European Facility For Airborne Research

European Facility For Airborne Research July 25, 2024, 02:32

Instrument: Metair modified Licor 6262 closed cell IR Gas Analyser

Name Metair modified Licor 6262 closed cell IR Gas Analyser
Acronym Licor6262-Metair
Manufacturer LI-COR
Manufacturer website
Operated by METAIR
Operated onboard

Instrument type

Name CO2 and H20 by InfraRed absorption
Acronym CO2 and H20 by IR absorption

Principle of operation

Measured parameter CO2, H2O
Operating principle

Measurement(s) Gas Phase

Dimension and weight

External dimension 38 x 38 x 22 cm (temperature controlled box) plus 21 x 14 x 25 cm for peltier dryer / pump inclucing all externals like reference gas in the box.
Weight 11.0


Operating mode In situ






differential mode (reference gas);
heat exchanger between sample and reference;
passive pressure equilibration in both cells;
active flushing of optics (no scrubbers needed, insensitive to pressure changes);
temperature control of whole unit including reference gas.

Operational restriction

Operator for ground handling, and calibration

Operational requirements

28 VAC and 12 VAC, about 50 W for the temperature controlled instrument plus 100 W for the cool trap (drying).

Certification approvals

NO, only for use in DIMO underwing pods within MetAir operations

Additional information

Access, host and processing


In principle, yes, also consulting for copying the instrument.

Could also fit on any aircraft having the following characteristics

General description

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