Picarro G2131-i

Analyzer for δ¹³C in CO₂ with <0.1‰ precision. Simultaneously measures CO₂ and CH₄ concentrations with H₂O corrections. Designed for atmospheric and environmental research applications.

• Status: Active
• Country: United States of America
• Isotopic: Yes
• Analyte Type / Target Of Analysis: Light stable isotopes (C, N, S, O, H)
• Measurable Isotopes/Elements: δ¹³C in CO₂
• Precision
  : δ¹³C in CO₂: <0.1‰ (>380 ppm CO₂); CO₂: ±200 ppb; CH₄: ±50 ppb; H₂O: ±100 ppm (30 s averages)
• Drift
  : <0.5‰ (24 hrs, 1 hr interval averages)
• Measurement Range
  : CO₂: 380–2000 ppm (guaranteed); CH₄: 0–500 ppm (guaranteed); H₂O: 0–2.4% (guaranteed)
• Measurement Rate
  : ~2 seconds (includes H₂O and CH₄ measurements)
• Probed Volume: Gas sample chamber; typical flow rate: ~25 sccm at 760 Torr
• Throughput
  : Not applicable for discrete sampling
• Laser
  : Tunable diode laser
• Power Specifications: 100–240 VAC, 47–63 Hz; <260 W start-up; 125 W steady-state (analyzer), 80 W (pump)
• Environmental Specifications: Operating temperature: +10 to 35°C; Humidity: <99% RH non-condensing
• Physical Specifications: Analyzer: 43 cm W × 18 cm H × 45 cm D; Weight: 20.9 kg (analyzer), 6.5 kg (external pump)