DQRID : D160213.2
Start DateStart TimeEnd DateEnd Time
10/26/2015120010/26/20151759
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Subject:
OLI/GHG/M1 - Tower pump failure
DataStreams:oliaosghgM1.a1, oliaosghgauxM1.a1
Description:
Tower pump failure
Suggestions: 
Do not use for science
Measurements:oliaosghgM1.a1:
  • Measured CO2 mole fraction(co2)
  • Picarro warm box temperature(warm_box_temperature)
  • Analyzer temperature(analyzer_temperature)
  • lon(lon)
  • time_in_seconds_since_volume_start(time)
  • Species being analyzed during sample(species)
  • Instrument status indicators(instrument_status)
  • Methane concentration(ch4)
  • Outlet DAC (digital to analog converter) value for Picarro cavity pressure
    control(outlet_valve)
  • North Latitude(lat)
  • base time in epoch(base_time)
  • Value indicates state of the rotary valco valve (range 1 to 8)(mp_valve_position)
  • Time offset from base_time(time_offset)
  • Alarm status to be interpreted as a binary number.(alarm_status)
  • -180.0 - +180.0(alt)
  • Carbon dioxide dry volume mixing ratio(co2_dry)
  • Picarro optical cavity temperature(cavity_temperature)
  • Value indicating which solenoid valve is currently used(solenoid_valve)
  • Methane dry volume mixing ratio(ch4_dry)
  • Water vapor volume percentage(h2o_vapor)
  • Picarro etalon temperature(etalon_temperature)
  • Cavity pressure(cavity_pressure)
more
oliaosghgauxM1.a1:
  • time_in_seconds_since_volume_start(time)
  • Exhaust flow(exhaust_flow)
  • Liquid alarm for tower inlet(liquid_alarm_tower_inlet)
  • Calibration cylinder 3 high pressure(calibration_cylinder_3_pressure)
  • base time in epoch(base_time)
  • Chiller temperature during 1 minute interval.(chiller_temperature)
  • Calibration cylinder 2 high pressure(calibration_cylinder_2_pressure)
  • lon(lon)
  • Pressure in dry purge cylinder line(dry_purge_line_pressure)
  • Measured Nafion box temperature.(nafion_box_temperature)
  • Line pressure of tower inlet(line_pressure_tower_inlet)
  • Pressure in calibration cylinder 2 line(calibration_cylinder_2_line_pressure)
  • Dry purge cylinder high pressure(dry_purge_cylinder_pressure)
  • Nafion drier purge pressure(nafion_purge_pressure)
  • Measured pump box temperature(pump_box_temperature)
  • Flow of Nafion box dry purge(dry_purge_flow)
  • Air flow near front fan in pump box.(front_fan_flow)
  • North Latitude(lat)
  • Measured pressure control(pressure_control)
  • Air flow near rear fan in pump box.(rear_fan_flow)
  • Battery minimum in 1 minute interval(battery_minimum)
  • -180.0 - +180.0(alt)
  • Pressure in calibration cylinder 3 line(calibration_cylinder_3_line_pressure)
  • Pressure in calibration cylinder 1 line(calibration_cylinder_1_line_pressure)
  • Calibration cylinder 1 high pressure(calibration_cylinder_1_pressure)
  • Time offset from base_time(time_offset)
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