European Facility For Airborne Research

European Facility For Airborne Research Dec. 5, 2025, 18:24

Instrument: Analyzer for CO2/CO/CH4/H2O

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  3. Instrument: Analyzer for CO2/CO/CH4/H2O
Name Analyzer for CO2/CO/CH4/H2O
Acronym G2401-m
Manufacturer Picarro
Manufacturer website https://www.picarro.com/
Operated by INCAS
Operated onboard

Instrument type

Name CRDS Analyser
Acronym CRDS

Principle of operation

Measured parameter CO2 ; CO ; CH4 ; H2O
Operating principle

Cavity Ring-Down Spectroscopy (CRDS)
Measurement(s) Gas Phase

Dimension and weight

External dimension Analyzer: 17.55” L x 7” h x 17” w (44.57 x 17.78 x 43.18 cm) not incl. 0.5” feet External Pump: 12.8” L x 8.9” h x 6.2” w (32.4 x 22.6 x 15.8 cm)
Weight 31.75

Performance

Operating mode In situ
Range

CO2: 0-1000 ppb
CH4: 0-20 ppb
CO: 0- 5 ppb
H2O: 0 – 7 %v H2O /39 °C dew pt (non-condensing)
Resolution

Sensitivity

Accuracy

Bandwidth

Modifications

Operational restriction

Ambient Operating Temperature 10 °C to 35 °C
Sample Temperature -10 °C to 45 °C
Sample Flow Rate < 0.6 slm over 250 - 1000 Torr, no filtration required
Sample Pressure 250 to 1000 Torr (40 to 133 kPa)
Sample Humidity < 99% R.H. non-condensing @ 40°C (oil free)
Maximum Altitude Altitude @ 250 Torr
Max Rate of Change in Altitude 1,000 meters / minute
Max Rate of Change in Ambient Temp. 15 ºC/hr
Operational requirements

100 – 240 VAC, 47 – 63 Hz (auto-sensing), < 260 W start-up (total): 110 W
(analyzer), 75 W (pump) at steady state
Certification approvals

Additional information

Access, host and processing

Access

Contact INCAS
Could also fit on any aircraft having the following characteristics

General description

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