DQRID : D160617.11
Start DateStart TimeEnd DateEnd Time
06/03/2016153006/13/20161221
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Subject:
ASI/ACSM/M1 - Noisy data from low inlet pressure
DataStreams:asiaosacsmM1.a1, asiaosacsmM1.b1, asiaosacsmM1.00
Description:
The inlet pressure is low as the result of a clogged critical orifice.  Data are corrected 
for inlet pressure but the signal is low because of very light aerosol loading and are 
noisy.
Suggestions: 
Can be used if necessary, but noise should be noted.
Measurements:asiaosacsmM1.b1:
  • Mass concentration of total organics, ambient aerosol in air(total_organics)
  • Mass concentration of ammonium, ambient aerosol in air(ammonium)
  • Mass concentration of chloride, ambient aerosol in air.(chloride)
  • Organic mass spectral error matrix(org_mx_err)
  • Mass concentration of sulfate, ambient aerosol in air.(sulfate)
  • Organic mass spectral matrix(org_mx)
  • Mass concentration of nitrate, ambient aerosol in air(nitrate)
  • Mass to charge ratios of ion fragments(amus)
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asiaosacsmM1.a1:
  • Mass concentration of nitrate, ambient aerosol in air(nitrate)
  • Mass concentration of ammonium, ambient aerosol in air(ammonium)
  • Mass concentration of total organics, ambient aerosol in air(total_organics)
  • Inlet closed(inlet_closed)
  • flow rate measured by the mass flow controller(flow_rate)
  • Mass concentration of chloride, ambient aerosol in air.(chloride)
  • Vaporizer(vaporizer)
  • Mass concentration of sulfate, ambient aerosol in air.(sulfate)
  • Emission current(emission_current)
  • Inlet open(inlet_open)
more
asiaosacsmM1.00:
  • (Raw data stream - documentation not supported)
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