Compressed air is one of the factors affecting the measuring accuracy of the gas momentum meter
    1Air source cleanliness
    One of the most important factors affecting the accuracy of the measuring system is the cleanliness of the air source. The measuring principle of the gas momentum meter is to compare the measurement, convert the length signal into the airflow number, and display the value through the indicator. Therefore, compressed air is the key power source of air momentum meter. The cleanliness of the air source is related to the accuracy of the measurement.
    2Irregular air leakage

    The air momentum meter is a closed measuring instrument with an internal closure to ensure that the compressed air will not leak, so as to ensure its measurement degree. Because the air momentum meter relies on air pressure for measuring power, it is necessary to ensure the stability of the pressure, irregular leakage will inevitably lead to instantaneous fluctuations of the pressure, the general air momentum meter indicator value change is large, almost all caused by the air leakage, and this problem is not detected by the measurement and control personnel, must be dealt with by specialized maintenance personnel.

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