DQRID : D161018.2
Start DateStart TimeEnd DateEnd Time
10/07/2016200010/14/20161054
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Subject:
ASI/SMPS/M1/M1 - Instrument computer failure
DataStreams:asiaossmpsM1.a1, asiaossmpsM1.00, asiaossmpstrhM1.a1
Description:
The computer running the SMPS failed.  Some data was lost in the interim during the 
replacement of the computer and some data may be recoverable from the failed computer.
Suggestions: 
Measurements:asiaossmpstrhM1.a1:
  • base time in epoch(base_time)
  • -180.0 - +180.0(alt)
  • time_in_seconds_since_volume_start(time)
  • Time offset from base_time(time_offset)
  • North Latitude(lat)
  • Sample temperature(sample_temperature)
  • Sample relative humidity(sample_rh)
  • lon(lon)
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asiaossmpsM1.a1:
  • Sheath flow(sheath_flow)
  • Reference mean free path(reference_mean_free_path)
  • Gas viscosity(gas_viscosity)
  • Outer radius of DMA(DMA_outer_radius)
  • CPC sample flow rate(CPC_sample_flow)
  • Inner radius of DMA(DMA_inner_radius)
  • Aerosol flow rate(aerosol_flow)
  • Mean diameter of size distribution using a geometric average(geometric_mean)
  • Mean free path(mean_free_path)
  • 50 percent cut-point diameter of the impactor(d50)
  • CPC sample flow rate(cpc_sample_flow)
  • Time offset from base_time(time_offset)
  • Sample pressure(sample_pressure)
  • Bins for diameter midpoint measurements(diameter_midpoint)
  • Sample temperature(sample_temperature)
  • CPC inlet flow rate set point(cpc_inlet_flow)
  • base time in epoch(base_time)
  • -180.0 - +180.0(alt)
  • Reference gas viscosity(reference_gas_viscosity)
  • North Latitude(lat)
  • Reference gas temperature(reference_gas_temperature)
  • Characteristic length of DMA(DMA_characteristic_length)
  • Standard deviation of mean diameter of size distribution using geometric average(geometric_mean_std)
  • Down scan first(down_scan_first)
  • CPC inlet flow rate(CPC_inlet_flow)
  • Mode index(mode)
  • Number size distribution (dN/dlogDp)(number_size_distribution)
  • Median diameter of size distribution(median)
  • Nanoparticle agglomerate mobility analysis(nanoparticle_agglomerate_mobility_analysis)
  • Multiple charge correction(multiple_charge_correction)
  • Low voltage reading(low_voltage)
  • lon(lon)
  • Particle density(particle_density)
  • High voltage reading(high_voltage)
  • Reference gas pressure(reference_gas_pressure)
  • Diffusion correction(diffusion_correction)
  • time_in_seconds_since_volume_start(time)
  • Flag indicating aeri retrieval status(status_flag)
  • Mean diameter of size distribution(mean)
  • Total scan concentration over all bins(total_concentration)
  • Lower size limit(lower_size)
more
asiaossmpsM1.00:
  • (Raw data stream - documentation not supported)
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