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    I have an OpenSprinkler Pi to which I have connected the following flow meter:

    The manufacturer told me that flow sensor was: ‘1.037 pulses per lpm’.
    I’m not sure exactly what that means, I had expected the unit to be L/pulse.
    I’ve used this value to set the Flow Pulse Rate but I have very high reading.

    Would anyone know what is the correct flow rate setting for this sensor ?




    LPM means liter per minute, which does not provide enough information about the number of pulses / clicks.

    ‘1.037 pulses per lpm’ has the wrong unit — it should be pulses per liter or something like that. I think 1.037 pulse per liter sounds quite slow — a flow meter like this generally produces a lot of clicks. For example, this sensor:
    which is similar to yours, specifies the pulse per liter is:
    Pulses per Liter: 450
    or in otherwords, liter per pulse is 1/450.

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