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RTG3950 unstable flow rate

We have RTG3950 installed on tank with unstable flow rate readings; the flow rate constantly jumps from 400 to 100 m3/h, but the pump performance is stable.

We checked the tank capacity table and tank echoes with tank scan; it is all right.

The product in tank is N-pentane.

What could be the problem?

1 Reply

  • Hi
    It sounds like the level meassurment might fluctuate a little.

    I would like to look into this a bit deeper, could you answer to our service inbox? service.rtg@emerson.com
    What site and country is this?
    Does it happen on all levels or only a special range?
    Please attach tank scan and strapping table.

    BR
    Jesper Öhman