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!