Greenhouse Gas Monitoring Instrument
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| Brand | ABB |
|---|---|
| Origin | Canada |
| Model | GLA131-GGA |
| Detection Gases | CH₄ (0–100 ppm, optional 0–5%), CO₂ (0–20,000 ppm), H₂O (0–30,000 ppm) |
| Response Time | 3 s (1/e) |
| Warm-up to Data Logging | ≤20 s |
| Dimensions | 12 cm H × 34 cm W × 29.5 cm D |
| Weight (incl. battery) | <5.5 kg |
| Power Consumption | <35 W |
| Precision (1σ, 1s/10s/100s) | CH₄: 1 ppb / 0.4 ppb / 0.2 ppb |
| CO₂ | 0.4 ppm / 0.2 ppm / 0.1 ppm |
| H₂O | 200 ppm / 60 ppm / 30 ppm |
| Operating Temperature | 5–45 °C |
| Sample Temperature Range | −40–50 °C |
| Relative Humidity | 0–98% RH (non-condensing) |
| Data Output | SD card storage, Wi-Fi, USB, Ethernet, analog outputs |
| Brand | ABB |
|---|---|
| Origin | Canada |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | GLA132 |
| Price | Upon Request |
| Accuracy | < 1% uncertainty (uncalibrated, 5–45 °C) |
| Measured Gases & Ranges | CH₄ (0.01–100 ppm), CO₂ (200–20,000 ppm), NH₃ (1–10,000 ppb), H₂O (500–30,000 ppm) |
| Detection Principle | Fourth-Generation Cavity-Enhanced Absorption Spectroscopy (CEAS) |
| Power Consumption | < 70 W |
| Warm-up Time | < 2 min |
| Data Output Rate | 0.01–1 Hz (user-selectable) |
| Operating Temperature | 5–45 °C |
| Sample Temperature Range | −10–50 °C |
| Relative Humidity | 0–98% RH (non-condensing) |
| Dimensions | 47 × 35.6 × 17.8 cm (18.5″ × 14″ × 7″) |
| Weight | 17 kg |
| Compliance | CE, RoHS, FCC Class A |
| Data Storage | Internal Linux-based SSD with indefinite logging |
| Remote Access | Web-based GUI via Ethernet (HTTPS), full instrument control and diagnostics |
| Brand | ABB |
|---|---|
| Origin | Canada |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | GLA133 |
| Detection Gases & Ranges | CH₄ (0–100 ppm standard |
| Response Time | 2.5 Hz (1/e) |
| Power Consumption | <35 W |
| Weight | <3 kg |
| Measurement Rate | Up to 10 Hz |
| Technology | Off-Axis Integrated Cavity Output Spectroscopy (OA-ICOS) |
| Brand | ABB |
|---|---|
| Origin | Canada |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | GLA151-N2OCM |
| Price | Upon Request |
| Measured Gases & Ranges | Simultaneous N₂O and CO detection |
| Detection Limits (1σ, 10 sec) | N₂O ≤ 0.2 ppb, CO ≤ 0.2 ppb, H₂O ≤ 40 ppm |
| Linear Range | N₂O up to 4 ppm, CO up to 4 ppm, H₂O up to 30,000 ppm |
| Operating Temperature | 5–45 °C |
| Relative Humidity | <99% RH (non-condensing) |
| Measurement Rate | 0.01–10 Hz (user-selectable) |
| Flow Response Time | <30 s (1/e), <10 s (1/e) with ACC-DP3H external diaphragm pump |
| Water Vapor Correction | Real-time spectroscopic correction for dilution and pressure broadening effects |
| Brand | ABB |
|---|---|
| Origin | Canada |
| Model | GLA231 |
| Detection Gases | H₂O, NH₃, HCl, HF |
| Detection Range | Sub-ppb to % level (gas-dependent) |
| Output Options | 0–5 V DC, 4–20 mA, Modbus TCP (optional) |
| Operating System | Embedded Linux |
| Data Storage | Internal HDD with full spectral logging |
| Remote Access | Web-based GUI via Ethernet/IP |
| Calibration | Factory-certified, field-zero capable |
| Display | Integrated touchscreen interface |
| Security | Password-protected configuration and data access |
| Compliance | Designed for industrial process safety and AMC monitoring per SEMI F21, ISO 14644-8, and EPA Method TO-15 context |
| Brand | ABB |
|---|---|
| Origin | Canada |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | GLA331-GGA |
| Price | Upon Request |
| Measured Gases & Ranges | CH₄ (0–100 ppm), CO₂ (0–20,000 ppm), H₂O (0–30,000 ppm) |
| Measurement Speed | Up to 10 Hz (GGA configuration) |
| CH₄ Precision (1σ, 1 s / 10 s / 100 s) | 0.6 ppb / 0.2 ppb / 0.1 ppb |
| CO₂ Precision (1σ, 1 s / 10 s / 100 s) | 150 ppb / 50 ppb / 20 ppb |
| H₂O Precision (1σ, 1 s / 10 s / 100 s) | 150 ppm / 50 ppm / 17 ppm |
| Maximum Drift (15-min avg, STP, 24 h) | CH₄ < 3 ppb, CO₂ < 0.2 ppm |
| Flow Response Time (1/e) | <10 s (standard), 0.1 s (with optional ACC-DS35 dry scroll pump) |
| Brand | ABB |
|---|---|
| Origin | Canada |
| Model | GLA351-N2OCM |
| Detection Gases & Ranges | N₂O (0–4 ppm, extended to 40 ppm), CO (0–4 ppm, extended to 40 ppm), H₂O (0–30,000 ppm, <99% RH, non-condensing) |
| Accuracy (1σ, 1 s / 10 s / 100 s) | N₂O: 0.1 / 0.04 / 0.02 ppb |
| CO | 0.2 / 0.06 / 0.03 ppb |
| H₂O | 50 / 20 / 10 ppm |
| Max Drift (24 h, STP, 15-min avg) | N₂O <1 ppb, CO <1 ppb |
| Measurement Rate | 0.01–1 Hz (standard), up to 10 Hz with high-flow option |
| Flow Response Time | <12 s (1/e), <10 s with high-flow option |
| Data Outputs | Ethernet, Wi-Fi, USB, RS-232 |
| Power | 110/240 VAC, 50/60 Hz |
| Dimensions | 50 × 48 × 86 cm (H×W×L) |
| Weight | 68 kg |
| Brand | ABB |
|---|---|
| Origin | Canada |
| Model | Sensi+ |
| Detection Gases & Ranges | H₂S, H₂O, CO₂ in natural gas |
| Response Time | Simultaneous continuous monitoring |
| Technology Principle | Off-Axis Integrated Cavity Output Spectroscopy (OA-ICOS) |
| Application Field | Oil & Gas transmission and processing |
| Certifications | ATEX/IECEx Zone 1 certified |
| Installation | Wall-mounted, direct pipeline tap-in |
| Sample Flow Requirement | ~1/6 of conventional analyzers |
| Calibration | Factory-calibrated, zero maintenance calibration in field operation |
| Software Features | AnalyzerExpert™ with real-time interference compensation, laser beam lock, health monitoring, and self-diagnostics |
| Brand | ABB |
|---|---|
| Origin | Canada |
| Model | EL3000 |
| Measurement Principle | Non-Dispersive Infrared (NDIR) Spectroscopy |
| Accuracy | ≤ 1% of full scale |
| CO₂ Measurement Range | 0–5 ppm to 95–100 vol% |
| Response Time (T₉₀) | 2.5 s |
| Repeatability | ≤ 0.5% of full scale |
| Brand | Aeris Technologies |
|---|---|
| Origin | USA |
| Model | MIRA Ultra |
| Detection Principle | Multi-pass Absorption Cell Coupled with Solid-State Mid-Infrared Laser Spectroscopy |
| Precision | CH₄: <1 ppb/s, N₂O: <200 ppt/s, CO₂: <200 ppb/s |
| Measurement Ranges | CH₄: 10 ppb – 10,000 ppm |
| N₂O | <2 ppb – 500 ppm |
| CO₂ | <10 ppm – 10% |
| H₂O | Full-range humidity compensation |
| Optical Path Length | 15 m in 60 mL cell volume |
| Data Output Rate | 1–10 Hz (configurable) |
| Dimensions | 45.7 × 38.1 × 17.8 cm (W×D×H) |
| Weight | 8.5 kg |
| Power Consumption | 25 W |
| Operating Temperature | 10–40 °C |
| Relative Humidity | 10–95% RH (non-condensing) |
| Internal Battery Life | 6 hours |
| Communication Interfaces | Wi-Fi, USB, RS-232, Analog Output (optional) |
| Onboard Storage | 32 GB (expandable) |
| Brand | AeroNose |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | HT8500 |
| Detection Principle | Tunable Diode Laser Absorption Spectroscopy (TDLAS) with Quantum Cascade Laser (QCL) |
| Target Gas | Nitrous Oxide (N₂O) |
| Measurement Range | 0–5000 ppb |
| Precision | <0.5 ppb (@ 0.1 s integration time, @ 330 ppb, under standard temperature and pressure) |
| Optical Path | Open-path, non-contact |
| Compliance | Designed for field-deployable environmental monitoring per ISO 14064-1, EPA Method TO-15 (principle alignment), and EU Directive 2008/50/EC ambient air quality assessment frameworks |
| Brand | AeroNose |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | HT8600 |
| Pricing | Available upon Request |
| Measurement Principle | Tunable Diode Laser Absorption Spectroscopy (TDLAS) |
| Target Gas & Range | CH₄: 0–15,000 ppb |
| Precision | <5 ppb (@0.1 s integration time, 2000 ppb CH₄, standard temperature & pressure) |
| Response Time (T₉₀) | <15 s |
| Detection Method | Real-time spectral absorption peak integration for trace gas concentration retrieval |
| Application Domain | Environmental monitoring, agricultural emissions assessment, industrial fugitive emission control |
| Brand | AeroNose |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | HT8600P |
| Measurement Principle | Tunable Diode Laser Absorption Spectroscopy (TDLAS) |
| Detection Gases & Ranges | CH₄: 0–15,000 ppb |
| H₂O | 0–30,000 ppm |
| Precision | CH₄: ±5 ppb (@0.1 s averaging, 2000 ppb reference, STP conditions) |
| H₂O | ±20 ppm (@0.1 s averaging, 10,000 ppm reference, STP conditions) |
| Response Time | <15 s |
| Data Integration Method | Real-time spectral absorption peak integration for trace gas concentration retrieval |
| Brand | AeroNose |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | HT8800 Series |
| Price | USD 280,000 (FOB) |
| Measurement Principle | Tunable Diode Laser Absorption Spectroscopy (TDLAS) in Mid-Infrared Region |
| Target Gases | CO₂, CH₄, N₂O, H₂O |
| Detection Limits | CO₂: ±0.5 ppm (at 400 ppm) |
| CH₄ | ±3 ppb (at 2 ppm), ±0.5 ppb for HT8840 variant |
| N₂O | ±0.5 ppb (at 330 ppb), ±0.7 ppb for HT8820 variant |
| H₂O | ±10 ppm (at 10,000 ppm) |
| Measurement Ranges | CO₂: 0–5000 ppm |
| CH₄ | 0–15 ppm |
| N₂O | 0–6 ppm |
| H₂O | 0–30,000 ppm |
| Response Time (T₉₀) | ≤30 s |
| Operating Temperature | −10 °C to +45 °C |
| Storage Temperature | −25 °C to +50 °C |
| Relative Humidity | <95% RH, non-condensing |
| Atmospheric Pressure Range | 70–110 kPa |
| Dimensions | 50 cm × 36 cm × 18 cm |
| Weight | <15 kg |
| Power Supply | 12 VDC / 10 A |
| Steady-State Power Consumption | <70 W |
| Data Storage | Integrated SD card or external data logger |
| Interface | RS232 serial port |
| Software Platform | Windows-based configuration and analysis suite |
| Brand | AeroNose |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | HT8810 |
| Price | USD 140,000 (approx.) |
| Measurement Principle | Tunable Diode Laser Absorption Spectroscopy (TDLAS) in Mid-Infrared Region |
| Target Gases | CO₂, H₂O |
| CO₂ Range | 0–5000 ppm |
| H₂O Range | 0–30000 ppm |
| CO₂ Accuracy | ±0.5 ppm @ 400 ppm |
| H₂O Accuracy | ±10 ppm @ 10000 ppm |
| Response Time (T₉₀) | <15 s |
| Operating Temperature | −10 °C to +45 °C |
| Storage Temperature | −25 °C to +50 °C |
| Relative Humidity | <95% RH, non-condensing |
| Atmospheric Pressure | 70–110 kPa |
| Dimensions | 50 cm × 36 cm × 18 cm |
| Weight | <15 kg |
| Power Supply | 12 VDC / 10 A |
| Steady-State Power Consumption | <70 W |
| Data Storage | Integrated SD card or external DAQ system |
| Communication Interface | RS232 serial port |
| Software Platform | Windows-based configuration and analysis suite |
| Brand | AeroNose |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer | AeroNose (OEM/ODM Producer) |
| Model | HT8820 |
| Detection Principle | Tunable Diode Laser Absorption Spectroscopy (TDLAS) in Mid-Infrared Band |
| Target Gases | CH₄ (0–15 ppm), N₂O (0–6 ppm) |
| Precision | CH₄: ±3 ppb (at 2 ppm), N₂O: ±0.7 ppb (at 330 ppb) |
| Response Time | <15 s |
| Operating Temperature | −10 °C to +45 °C |
| Storage Temperature | −25 °C to +50 °C |
| Humidity | <95% RH (non-condensing) |
| Pressure Range | 70–110 kPa |
| Dimensions | 50 cm × 36 cm × 18 cm |
| Weight | <15 kg |
| Power Supply | 12 VDC / 10 A |
| Power Consumption | <70 W (steady-state) |
| Data Storage | Integrated SD card or external DAQ system |
| Interface | RS232 serial port |
| Software | Windows-based configuration & acquisition suite |
| Brand | AeroNose |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer | AeroNose (OEM/ODM Capable) |
| Model | HT8830 |
| Technology Principle | Tunable Diode Laser Absorption Spectroscopy (TDLAS) in Mid-Infrared Region |
| Detection Gases & Ranges | CO₂: 0–5000 ppm |
| N₂O | 0–6 ppm |
| H₂O | 0–30000 ppm |
| Accuracy | CO₂: ±0.5 ppm @ 400 ppm |
| N₂O | ±0.5 ppb @ 330 ppb |
| H₂O | ±10 ppm @ 10000 ppm |
| Response Time | <15 s |
| Operating Temperature | −10 °C to +45 °C |
| Storage Temperature | −25 °C to +50 °C |
| Relative Humidity | <95% RH (non-condensing) |
| Atmospheric Pressure Range | 70–110 kPa |
| Dimensions | 50 cm × 36 cm × 18 cm |
| Weight | <15 kg |
| Power Supply | 12 VDC / 10 A |
| Power Consumption | <70 W (steady-state) |
| Data Storage | Integrated SD card or external DAQ system |
| Communication Interface | RS232 serial port |
| User Interface | Windows-based control and visualization software |
| Brand | AeroNose |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer | AeroNose (OEM/ODM Producer) |
| Model | HT8840 |
| Measurement Principle | Tunable Diode Laser Absorption Spectroscopy (TDLAS) |
| Detected Gases & Ranges | CO₂: 0–5000 ppm |
| CH₄ | 0–15 ppm |
| H₂O | 0–30000 ppm |
| Accuracy | CO₂: ±0.5 ppm (at 400 ppm) |
| CH₄ | ±0.5 ppb (at 2 ppm) |
| H₂O | ±10 ppm (at 10000 ppm) |
| Response Time | ≤30 s |
| Operating Temperature | −10 °C to +45 °C |
| Storage Temperature | −25 °C to +50 °C |
| Relative Humidity | <95% RH, non-condensing |
| Atmospheric Pressure Range | 70–110 kPa |
| Dimensions | 50 cm × 36 cm × 18 cm |
| Weight | <15 kg |
| Power Supply | 12 VDC / 10 A |
| Power Consumption | <70 W (steady-state) |
| Data Storage | Integrated SD card or external DAQ system |
| Communication Interface | RS232 serial port |
| User Interface | Windows-based control software |
| Brand | AeroNose |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | HT8850 |
| Price | USD 140,000 (approx.) |
| Measurement Principle | Tunable Diode Laser Absorption Spectroscopy (TDLAS) in Mid-Infrared Region |
| Target Gases | CO₂, CH₄, N₂O, H₂O |
| Detection Limits | CO₂: ±0.5 ppm (at 400 ppm) |
| CH₄ | ±3 ppb (at 2 ppm) |
| N₂O | ±0.5 ppb (at 330 ppb) |
| H₂O | ±10 ppm (at 10,000 ppm) |
| Measurement Ranges | CO₂: 0–5000 ppm |
| CH₄ | 0–15 ppm |
| N₂O | 0–6 ppm |
| H₂O | 0–30,000 ppm |
| Response Time | <30 s (t₉₀) |
| Operating Temperature | −10 °C to +45 °C |
| Storage Temperature | −25 °C to +50 °C |
| Relative Humidity | <95% RH (non-condensing) |
| Atmospheric Pressure Range | 70–110 kPa |
| Dimensions | 50 cm × 36 cm × 18 cm |
| Weight | <15 kg |
| Power Supply | 12 VDC / 10 A |
| Power Consumption | <70 W (steady-state) |
| Data Storage | Integrated SD card or external DAQ system |
| Communication Interface | RS-232 serial port |
| User Interface | Windows-based configuration and visualization software |
| Brand | AZ (Beijing Aozuo) |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | iChamber-G |
| Pricing | Upon Request |
| Data Logger CPU | 32-bit FPU processor, 180 MHz |
| Sensor Channels | 40 SDI-12 ports (expandable) |
| Memory | 512 MB |
| Display | 2.54" OLED |
| Connectivity | Integrated 4G module with embedded IoT SIM card |
| CH₄ Range | 0–100 ppm, Accuracy ≤10 ppb |
| N₂O Range | 0–100 ppm, Accuracy ≤10 ppb |
| CO₂ Range | 0–10,000 ppm, Accuracy ≤0.15 ppm |
| NO Range | 0–100 ppm, Accuracy ≤10 ppb |
| H₂O Range | 0–5% v/v, Accuracy ≤1 ppm |
| Soil Gas Probe Pore Size | 0.1 µm |
| Gas Exchange Surface Area | 110 cm² |
| Cavity Volume | 20 mL |
| Probe Diameter | 12 mm |
| Probe Length Options | 150 mm or 300 mm |
| Tubing Length | Standard 3 m (extendable to 5 m) |
| Brand | CUBIC INSTRUMENTS |
|---|---|
| Origin | Hubei, China |
| Model | Gasboard-3000GHG |
| Detection Principle | Micro-flow NDIR (CO₂/CH₄/N₂O/CO), Dual-beam NDIR (CO₂ high-range & CO mid-high range), Electrochemical (O₂) |
| Accuracy | ±1% F.S. (micro-flow NDIR), ±2% F.S. (dual-beam NDIR & ECD) |
| Measured Gases | CO₂, CH₄, N₂O, CO, O₂ |
| Response Time | T₉₀ < 25 s |
| Repeatability | ≤ ±1% |
| Flow Rate | 0.7–1.2 L/min |
| Sample Pressure | 2–50 kPa |
| Output | RS-485/RS-232, 4–20 mA |
| Power | 100–240 VAC, max 300 W (heating), stable 100 W |
| 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 | LI-COR |
|---|---|
| Origin | Germany |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Import Status | Imported |
| Model | LI-7815 |
| Detection Principle | Optical Feedback–Cavity Enhanced Absorption Spectroscopy (OF-CEAS) |
| CO₂ Range | 0–10,000 μmol/mol |
| H₂O Range | 0–60,000 μmol/mol |
| CO₂ Precision | 0.04 μmol/mol (1σ, 5-s average @ 400 μmol/mol) |
| Max Drift | < 0.2 μmol/mol per 24 h |
| CO₂ Response Time (T₁₀–T₉₀) | ≤2 s (0 → 400 μmol/mol) |
| H₂O Precision | 20 μmol/mol (1σ, 5-s average @ 10,000 μmol/mol) |
| Measurement Frequency | 1 Hz |
| Optical Cavity Volume | 6.41 cm³ |
| Sample Flow Rate | 250 sccm (standard), 70 sccm with low-flow accessory |
| Operating Temperature | −25 °C to +45 °C (non-direct-sunlight conditions) |
| Operating Humidity | 0–85% RH (non-condensing, non-direct-sunlight) |
| Sample Line Humidity | 0–99.9% RH (non-condensing) |
| Pressure Range | 70–110 kPa (extended mode: 50–110 kPa) |
| Power Consumption | 22 W (steady-state @ 25 °C) |
| Weight | 10.5 kg (including internal batteries) |
| Dimensions (L×H×W) | 51 × 33 × 18 cm |
| Connectivity | Ethernet and Wi-Fi (2.4 GHz, IEEE 802.11 a/b/g/n/ac) |
| Data Storage | Internal memory supports ≥3 months of 1-Hz data |
| 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-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 | 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-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 |
|---|---|
| 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 |
| 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 |