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Ask an Expert Forum Need help designing a flow sensor for marine application
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  • flow sensor
  • flow meter
  • transit-time transducer
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Need help designing a flow sensor for marine application

marioc13
marioc13 8 days ago

I want to develop a flow sensor for sea water hose flow rate. It will be used to provide information to be able to shut off and on a water pump. I'd say a clamp on style able to be mounted on a short piece of pipes of various diameters. Any engineers would like to help or guide me in the right direction? 

AI is helping me but I'm not an engineer. I have found out that I'll need transit-time transducers (non-intrusive) and a flow rate of 5-100 GPM. 

The transducers will be mounted in a short piece of Schedule 80PVC (about 3-4" long) and threaded on both sides for easy installation. There is a product that already exists for my needs but it is Propriatary. (Electrosea "ClearVis" sensor). Basically I'm in need to know the flow rate of sea water so when it is lower than, say 13GPM, send a signal to shut off the water pump. In the available Electrosea system it is used for it's operation and depending on the water flow rate it will introduce current so create cholrine in the sea water to prevent biologiacal fouling. Eventually I'll get there, right now just looking to design that sensor.

Any takers?

Thanks

Mario

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Top Replies

  • michaelkellett
    michaelkellett 7 days ago +1
    Unless your time is of zero value you will not be able to develop a flow sensor like an existing product for less cost than just buying one. You might come up with a novel solution to your problem (but…
  • colporteur
    colporteur 6 days ago in reply to marioc13 +1
    https://community.element14.com/products/roadtest/rt/roadtests/583/flusso_fls110_mass_flow_sensor_evaluation_kit#pifragment-18971=4&pifragment-18972=7&pifragment-19828=11 As a community we would be remiss…
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  • colporteur
    0 colporteur 8 days ago

    I visited the Newark site and did a search on flow sensors and extensive product selection list.

    There was a few data sheets available to give you some insight.

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  • marioc13
    0 marioc13 7 days ago in reply to colporteur

    Thank you for your help! I have been searching and found the  Airmar 1 MHz Ultrasonic Flow Transducer 17mm and Airmar offers a board to connect to it to set parameters for more accurate flow metering result. I'm now looking for less expensive options for prototyping but I'm afraid I wont find an off the shelf board to connect to it. 

    Thanks!!

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  • colporteur
    0 colporteur 6 days ago in reply to marioc13

    https://community.element14.com/products/roadtest/rt/roadtests/583/flusso_fls110_mass_flow_sensor_evaluation_kit#pifragment-18971=4&pifragment-18972=7&pifragment-19828=11

    As a community we would be remiss if we didn't plug our RoadTest vendors.

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  • colporteur
    0 colporteur 6 days ago in reply to marioc13

    https://community.element14.com/products/roadtest/rt/roadtests/583/flusso_fls110_mass_flow_sensor_evaluation_kit#pifragment-18971=4&pifragment-18972=7&pifragment-19828=11

    As a community we would be remiss if we didn't plug our RoadTest vendors.

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