Home » Airborne Measurements » PANs -CIGARette
PANs -CIGARette
STATUS
Operable
AVAILABILITY
generally available though may be committed to planned field projects - please inquire with NCAR/ACD's CARI group
REQUEST PROCEDURE
contact NCAR/ACD's CARI group may become requestable through OFAP process
Airborne Measurements
Chemical ionization mass spectrometer for the measurement of Peroxyacylnitrate compounds such as PAN, PPN, PBN, APAN, MoPAN, and others
CONTACT
Frank Flocke
NCAR / ACD
1850 Table Mesa Drive Boulder, CO 80305 USA
303-497-1457
ffl@ucar.edu
http://acd.ucar.edu/~ffl/
SPECIFICATIONS
ManufacturerGreg Huey, Frank Flocke
Dimensions1 standard aircraft rack (GV) or one bay of a standard double rack (C-130, P-3, DC-8)
Weight~200 lbs
Power Source Type110V/400Hz approx 800W
Inlet Apertureshave aircraft inlet (12" winglet)
Heating/Cooling Requirementsneeds some cooling if ambient temp exceeds 35 C
Airspeed/Altitude Requirements<42000 feet, subsonic air speed
Operators Required0
Ground Requirementsshelter with temperature controlled to < 35 degrees C
Suitable PlatformsC-130, P-3, DC-8 needs to be certified for use on GV
Data SystemNational Instruments LabView PXI based data system
Measured Parametermixing ratios of PANs
Measurement TechniqueCIMS
Operational Modenormal operation
Time Resolution1s to 2 s dep. on number of species measured
Horizontal Resolutiondepends on A/C speed
Other Resolution
Precision2 pptv
Accuracybetter than 15% or 2 pptv
Range1 pptv to ~20 ppbv
Calibration Methodintegrated in-situ calibration
Limitations
REFERENCES
Slusher, D., L. G. Huey, D. J. Tanner, F. M. Flocke and J. M. Roberts, JGR 109: doi:10.1029/2004JD004670 (2004).
UPDATED ON
13 Oct 2009 08:50