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Attention:

Please note that operations of the LI-7200 CO2 / H2O Analyzer requires experienced scientific staff on board the aircraft.

Summary

The Greenhouse Gas Analyzer (model GGA-24EP) is an advanced instrument for simultaneous measurements of methane (CH4), carbon dioxide (CO2) and water vapor (H2O) using cavity enhanced laser absorption technique.


ManufacturerDroplet Measurement Technologies
ModelUHSAS
Serial No.1206-036
TypeSpectrometer



Contacts

NameInstitutionRole
Gerd RohardtAlfred-Wegener-InstituteData Scientist
Andreas WisotzkyAlfred-Wegener-Institute for Polar and Marine ResearchData Scientist
FIELAX GmbHFIELAX Gesellschaft für wissenschaftliche Datenverarbeitung mbHEngineer In Charge

Components

The LI-7200 CO2 / H2O Analyzer system comprises the analyser itself and an interface unit for data flow.

Position

Origin Description:The device is installed in a rack. It is connected with tubes to an air inlet installed at the cabin roof.

Data logging, storage and archiving

Logged parameter

ParameterSensor Output TypeUnit
conductivityconductivityHz
internal temperaturetemperatureHz
external temperaturewater temperatureHz
first voltagevoltageV
second voltagevoltageV
SalinitysalinityPSU

Rawdata storage on board

During flight LI-7200 data are stored within the aircraft DMS system.

Data archiving on land

After the flight LI-7200 are stored within the land system of the aircraft data managment system (DMS).

DMS

Module name

B897 LICOR

Device name

Li_Cor 7200

Parameters

APres [kPa ]; CO2AW; CO2AWO; CO2D [mmol m-3 ]; CO2MF [µmol/mol ]; CO2Raw; CO2SS; Cooler [V ]; DPres [kPa ]; Date; DewPt [°C ]; DiagVal; DiagVal2; ErrorText; H2OAW; H2OAWO; H2OG [g/m-3 ]; H2OMF [µmol/mol ]; H2ORaw; H2OSS; NMEA messages LICOR 7200; Ndx; Status; Temp [°C ]; TempIn [°C ]; TempOut [°C ]; Time


Documentation




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