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Inst Tools > Blog > Animation > Bubbler Level Measurement Animation

Bubbler Level Measurement Animation

Last updated: September 28, 2018 11:56 am
Editorial Staff
Animation How It Works Level Measurement
8 Comments
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Bubbler Level Measurement Animation shows the working principle of bubbler level sensor.

Working Principle:

A fixed constant air supply will be given at the inlet (min 10psi). When there is no level in the tank then total air passed to atmosphere through pipe in the tank. When the level in tank increases means the proportional back pressure increases and the increased back pressure is proportional to level in tank.

When tank level is more then back pressure will increases. With the use a electronic transmitters (like pressure transmitters) we can convert the back pressure signal into 4-20mA level signal.

Bubbler Level Measurement Animation

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8 Comments
  • Dinesh Kumar C says:
    September 25, 2015 at 10:46 am

    Hi Bharadwaj,

    All the contents are really good and helps to refresh the principles. Additionally can you also add the applications and usage of specific measurements in field. Just an idea.

    Eg: Magnetic Flow meters, Can be used only in Conductive fluids.

    Reply
    • S Bharadwaj Reddy says:
      September 25, 2015 at 2:27 pm

      Sure, i will do my best. Also if any one interested to share their knowledge/data, plz send the information to [email protected]
      Thanks

      Reply
      • pavan says:
        May 9, 2016 at 2:37 am

        Sir, Parallely keep on posting related to PLC, DCS, MODBUS COMMUNICATION etc.

        Reply
    • Aamir Ahmad says:
      October 15, 2021 at 7:18 pm

      why are using Dp transmitter

      Reply
  • ajaz sheikh says:
    May 9, 2016 at 3:05 pm

    Plz can any one tell how to calibrate LL pressure switch and HH pressure switch

    Reply
  • aarshav says:
    June 12, 2016 at 6:49 am

    awesome!! thanks for introducing the basics..
    so kind of you

    Reply
  • Sushil Gharat says:
    November 22, 2016 at 1:50 am

    Great knowledge sharing..
    Much needed..
    Thank you very much..

    Reply
  • nore says:
    September 12, 2021 at 4:40 pm

    Hello,

    We have a wastewater pond, we installed two different level transmitters, guided wave radar, and bubble type radar, the depth of the pond is 3.8 Mtrs, but both transmitters are giving different readings, radar showing 57% while bubble showing 48% reading, is the working principle different for both transmitters? for example the bubble measure from the bottom while the radar reflects from the top of wastewater?

    Reply

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