Tutorial: Reading Water Flow rate with Water Flow Sensor

Hi all!



Does anybody have the datasheet for the G1" Water Flow Sensor?



I am looking for the value of the constant that gives the relation between flowrate and pulses per minute the sensor is sending (7.5 for G1/2", 5.5 for G3/4")



I have found the datasheet for G1/2" sensor, flow rate vs frequency rate for G1/4" G3/4" but nothing on G1" sensor





Thanks,



Sebastian