OpenSprinkler Forums Hardware Questions Recommended flow meter

  • This topic has 5 replies, 4 voices, and was last updated 4 months ago by Ray.
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  • #66037

    lcavalie
    Participant

    I looked through he forums but I still have a tough time finding a recommendation for a flow meter that would work well with OpenSprinkler.
    Anybody has a recommended piece of hardware that I should get?

    Thanks

    L

    #66055

    Ray
    Keymaster

    If you search “water meter pulse output” on amazon you can find several choices. They usually have two wires coming out of the meter. There are brand names like EKM or DAE.

    There are also smaller and cheaper ones that come with 3 wires — those are usually not very reliable and tend to generate too many pulses per second so I wouldn’t recommend them, although they are still usable with OpenSprinkler.

    #66079

    lcavalie
    Participant

    Thank you very much, that’s exactly what I wanted to find out.

    #67893

    thangln
    Participant

    Hi Ray,

    I wasn’t able to find any two-wire one on Amazon. Just wonder if you can share some links please? Thank you

    #69008

    D N
    Participant

    Hello,
    I’m also looking for a flow meter, but the only two-wire “pulse output water meter” I can find are on eBay and usually cost much more than AU$77. Most have a display, but I don’t need that – just digital output to my OSPI.

    I came across much cheaper Hall Effect Flow Meters, but all of the 3/4″ ones are 3-wire. Would these work at all please?

    https://www.alibaba.com/product-detail/SEN-HZ43WA-Flow-sensor-magnetic-water_60586963647.html

    This one appears to be a pulse output “turbine” with 3 wires.
    https://www.alibaba.com/product-detail/Digital-Water-Flow-Meter-Pulse-Output_62357976205.html?spm=a2700.galleryofferlist.normal_offer.d_title.6b4d5360grukZB

    Thank you in advance!

    #69045

    Ray
    Keymaster

    My post above:
    https://opensprinkler.com/forums/topic/recommended-flow-meter/#post-66055
    explains how to search it on amazon. Unfortunately 2-wire meters are generally a lot more expensive. In the US it’s generally $60 USD and above. But they are a lot more accurate and reliable that the cheap 3-wire type.

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OpenSprinkler Forums Hardware Questions Recommended flow meter