ABB AO2020 Gas Analyzer

• Measurement Objects: Supports gases such as CO, CO₂, SO₂, NO, NH₃, H₂O, CH₄, and other hydrocarbons
• Measurement Range: Automatic range switching with minimum ranges of 0-10 ppm for CO and 0-5 ppm for CO₂
• Accuracy: Linear error of ±0.5% FS (Full Scale), repeatability of ±0.05% FS
• Response Time: T90 time less than 3 seconds
• Stability: Zero drift of ±0.2 mg/24h, full-scale drift of ±1.0%/24h
• Output Signals: Analog output of 0/2/4-20 mA (load 750 Ω), supports RS232/RS485 communication interfaces
• Power Supply: 100-240 VAC ±10%, 48-63 Hz
• Operating Temperature: -20°C to +55°C (extendable to -40°C to +70°C with certain configurations)
• Protection Class: Up to IP65 (with certain configurations)
• Weight: Approximately 15 kg for single-channel configuration, 21 kg for dual-channel configuration
• Dimensions: 483 mm (W) x 412(597) mm (D) x 177 mm (H) for main unit

Functional Characteristics

• High Precision and Stability: Utilizes NDIR technology for accurate and stable gas measurement, ensuring reliable data for process control and environmental monitoring.
• Modular Design: Host and analysis modules are separated, allowing flexible configuration of single or dual channels. Supports up to four analysis modules in one system for simultaneous measurement of six sample components.
• Fast Response and High Sensitivity: T90 response time less than 3 seconds, enabling real-time monitoring of gas concentration changes.
• Automatic Calibration and Self-Diagnosis: Supports automatic calibration with air or standard gases, reducing manual intervention. Provides detailed error information output for easy fault diagnosis and maintenance.
• Robust Construction: Designed for harsh industrial environments with high protection class and wide operating temperature range. Certified for use in potentially explosive atmospheres (ATEX, IECEx, CSA).
• Easy Integration: Provides standard communication interfaces and protocols (Modbus, RS232/RS485) for seamless integration with upper-level systems, supporting Industry 4.0 digital integration requirements.

Application Scenarios

• Industrial Process Control:
  • Petrochemical Industry: Monitors gas concentrations in ethylene and propylene production processes to optimize reaction conditions and reduce raw material loss.
  • Steel Industry: Analyzes gas components in blast furnaces and converters to improve combustion efficiency and reduce emissions.
  • Thermal Processing: Monitors the purity of protective gases (such as nitrogen and hydrogen) to ensure product quality.
• Environmental Monitoring:
  • Power Plants: Monitors O₂, CO₂, and CO concentrations in flue gases from coal-fired and gas-fired power plants to optimize combustion and reduce emissions.
  • Waste Incineration: Real-time monitoring of harmful gas emissions (such as SO₂ and NOx) to ensure compliance with environmental regulations.
  • Urban Air Quality: Detects harmful gas concentrations in streets or industrial areas to support environmental management decisions.
• Special Applications:
  • Fermentation Process: Monitors CO₂ and O₂ concentrations to control fermentation conditions.
  • Packaging Industry: Detects the purity of protective gases (such as nitrogen) to extend product shelf life.
  • Oil and Gas Field Exploitation: Analyzes the composition of associated gases to guide exploitation strategies.
  • Biomass Power Generation: Optimizes the combustion process to improve energy utilization efficiency.
  • Natural Gas Pipelines: Monitors gas composition to ensure transmission safety and quality.