The air source of the air momentum meter should pay attention to these aspects:
    1.Air source purification is the most important condition to maintain the normal use of air momentum meter. The failure of the measuring instrument is mostly caused by the entry of oil and water into the measuring instrument, and a larger Internet filter device should be added before the air filtration carried by the measuring instrument, and the water is often discharged and replaced, and the filtration element is cleaned.
    2.The air source pressure cannot be lower than that0.29MpaIt is best not to share an air source with a pneumatic power machine.
    3.Plastic pipe aging hard, easy to produce air leakage at the head, timely replacement.
    4.When the air valve is closed and opened for use, the standard part is re-calibrated once for zero position and magnifications.

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