Picarro G2201-i

Analyzer for δ¹³C isotopes in CO₂ and CH₄. Operates in three modes: CO₂-only, CH₄-only, and combined CO₂-CH₄ mode. Ideal for field and laboratory applications with low maintenance requirements.

• Status: Active
• Country: USA
• Isotopic: Yes
• Type of measurable elements: Light stable isotopes (C, N, S, O, H)
• Measurable isotopes/elements: δ¹³C in CO₂ and CH₄
• Precision : δ¹³C-CO₂: <0.12‰ (CO₂-only); δ¹³C-CH₄: <0.8‰ (High Precision mode), <0.4‰ (High Dynamic Range mode) CO₂: ±200 ppb; CH₄: ±50 ppb
• Drift : δ¹³C-CO₂: <0.6‰; δ¹³C-CH₄: <1.15‰ over 24 hrs (peak-to-peak, 1 hr averages at STP)
• Measurement range : CO₂: 380–2000 ppm (guaranteed); CH₄: 1.8–500 ppm (guaranteed); H₂O: 0–2.4% (guaranteed)
• Measurement rate : CO₂-only: ~3 sec; CH₄-only: ~3 sec; Combined mode: ~5 sec
• Probed volume: Gas sample chamber; typical flow rate: ~25 sccm at 760 Torr
• Throughput : Not applicable for discrete sampling
• Laser : Tunable diode laser for cavity ring-down spectroscopy
• Power Requirements and Consumption : 100–240 VAC, 47–63 Hz; <260 W start-up; 125 W steady-state (analyzer), 35 W (pump)
• Environmental requirements : Operating temperature: +10 to 35°C; Humidity: <99% RH non-condensing
• Dimensions and Weight: Analyzer: 43 cm W × 46 cm D × 18 cm H; Weight: 25.4 kg (including external pump)