The ACT20X-2HTI-2SAO-P (Order No. 2456190000) is a two-channel, intrinsically safe signal isolating converter from Weidmüller's ACT20X series, designed for the process industry . It transmits analog signals from hazardous areas (Ex zone 0, 1, 2, and 20, 21, 22) to the safe area with full galvanic isolation .