Water meter pulse connection

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hi

i have water (consumption) meter (diehl altair), pulse reader (izar pulse) linked below; , connect these arduino (i have uno). here units have specs:

http://www.diehl.com/fileadmin/diehl-metering/pdb/fr_en_web/familie157354/altair_v4.pdf
http://www.diehl.com/fileadmin/diehl-metering/pdb/hu_en_web/familie3126674/izar_pulse_h.pdf

the pulse reader has 3 wires (white, brown, green) seem 'pulse, ground, tampering.
 
any appreciated; how should connect these pins, , code use read pulses.

thanks

hi, , welcome arduino forum!
the pdf states sensor "open collector" transistor, means treat push button switch. attach pulse arduino pin , write code use "internal pull resistor" on pin. connect ground wire arduino ground.

just count "button switch presses" , counting turns of sensor magnet.

lots of sample code count button presses available.

paul



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