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| Brand | Picarro |
|---|---|
| Origin | USA |
| Model | G2401-m |
| Instrument Type | Portable |
| Detection Targets | CO, CO₂, CH₄, H₂O |
| Response Time | ≤ 3.5 s |
| Measurement Principle | Cavity Ring-Down Spectroscopy (CRDS) |
| Operating Temperature Range | 10–35 °C |
| Sample Pressure Range | 250–1000 Torr (40–133 kPa) |
| Sample Flow Rate | < 0.6 slm at >250–1000 Torr |
| Weight | 31.75 kg (incl. external pump) |
| Dimensions (Analyzer) | 44.6 × 17.8 × 43.2 cm |
| Power Requirement | 100–240 VAC, 47–63 Hz |
| Brand | Picarro |
|---|---|
| Origin | USA |
| Model | G2311-f |
| Instrument Type | Portable |
| Detection Targets | Multi-component (CO₂, CH₄, H₂O) |
| Measurement Principle | Cavity Ring-Down Spectroscopy (CRDS) |
| Sampling Mode | Simultaneous 10 Hz continuous measurement |
| Calibration | Built-in water vapor correction for dry-mole-fraction reporting |
| Compliance | Designed for eddy covariance, gradient, and chamber-based flux quantification per USDA ARS, FLUXNET, and ICOS protocols |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 911-0035 |
| Pricing | Available Upon Request |
| Brand | Picarro |
|---|---|
| Origin | USA |
| Model | G2920 |
| Instrument Type | Portable |
| Detection Targets | C₂H₄O, CO₂, CH₄, H₂O |
| Detection Principle | Cavity Ring-Down Spectroscopy (CRDS) |
| Detection Limit (3σ, 300 s) | 100 ppt for C₂H₄O |
| Measurement Interval | < 2 s |
| Response Time (10–90%) | < 10 s |
| Operating Temperature Range | −10 °C to 80 °C (sample), 10 °C to 35 °C (ambient) |
| Pressure Control Accuracy | ±0.0002 atm |
| Temperature Control Accuracy | ±0.005 °C |
| Sample Flow Rate | ~250 sccm at 760 Torr |
| Humidity Tolerance | RH < 99% (non-condensing at 40 °C) |
| Dimensions (Analyzer) | 43.2 × 17.9 × 44.6 cm |
| Weight (Analyzer) | 21.3 kg |
| Brand | Picarro |
|---|---|
| Origin | USA |
| Model | G2509 |
| Instrument Type | Online Analyzer |
| Detection Targets | N₂O, CH₄, CO₂, NH₃, H₂O |
| Measurement Principle | Cavity Ring-Down Spectroscopy (CRDS) |
| Sensitivity | <5 ppb (N₂O, CH₄, NH₃), <600 ppb (CO₂), <500 ppm (H₂O) |
| Response Time (10–90%) | ≤8 s (N₂O, CH₄, CO₂, H₂O), <2 min (NH₃) |
| Accuracy (1σ, 5-min avg) | ≤0.6 ppb (N₂O), ≤0.1 ppb (CH₄), ≤3 ppb (NH₃), ≤38 ppb (CO₂), ≤0.04 ppb (H₂O), ≤100 ppm (H₂O) |
| Operating Temperature | 10–35 °C |
| Sample Flow Rate | ~1.3 slpm |
| Pressure Range | 300–1000 Torr |
| Humidity Tolerance | RH <99% (non-condensing), dew point up to 25 °C |
| Power | 100–240 VAC, 47–63 Hz, 375 W max (startup), 270 W steady-state (analyzer + pump) |
| Brand | Picarro |
|---|---|
| Origin | USA |
| Model | G2910 |
| Instrument Type | Portable |
| Detection Targets | Multi-component gases (C₂H₄O, CO₂, CH₄, H₂O) |
| Measurement Technology | Cavity Ring-Down Spectroscopy (CRDS) |
| Detection Limit (3σ, 300 s) | 250 ppt (C₂H₄O) |
| Zero Drift (72 h, peak-to-peak, 50-min avg) | 750 ppt |
| Accuracy (1σ, 300 s) | 70 ppt + 0.02% of reading (C₂H₄O) |
| Response Time (10–90%) | <10 s |
| Measurement Interval | <2 s |
| Operating Temperature Range | −10 to 80 °C (sample) |
| Sample Flow Rate | ~250 sccm at 760 Torr |
| Pressure Control | ±0.0002 atm |
| Temperature Control | ±0.005 °C |
| Sample Humidity | RH <99% at 40 °C (non-condensing) |
| Dimensions (Analyzer) | 43.2 × 17.9 × 44.6 cm (W×H×D) |
| Weight (Analyzer) | 21.3 kg |
| Power Requirement | 100–240 VAC, 47–63 Hz |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model Numbers | 907-0028, 914-0028 |
| Pricing | Upon Request |
| Brand | LGR |
|---|---|
| Origin | USA |
| Model Numbers | 907-0001, 908-0001, 911-0001 |
| Measurement Principle | Off-Axis Integrated Cavity Output Spectroscopy (OA-ICOS) |
| CH₄ Range (standard) | 0.1–100 ppm |
| CH₄ Range (extended) | up to 1000 ppm or 0–10% vol |
| H₂O Range | 7000–70000 ppm (0–100% RH) |
| Precision (1σ, 1 s) | CH₄: 1 ppb, H₂O: 100 ppm |
| Precision (1σ, 100 s) | CH₄: 0.3 ppb, H₂O: 30 ppm |
| Drift (24 h, EP model) | CH₄: 0.8 ppb, H₂O: max(100 ppm, 1% of reading) |
| Accuracy (uncalibrated) | <1% (standard), <0.03% (EP) |
| Sampling Rate | 0.01–20 Hz |
| Operating Temperature | 5–45 °C (standard), 0–45 °C (EP) |
| Power | 80 W (standard), 150 W (EP) |
| Dimensions & Weight | varies by configuration (e.g., rack-mount EP: 35.6 × 48.3 × 61 cm, 40 kg) |
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