Biogas Analyzer
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| Brand | ADEV |
|---|---|
| Origin | Italy |
| Model | GY-2000 |
| Measurement Range | CH₄: 0–100% vol, CO₂: 0–50% vol, H₂S: 0–9999 ppm, O₂: 0–20% vol, pH: 0–14, Temperature: 0–100°C, Pressure: 0–100 kPa |
| Resolution | 0.01% (for gas vol%), ppm-level detection for H₂S |
| Response Time | ≤30 s |
| Detection Principles | Non-dispersive Infrared (NDIR) for CH₄/CO₂, Electrochemical for H₂S/O₂, Potentiometric for pH, RTD/Thermistor for T, Piezoresistive for P |
| Brand | ADOS |
|---|---|
| Origin | Germany |
| Model | Biogas 401 |
| Gas Measurement Principles | Electrochemical (O₂, H₂S), Non-Dispersive Infrared (NDIR) (CH₄, CO₂), Thermal Conductivity (H₂) |
| Measurement Ranges | O₂: 0–21 %vol |
| H₂S | 0–50 ppm / 0–5000 ppm (selectable) |
| CH₄ | 0–100 %vol |
| CO₂ | 0–50 %vol |
| H₂ | 0–2 %vol |
| Accuracy | < ±2 % FS |
| Response Time (T90) | ≤ 30 s (typ.) |
| Operating Temperature | +5 °C to +45 °C |
| Power Supply | 230 V AC, 50 Hz / 115 V AC, 60 Hz |
| Power Consumption | 100 VA |
| Dimensions (W×H×D) | 600 × 478 × 500 mm |
| Weight | ~61 kg |
| Output Interfaces | Dual 4–20 mA per channel (6 channels max), RS232/RS485 serial interface, 3 configurable alarm relays + 1 fault relay (230 V, 450 VA) |
| Sample Handling | Peltier-cooled condensate trap, peristaltic sampling pump, adjustable flow control, multi-stage particulate & moisture filtration |
| Brand | Axetris |
|---|---|
| Origin | Switzerland |
| Model | LGD Compact-A CH4/C2H6 |
| Measurement Range | 0–100 ppm / 4% CH₄ & 0–1000 ppm C₂H₆ |
| Resolution | ±0.8 ppm (CH₄, low range) & ±15 ppm (C₂H₆) |
| Minimum Detectable Range | 0–100 ppm CH₄ & 0–1000 ppm C₂H₆ |
| Response Time (T90) | <2 s |
| Operating Principle | Tunable Diode Laser Spectroscopy (TDLS) |
| Product Type | Biogas & Natural Gas Analysis Module |
| Compliance | CE, RoHS, REACH |
| Integration Form Factor | OEM-ready compact module (PCB-mountable, 32 × 32 × 12 mm) |
| Brand | BCC |
|---|---|
| Model | MGA-6000 |
| Measurement Principle | Tunable Diode Laser Absorption Spectroscopy (TDLAS) |
| Response Time (T90) | ≤20 s |
| Measurement Range | 0–8000 mg/Nm³ |
| Minimum Detectable Range | 0–500 mg/Nm³ |
| Resolution | 0.1 mg/Nm³ |
| Zero Drift | ≤±1.5% FS |
| Span Drift | ≤±1.5% FS |
| Linearity Error | ≤±2% |
| Operating Temperature | 10–30 °C |
| Power Consumption | ≤120 W |
| Output Signals | 4–20 mA, RS232/RS485, USB, Ethernet |
| Alarm Outputs | High/Low H₂S concentration, sample flow fault (dry contact) |
| Brand | CUBIC INSTRUMENTS |
|---|---|
| Origin | Hubei, China |
| Model | Gasboard-9031EX |
| Measurement Principle | NDIR + Electrochemical + Thermal Conductivity (TCD) |
| Response Time | 15 s (NDIR channels) |
| Measurement Range | CO/CO₂/CH₄/H₂: (0–100) % vol |
| O₂ | (0–25) % vol |
| C₂H₂/C₂H₄/CnHm (hydrocarbons) | (0–10) % vol (optional) |
| Resolution | CO/CO₂/CH₄/C₂H₂/C₂H₄/CnHm: ±1 % FS |
| H₂/O₂ | ±2 % FS |
| Explosion Protection | Ex d IIC T4 Gb |
| Output Interfaces | RS-232 / RS-485 / (4–20) mA / Ethernet |
| Display | LCD |
| Auto-calibration | Built-in zero-air pump with automatic air zeroing |
| Brand | CUBIC INSTRUMENTS |
|---|---|
| Origin | Hubei, China |
| Model | Gasboard-3100P |
| Measurement Principle | NDIR (CO, CO₂, CH₄, C₂H₂, C₂H₄, CnHm), TCD (H₂), ECD (O₂) |
| Response Time | T₉₀ < 15 s (NDIR) |
| Measurement Range | CO/CO₂/CH₄/H₂: (0–100)% |
| O₂ | (0–25)% |
| C₂H₂/C₂H₄/CnHm | (0–10)% (optional) |
| Resolution | 0.01% |
| Repeatability | ≤1% FS |
| Linearity Error | ±1% FS (NDIR gases) |
| Sample Flow Rate | 0.7–1.2 L/min |
| Inlet Pressure | 2–50 kPa |
| Dimensions (L×W×H) | 412 × 152 × 294 mm |
| Weight | 9 kg |
| Power | Rechargeable Li-ion battery |
| Communication | RS-232 |
| Thermal Value Units | kcal/m³ and MJ/m³ (switchable) |
| Self-Diagnostic Function | Yes |
| Sample Requirements | Dust-free, moisture-free, oil-free |
| Brand | CUBIC INSTRUMENTS |
|---|---|
| Origin | Hubei, China |
| Model | Gasboard-3200 |
| Measurement Range | CH₄: (0–100)%, CO₂: (0–50)%, H₂S: (0–9999) ppm, O₂: (0–25)% |
| Resolution | CH₄/CO₂/O₂: 0.01% |
| H₂S | 1 ppm |
| Response Time | T₉₀ < 10 s (NDIR) |
| Principle | Non-Dispersive Infrared (NDIR) + Long-Life Electrochemical Detection (ECD) |
| Brand | FPI |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | LGA-C300 |
| Product Type | Coal Gas Calorific Value Analyzer |
| Measurement Principle | Tunable Diode Laser Absorption Spectroscopy (TDLAS) |
| Sample Compatibility | Coal gas, coke oven gas, blast furnace gas, and mixed industrial fuel gases |
| Safety Certification Option | ATEX/IECEx-certified explosion-proof probe available |
| Data Output | 4–20 mA, RS485, Modbus TCP, optional OPC UA |
| Compliance Framework | Designed to support GLP/GMP-aligned operational records and ASTM D1826 / ISO 6976–2016–based calorific value calculation protocols |
| Brand | Geotech (UK) |
|---|---|
| Origin | USA |
| Model | EA 5K (GA 5000) |
| Measurement Range | 0–10,000 ppm |
| Response Time | ≤10 s |
| Principle | Electrochemical sensing, NDIR infrared analysis, H₂-compensated CO detection |
| Certifications | ATEX II 2G Ex ib IIA T1 Gb, IECEx, UKAS ISO/IEC 17025 (Ref. No. 4533), MCERTS (under application), CSA |
| Brand | LUMEX |
|---|---|
| Origin | USA |
| Model | RP100SC |
| Sample Pressure Range | Up to 6000 PSIG → Adjustable Output: 0–100 PSIG |
| Response Time | ≤1 s |
| Mercury Detection Compatibility | ppm-level Hg analysis |
| Thermal Control | Dual-stage heat exchangers + Joule–Thomson compensation via electrically heated inlet |
| Safety Certification | Suitable for Class I, Division 2 hazardous areas |
| Surface Treatment | SilcoNert®2000 inert passivation |
| Flow Path Configuration | Helical long-path regulator |
| Filtration | Integrated particulate filter at inlet |
| Interface Options | Tedlar® bag coupling + direct online integration with mercury analyzers (e.g., RP-915NG) |
| Compliance | SY/T 7321–2016 (Determination of Mercury in Wellhead Natural Gas by Differential Method) |
| Brand | Yuntang |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GC-R1 |
| Product Category | Natural Gas Analyzer |
| Dimensions | 540 × 390 × 360 mm (L×W×H) |
| Power Supply | AC 220 V |
| Column Oven Temperature Range | 5 °C above ambient to 200 °C (±0.1 °C stability) |
| Carrier Gas | Ultra-High-Purity Hydrogen (≥99.995%) |
| Detector | Thermal Conductivity Detector (TCD), Sensitivity ≥3000 mV·mL/mg (benzene), Noise ≤0.02 mV |
| Retention Time Precision | ≤0.02 min |
| Quantitative Repeatability | RSD ≤1% |
| Sample Compatibility | LPG, LNG, CNG, coalbed methane, shale gas, biogas, refinery off-gas, coke oven gas, blast furnace gas, and pipeline natural gas |
| Output Parameters | Methane, Ethane, Propane, n-Butane, i-Butane, Pentanes (n-/i-), C6+, CO₂, N₂, O₂, H₂, CO, DME, methanol, ethylene, propylene, butenes, Wobbe Index, Gross/Net Calorific Value (MJ/m³), Density, Relative Density, Combustion Potential |