Biogas analyzer / oxygen / carbon dioxide / methane
Gasboard—3200L Hubei Cubic-Ruiyi Instrument CO., LTD


  • Measured entity:

    oxygen, carbon dioxide, methane, hydrogen sulfide, biogas

  • Measured value:


  • Configuration:


  • Other characteristics:

    sampling, continuous, monitoring, process, online, infrared, real-time, digital, high-performance, precision, power plant, RS485, with oxygen sensor, combined, inspection, calibration, landfill


Gasboard—3200L portable infrared biogas analyzer is designed to measure CH4 ,CO2 ,H2S and O2 concentration simultaneously in different biogas applications, like landfill, water treatment and CDM projects anaerobic digestion and other fermentation processes, based on single source two beams non-dispersion infrared (NDIR) method for CH4, CO2, electrochemical method (ECD) for H2S and O2.

Landfill, water treatment, CDM project ,anaerobic digestion and other fermentation processes.

Technical specifications
Component Method Measuring range Resolution Precision Repeatability Error
CH4 NDIR 0-100% 0.01% ≤ ± 2% FS ≤ ±2% FS
CO2 NDIR 0-50% 0.01% ≤ ± 2% FS ≤ 2% FS
O2 ECD 0-25% 0.01% ≤ ± 3% FS ≤ 2% FS
H2S ECD 0-9999 ppm 1 ppm ≤ ± 3% FS ≤ 2% FS
Note: Measuring range can be defined as customer request.
Flow 0.7-1.2L/min
Inlet pressure 2kPa -50kPa
Sampling gas condition Moisture removed (no condensation), dust filtered (<1um)
Response time (TD+T90) 4h with pump in operation
Dimension 380 × 140 × 255mm (Width*length*height)
Casing Casing: Robust casing in aluminium with cover and shoulder trap
Weight 5 kg max


Other Hubei Cubic-Ruiyi Instrument CO., LTD products