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Standard Meter Method Positive Pressure Loop Gas Meter Test Bench Type MJ2221-01

Model: MJ2221-01

The bench uses a high-precision Roots flow meter as the standard meter, and the high-pressure fan makes the calibration medium (air) flow continuously in the closed loop composed of the tested meters and the standard meter, and compares the standard meter and the tested meter in the same period to calculate the error of the tested meters.

Technical Specifications

• Test bench uncertainty: 0.33% (k=2)
• Flow range: 0.5-1000m³/h
• Flow stability: ≤0.2%
• Working pressure: 0.1-0.6MPa