Home » Surface In-Situ Instruments » Fuel-cell O2/N2 Ratio Instrument
Fuel-cell O2/N2 Ratio Instrument
STATUS
Undergoing Modifications
AVAILABILITY
This instrument requires moderate upgrades before redeploying.
REQUEST PROCEDURE
Contact PI Britt Stephens to discuss possible collaborations
Surface In-Situ Instruments
A modified commercial fuel-cell instrument for measuring O2 concentration
CONTACT
Britton Stephens
NCAR EOL/TIIMES
1850 Table Mesa Dr. Boulder, CO 80305
303-497-1018
stephens@ucar.edu
http://www.eol.ucar.edu/~stephens
SPECIFICATIONS
TypeChemical
Instrument TypeChemistry instrument
EnvironmentLand
LocationNCAR
Archive Data Availabilitycontact PI
VariablesO2/N2 Ratio
Time PeriodJune 2000 - December 2003
Instrument Maturityran semi-continuously for 3.5 years, now undergoing modifications
WavebandN/A
Dervied VariablesN/A
Chemical PhaseGas phase
Chemical CompoundsO2
Technique
Sampling Rate1 – 15 minutes
Detection Limit
REFERENCES
Stephens, B.B., P.S. Bakwin, P.P. Tans, R.M. Teclaw, and D.D. Baumann, Application of a differential fuel-cell analyzer for measuring atmospheric oxygen variations, Journal of Atmospheric and Oceanic Technology, 24, 82–94, doi: 10.1175/JTECH1959.1, 2007.
REMARKS
The instrument is presently in lab following a successful 3.5 year field deployment.
UPDATED ON
23 Sep 2009 20:37