DQRID : D150402.2
Start DateStart TimeEnd DateEnd Time
01/31/2015013002/11/20150952
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Subject:
ACX/HTDMA/M1 - Failure to fill butanol into HTDMA
DataStreams:acxaoshtdmaM1.a1, acxaoshtdmaM1.00
Description:
CPC counts went to zero and remained at zero until the end of the stated time range. The 
CPC was on and detecting only shot noise from the optical detector. Indications suggest 
that butanol was not being filled into the HT-DMA
Suggestions: 
Do not use data
Measurements:acxaoshtdmaM1.a1:
  • Bin center value(bin_center)
  • Maximum aerosol particle diameter instrument setting(scan_max_diameter_setting)
  • Dry aerosol diameter size instrument setting(dry_diameter_setting)
  • Dry aerosol particle relative humidity instrument setting(dry_rh_setting)
  • Bin width(bin_width)
  • Concentration of aerosol(aerosol_concentration)
  • Sample flow rate(sample_flow)
  • Minimum aerosol particle diameter instrument setting(scan_min_diameter_setting)
  • Atomizer calibration status(atomizer)
  • Humid aerosol particle relative humidity(humid_rh)
  • Humidified DMA scanning time instrument setting(scan_time_setting)
  • Total scan concentration over all bins(total_concentration)
  • Number of bins stored in data block(num_bins)
  • Bin numbers for sweep measurements(bin)
  • Sampling mode scan type(scan_type)
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acxaoshtdmaM1.00:
  • (Raw data stream - documentation not supported)
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