replaced by regular undried compressed air, lowering the delivery pressure. No direct effect on other instruments seen.
Measurements
  • current (Current)
  • bin_num (Bin number)
  • temperature (Raw temperature signal)
  • upper_size_limit (Upper particle size limit for each bin)
  • base_time (Base time in Epoch)
  • lon (East longitude)
  • sheath_flow (Sheath flow)
  • alt (Altitude above mean sea level)
  • time_offset (Time offset from base_time)
  • concentration (Computed concentration)
  • scattering_voltage (Scatter signal)
  • time (Time offset from midnight)
  • size_distribution (Particle size distribution, limited by lower_size_limit and upper_size_limit)
  • sample_pressure (Sample pressure)
  • purge_flow (Purge flow)
  • differential_voltage (Differential_voltage, see instrument manual)
  • sampling_volume (Sample volume)
  • sample_flow_rate (Sample flow rate)
  • auxiliary (Auxiliary measurement, not implemented)
  • lower_size_limit (Lower particle size limit for each bin)
  • lat (North latitude)
  • unit_temperature (Unit temperature)
  • flow (Flow measurement, not implemented)
  • reference (Reference)