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Conversion of Nm3/hr to l/hr

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  • Conversion of Nm3/hr to l/hr

    I was told that there is a standard conversion for this
    1 Nm3/hr = 1.25 l/hr.

    I don't know whether this is right and need to verify on this conversion statement.

    I am trying to calibrate a flowmeter. The range is 0~210Nm3/hr (gas) and I am using water l/min to calibrate.

    Thanks advance for everyone that can help in this.

    Henry

  • #2
    Re: Conversion of Nm3/hr to l/hr

    Originally posted by hhui
    I was told that there is a standard conversion for this
    1 Nm3/hr = 1.25 l/hr.

    I don't know whether this is right and need to verify on this conversion statement.

    I am trying to calibrate a flowmeter. The range is 0~210Nm3/hr (gas) and I am using water l/min to calibrate.

    Thanks advance for everyone that can help in this.

    Henry
    Not a "standard" conversion, or not that one.
    The "N" in Nm means measured at a "normal" temperature and pressure of 0 C and 101.325 kPa. (The volume of a gas is meaningless unless temperature and pressure are stated or implied). However 1 m = 1000 L.

    But none of that may be relevant. Depending on the operating principle of your flow meter, the radically different density and viscosity of water vs a gas will affect results. It may be possible to calibrate with water, but you would have to discuss with manufacturer exactly how to do so. It would not be a "universal" process valid for any flow meter (also calibration may depend on the gas.)

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    • #3
      Re: Conversion of Nm3/hr to l/hr

      Thanks for the help..

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