Couplers & I/O modules: Item no. 750-404/000-003Frequency Counter1 of 4Color: Item no. 750-404/000-003 Frequency CounterRegular in stock LoginAdd to shopping cartGenerate DatasheetDownloads as zipCompareAdd to WatchlistFind distributorsConfigureItem no. 750-404/000-003 Frequency CounterRegular in stock LoginAdd to shopping cartGenerate DatasheetDownloads as zipCompareAdd to WatchlistFind distributorsConfigure