GEO SPREADER SYSTEMS - (LIQUID FERTILIZERS), Geo spreader
https://www.dinamicagenerale.com/en-ww/geo-spreader-systems-liquid-fertilizers.aspx
The NPN-type sensor should have not less than 1 impulse per liter     GeoSpreader BASIC Kit Code Description Quantity 999-0711 Indicator Geospreader Basic 1 - Mounting support 1 979-0266 GPS Antenna for measuring ground speed 1 989-0463 Connection cable( Indicator- sensors) 1 SUPERIOR VERSION GeoSpreader system (SUPERIOR VERSION) monitors the amount of material [...]