• Comprehensive Parameter Measurement: A standard device for calibrating pipeline gas comprehensive parameter measuring instruments.
• Multi-Parameter Verification: Verification and calibration of parameters including gas flow rate, methane concentration, and more.
• Automation and Efficiency: High automation, ease of use, and high precision.

This device is widely used in mining group testing centers and coal mine testing laboratories. It is capable of calibrating methane concentration, flow rate, temperature, and pressure parameters of pipeline gas online monitoring equipment used in coal mines, ensuring the proper functioning and accurate measurement of the instruments.

• Calibration Equipment Pipe Diameter: Suitable for pipeline gas equipment calibration with DN150 and above.
• Flow Rate Range: (0.20–30.00) m³/s, Class 1
• Absolute Pressure: (0.0–200.0) kPa
• Temperature: (-10.0–50.0) °C
• Methane Concentration: (0.00–100.0) % CH₄

• GLVF-100 Flow Automatic Calibration Device
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• GLVM-100 Methane Concentration Sensor Automatic Calibration Device
• GLVP-200 Pressure Sensor Automatic Calibration Device
• GL-T95 High-Precision Temperature Sensor Calibration Device