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| Brand | Lingxi Optoelectronics |
|---|---|
| Origin | Zhejiang, China |
| Model | HGA-331 |
| Measurement Principle | Cavity Ring-Down Spectroscopy (CRDS) |
| Detection Gases | CO₂, CH₄, H₂O (simultaneous) |
| Sensitivity | < 1 ppb (for CO₂ and CH₄) |
| Compliance | WMO Global Atmosphere Watch (GAW) Performance Specifications |
| Temperature & Pressure Control | Integrated active thermal and barometric stabilization |
| Output | Dry-mole-fraction concentrations (H₂O-corrected) |
| Data Logging | Internal storage + Ethernet/RS-232/USB interfaces |
| Brand | Lingxi Optoelectronics |
|---|---|
| Origin | Zhejiang, China |
| Model | HGA-431 |
| Detection Gases | N₂O, CO, H₂O |
| Measurement Range | 1–1500 ppb |
| Sensitivity | Sub-ppt (≤0.1 ppt) |
| Compliance | WMO Compatibility for Atmospheric Monitoring Stations |
| Water Vapor Correction | Integrated proprietary algorithm for dilution correction and dry-mole-fraction output |
| Technology | Mid-Infrared Cavity Ring-Down Spectroscopy (Mid-IR CRDS) |
| Environmental Rating | Industrial-grade enclosure for continuous unattended operation |
| Brand | Lingxi Optoelectronics |
|---|---|
| Origin | Zhejiang, China |
| Model | HGA-341 |
| Measurement Principle | Cavity Ring-Down Spectroscopy (CRDS) |
| Detection Gases | CO₂, CO, CH₄, H₂O (simultaneous) |
| Sensitivity & Accuracy | Sub-ppb level |
| Compliance | WMO GAW Performance Specifications |
| Output | Dry-mole-fraction concentrations with H₂O dilution correction |
| Effective Optical Path Length | ~20 km in compact cavity |
| Brand | Lingxi Optoelectronics |
|---|---|
| Origin | Zhejiang, China |
| Model | HGA-351 |
| Measurement Principle | Cavity Ring-Down Spectroscopy (CRDS) |
| Target Gases | CO₂, CH₄, NH₃, N₂O, H₂O |
| Detection Sensitivity | <1 ppb (for CO₂, CH₄, N₂O) |
| Water Vapor Correction | Integrated proprietary algorithm for dilution correction and dry-mole-fraction output |
| Operating Environment | Temperature- and pressure-stabilized optical cavity |
| Compliance | Designed for GLP-compliant environmental monitoring |
| Dimensions | Compact cavity design enabling effective optical path length >20 km in <1 L volume |
| Brand | LINGXI Optoelectronics |
|---|---|
| Origin | Zhejiang, China |
| Model | HGA-321 |
| Detection Principle | Cavity Ring-Down Spectroscopy (CRDS) |
| Detectable Gases | CO₂, CH₄, NH₃, N₂O, H₂O |
| Compliance | Designed for environmental monitoring per ISO 14001-aligned field deployment |
| Software | Embedded real-time spectral processing with audit-trail logging |
| Data Output | RS232/RS485, Ethernet, optional analog 4–20 mA |
| Operating Temperature | 15–35 °C |
| Power Supply | 100–240 VAC, 50/60 Hz |
| Brand | Lingxi Optoelectronics |
|---|---|
| Origin | Zhejiang, China |
| Model | HGA-331p |
| Measurement Principle | Cavity Ring-Down Spectroscopy (CRDS) |
| Target Gases | CO₂, CH₄, H₂O |
| Detection Sensitivity | Sub-ppb level |
| Power Supply | Rechargeable Li-ion battery (8 h continuous operation) |
| Connectivity | Integrated Wi-Fi, USB 2.0, Ethernet |
| Operating Temperature | 10–35 °C |
| Dimensions | Compact portable form factor (< 4.5 kg) |
| Compliance | Designed for field-deployable environmental monitoring per ISO 14064-1 and EPA Method TO-15 adjunct principles |
| Brand | LINGXI Optoelectronics |
|---|---|
| Origin | Zhejiang, China |
| Model | LXEC-210C |
| Measurement Principle | Non-Dispersive Infrared (NDIR) Spectroscopy |
| Measured Gases | CO₂ and H₂O |
| Gas Path Configuration | Closed-Path |
| Compliance Context | Designed for long-term eddy covariance flux measurements per AmeriFlux/ICOS protocols |
| Data Integrity Features | Automated zero calibration, temperature-stabilized optical bench, high-frequency sampling (up to 20 Hz) |
| Environmental Robustness | IP65-rated enclosure, -25 °C to +50 °C operating range, condensation-resistant sample line heating |
| Brand | LINGXI Optoelectronics |
|---|---|
| Model | LXEC-210 |
| Measurement Principle | Non-Dispersive Infrared (NDIR) Spectroscopy |
| Target Gases | CO₂, H₂O |
| Origin | Zhejiang, China |
| Gas Detection Configuration | Open-path, in-situ |
| Power Consumption | Low-power design, no pump required |
| Compliance Context | Designed for field-deployable eddy covariance (EC) flux measurements per AmeriFlux/ICOS protocols |
| Sample Interface | Direct atmospheric sampling, no inlet tubing or sample cell |
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