WZX-2 Optical Interference Methane Detector Calibration Bench
The Methane Detector Comprehensive Calibration Bench is developed in accordance with the industry standard MT28-2005 technical requirements for optical interference methane detectors. The WZX-2 Optical Interference Methane Detector Calibration Bench features twelve calibration functions. It offers stable testing performance, is easy to use and maintain, and is widely used in the repair and calibration of instruments within the coal mine system. It is essential equipment for instrument repair centers, research institutions, and teaching laboratories.
WZX-2 Optical Interference Methane Detector Calibration Bench Technical Parameters
Water Column Pressure Calibration: (710MM) 7kpa
Gas Sample Preparation: 0.5-95% CH4
Impact Test
Stability Test
High and Low Temperature Test: -10-40℃
Air Tightness Test (710MM Water Column) 7kpa
Diffusion Test
Coil Tube Negative Pressure Test
Drying Tube Positive Pressure Test

Zhengzhou Aidi produces and supplies coal drill cuttings desorption instruments, deep-hole sampling devices, pressure measuring instruments, geological exploration desorption instruments, borehole flow meters, mine gas extraction and outburst prevention equipment, true density measuring instruments for coal, gas content measuring instruments, automatic initial gas emission speed measuring instruments, diffusion speed measuring instruments, gas parameter instruments for coal extraction pipelines, borehole coal powder circulation devices  Laboratory Instruments:

Direct/Automatic Gas Content Measuring Device (Atmospheric Desorption Method), Residual Gas Content Measuring Device (Degassing Method), Deep-Hole Rapid Sampling Device, Fully Automatic Gas Adsorption Constant Measuring Instrument, Fully Automatic Initial Gas Emission Speed Measuring Instrument, Fully Automatic True Density Measuring Instrument for Coal, Fully Automatic Industrial Analyzer, Mine Gas Chromatograph, Experimental Device for Characteristic Gases of Coal Spontaneous Combustion, Ball Mill, Sealed Sample Preparation Grinder, Fully Automatic Sulfur Measuring Instrument, Coal Dust Explosion Testing Device, Coal Spontaneous Combustion Tendency Measuring Instrument, Coal Sample Preparation Device, Active Coal Seam Gas Pressure Measuring Instrument, Gas Sensor Calibration Device, Device for Measuring Characteristic Gases and Critical Values of Coal Spontaneous Combustion, Borehole Coal Powder Circulation Device