DQRID : D170504.4
Start DateStart TimeEnd DateEnd Time Data Quality Metric
12/03/2016153012/14/20161729Incorrect
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Subject:
SGP/APS/E13 - Instrument Failure
DataStreams:sgpaosapsE13.00, sgpaosapssidescatterE13.a0, sgpaosapstofE13.a0, sgpaosapsE13.a1
Description:
The APS had a sudden drastic drop in counts.  The instrument ran until it could be removed 
for repair with the manufacturer.  The manufacturer had to replace the analog board and 
the detector board and laser.
Suggestions: 
Do not use data during this period
Measurements:sgpaosapstofE13.a0:
  • N_TOF
  • status_flags
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sgpaosapssidescatterE13.a0:
  • N_side_scatter
  • status_flags
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sgpaosapsE13.a1:
  • dead_time
  • aerodynamic_diameter
  • laser_current
  • event_3
  • event_4
  • event_1
  • total_concentration
  • aerodynamic_diameter_bound
  • digital_input_level_0
  • sheath_pump_voltage
  • laser_power
  • N_TOF
  • avalanche_photodiode_temperature
  • digital_input_level_2
  • digital_input_level_1
  • TOF_bin
  • status_flags
  • avalanche_photodiode_voltage
  • analog_input_voltage_1
  • analog_input_voltage_0
  • inlet_temperature
  • TOF_bin_bound
  • total_pump_voltage
  • sheath_flow_rate
  • total_flow_rate
  • inlet_pressure
  • box_temperature
  • N_side_scatter
more
sgpaosapsE13.00:
  • Raw data stream - documentation not supported
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