Datastream : AOSCPCU

AOS: Ultrafine Condensation Particle Counter

Active Dates
2012.06.24 - 2017.02.16

Measurement Categories

Originating Instrument
Aerosol Observing System (AOS)


Only measurements considered scientifically relevant are shown below by default.

Show all measurements

Measurement Units Variable
Aerosol flow rate cc/min aerosol_flow ( time )
calibrated aerosol flow sccm aerosol_flow_calibrated
Altitude above mean sea level m alt
Ambient pressure kPa ambient_pressure ( time )
Base time in Epoch seconds since 1970-1-1 0:00:00 0:00 base_time
Cabinet temperature degC cabinet_temp ( time )
Particle concentration parts/cc concentration ( time )
Condensation temperature degC condensation_temp ( time )
Dilution correction factor unitless dilution_correction_factor ( time )
Flow read cc/min dilution_flow_reading ( time )
Flow setpoint cc/min dilution_flow_setpoint ( time )
Valve position, open or closed. Value of 1=open, 0=closed, -1=error unitless dilution_valve_position ( time )
Flow setpoint sccm flow_setpoint ( time )
Liquid fraction available unitless fraction_full ( time )
Laser current mA laser_current ( time )
North latitude degree_N lat
Liquid level unitless liquid_level ( time )
East longitude degree_E lon
Nozzle pressure kPa nozzle_pressure ( time )
Optics temperature C optics_temp ( time )
Orifice pressure kPa orifice_pressure ( time )
Quality check results on field: Particle concentration unitless qc_concentration ( time )
Saturation temperature C saturation_temp ( time )
Time offset from midnight time ( time )
Time offset from base_time time_offset ( time )
Valve position, open or closed. Value of 1=open, 0=closed, -1=error unitless valve_position ( time )


Southern Great Plains
SGPS01 Browse DataSupplemental 1, Lamont, OK
ARM Mobile Facility
ASIM1 Browse DataAscension Island, South Atlantic Ocean; AMF1
MAOS1 Browse Data Browse PlotsManacapuru, Amazonas, Brazil; MAOS
OLIM1 Browse DataOlikiok Point, Alaska; AMF3
PVCS1 Browse Data Browse PlotsHighland Center, Cape Cod MA; MAOS