• Comprehensive Parameter Measurement: A standard device for calibrating gas drainage comprehensive parameter measuring instruments.
• Multi-Parameter Calibration: Calibration and verification of parameters such as gas flow rate, methane concentration, and more.
• Automation, Convenience, 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 can calibrate parameters such as methane concentration, flow rate, temperature, and pressure of CJZ series gas drainage comprehensive parameter measuring instruments used in coal mines, ensuring the instruments function properly and provide accurate measurements.

The system mainly consists of three parts:

1. Methane concentration and pressure calibration system
2. Flow rate calibration system
3. Temperature calibration system

• Flow Rate Range: (0.0~100.0) m³/min (DN50), expandable to other pipe diameters
• Methane Concentration: (0.0~100.0)% CH4
• Absolute Pressure: (0.0~200.0) kPa
• Temperature: (-10.0~50.0) °C
• Power Supply: 220VAC