Couplers & I/O modules: Item no. 750-404/000-003Frequency Counter1 of 4Color: Item no. 750-404/000-003 Frequency Counter LoginPlease wait ...PU (SPU): 1 PieceAdd to shopping listGenerate DatasheetCompareAdd to WatchlistFind distributorsConfigureItem no. 750-404/000-003 Frequency Counter LoginPlease wait ...PU (SPU): 1 PieceAdd to shopping listGenerate DatasheetCompareAdd to WatchlistFind distributorsConfigure