Read Digital output from Flow meter using Arduino

Dear All,

Trying to read the digital output using Arduino, from ultrasonic flow meter(datasheet attached below), also attached screenshot of the output part from the datasheet.

Please let me know what to do next, since i’m a beginner in Arduino

Thanks

flowmeter_datasheet_compressed.pdf (1.78 MB)

I think if anyone had any ideas they would have helped you here already :wink: