Yes ,I now see your need ,although finding such a sensor with a reasonable price might be
a challenge ,I had been experimenting with various cheap sensors ,but their limitations pushed me in the direction of ultrasonic time of flight detection ,I gave up on this when my carbureted T100 engine broke & then went EFI for my subsequent vehicles since.
The paddle sensor that I had some useful results from was the flowfuel 30L02 from futurlec.com rated at 85 psi ,this sensor has a magnet in the paddle wheel and from memory a hall sensor ,very similar operation to the original zemco sensor.
The data sheet is not exactly correct , but at $10.00 !
Tp
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