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IR-GAS-400H Portable Biogas Analyzer for CH₄, CO₂, H₂S, O₂, H₂ & CO Measurement

IR-GAS-400H Portable Biogas Analyzer for CH₄, CO₂, H₂S, O₂, H₂ & CO Measurement

handheld portable biogas analyzer
Category

IR-GAS-400H Portable Biogas Analyzer for CH₄, CO₂, H₂S, O₂, H₂ & CO Measurement

Introduction

Six-Gas Analysis for Biogas Production, Anaerobic Digestion and Landfill Monitoring.

Measured Gas: CH₄ | CO₂ | H₂S | O₂ | (H₂ & CO optional)

Technology: NDIR | Electrochemical (EC) Sensor | (TCD optional)

Configurations: Handhold

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Principle

  1. Non-Dispersive Infrared (NDIR) Measurement In portable biogas analyzer, it uses NDIR technology to measure methane (CH₄) and carbon dioxide (CO₂), two of the main components of biogas. Gas molecules such as CH₄ and CO₂ absorb infrared radiation at characteristic wavelengths. Inside the analyzer, infrared light passes through a gas measurement chamber. The detector measures the transmitted infrared intensity, and the analyzer determines the concentration of each target gas based on its infrared absorption characteristics.
  2. Electrochemical Gas Measurement In portable biogas analyzer, it uses Electrochemical sensors for hydrogen sulfide (H₂S), oxygen (O₂) and other supported gas channels according to the analyzer configuration. For H₂S measurement, gas molecules diffuse through a membrane into an electrochemical sensing cell, where a chemical reaction generates an electrical current proportional to the gas concentration. It uses an appropriate electrochemical oxygen sensor to measure Oxygen. The EC sensor allows operators to identify changes in O₂ concentration that may indicate air ingress or changes in process conditions.

Specifications

Product Model Portable Handhold
Measuring Gas CO2, H2S, O2, CH4 (CO, H2 optional)
Principle CO2, CH4: NDIR; H2S/O2: Electrochemical (EC) sensor
Range CH4: 0-100%; CO2: 0-50%; H2S: 0-9999ppm; O2: 0-25%
Accuracy CO2/CH4: ±2%FS; H2S/O2: ±2%FS
Resolution CO2/CH4/O2: 0.01%; H2S: 1ppm
Repeatability CO2/CH4/H2S/O2: ≤1%
Optimal Flow 0.7-1.2L/min
Inlet Pressure 2-50kPa
Response Time T90＜15s (NDIR)
Sample Gas Requirement Dust-free, water-free, oil-free
Communications RS232/RS485, USB, 4-20mA
Display 5-inch TFT LCD Touch Screen Display
Power AC220V, 50Hz. Built in rechargeable lithium battery power supply, external 12.6 charger
Function Configuration Built-in imported sampling air pump. With self-diagnosts function, the sensor status can be checked online.
 

Key Features

  • Simultaneous Six-Gas Measurement: Measures CH₄, CO₂, H₂S, O₂, H₂ and CO in one instrument, providing comprehensive biogas composition data for production monitoring and process evaluation.
  • NDIR Infrared Measurement Technology: Uses imported NDIR sensors for CH₄ and CO₂ measurement, providing stable optical detection of major biogas components without consuming the target gases.
  • Long-Life Electrochemical Sensors: Integrates electrochemical sensors for H₂S, O₂ and other supported gas components, enabling complementary measurement of gases that cannot be measured using conventional NDIR technology.
  • Advanced Digital Signal Processing: Processes multiple sensor signals to provide simultaneous gas concentration readings, helping operators monitor gas composition and identify process changes.
  • Portable On-Site Gas Analysis: Designed for field measurements at biogas production facilities, landfill sites, wastewater treatment plants and anaerobic digestion systems, supporting flexible gas composition testing at different sampling locations.
  • Biogas Quality & Process Monitoring: Tracks CH₄ and CO₂ concentrations to help assess biogas composition, while H₂S, O₂, H₂ and CO measurements provide additional information for gas quality evaluation and anaerobic fermentation monitoring.
  • Support for Environmental Measurement Projects: Provides biogas composition data for monitoring activities associated with CCER and CDM projects. Additional flow measurements, approved methodologies and verification procedures may be required for emissions reduction accounting.

Applications

  • Anaerobic Digestion & Biogas Production
  • Landfill Gas Monitoring
  • Wastewater & Sewage Treatment
  • CCER & CDM Measurement Projects

Still having questions? Please just contact us directly!

Principle

  1. Non-Dispersive Infrared (NDIR) Measurement
    In portable biogas analyzer, it uses NDIR technology to measure methane (CH₄) and carbon dioxide (CO₂), two of the main components of biogas. Gas molecules such as CH₄ and CO₂ absorb infrared radiation at characteristic wavelengths. Inside the analyzer, infrared light passes through a gas measurement chamber. The detector measures the transmitted infrared intensity, and the analyzer determines the concentration of each target gas based on its infrared absorption characteristics.
  2. Electrochemical Gas Measurement
    In portable biogas analyzer, it uses Electrochemical sensors for hydrogen sulfide (H₂S), oxygen (O₂) and other supported gas channels according to the analyzer configuration. For H₂S measurement, gas molecules diffuse through a membrane into an electrochemical sensing cell, where a chemical reaction generates an electrical current proportional to the gas concentration. It uses an appropriate electrochemical oxygen sensor to measure Oxygen. The EC sensor allows operators to identify changes in O₂ concentration that may indicate air ingress or changes in process conditions.

Specifications

Product Model Portable Handhold
Measuring Gas CO2, H2S, O2, CH4 (CO, H2 optional)
Principle CO2, CH4: NDIR; H2S/O2: Electrochemical (EC) sensor
Range CH4: 0-100%; CO2: 0-50%; H2S: 0-9999ppm; O2: 0-25%
Accuracy CO2/CH4: ±2%FS; H2S/O2: ±2%FS
Resolution CO2/CH4/O2: 0.01%; H2S: 1ppm
Repeatability CO2/CH4/H2S/O2: ≤1%
Optimal Flow 0.7-1.2L/min
Inlet Pressure 2-50kPa
Response Time T90＜15s (NDIR)
Sample Gas Requirement Dust-free, water-free, oil-free
Communications RS232/RS485, USB, 4-20mA
Display 5-inch TFT LCD Touch Screen Display
Power AC220V, 50Hz. Built in rechargeable lithium battery power supply, external 12.6 charger
Function Configuration Built-in imported sampling air pump. With self-diagnosts function, the sensor status can be checked online.

 

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We will contact you within 1 working day, please pay attention to the email with the suffix “[email protected]” .

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