70-Channel Armature Multiplexer for the 34980A The Agilent (now Keysight) 34922A module for the 34980A Multifunction Switch/Measure Unit offers high density multiplexer switching in a compact size and combines dense, multi-function switching with 100 channel/s scan rates to address a broad spectrum of data acquisition applications. Current measurements can be accomplished with user provided shunt resistors. Standard 78-pin Dsub connectors allow for use with standard cables, terminal blocks, or mass interconnect solutions. 70 2-wire channels Mix 2- or 4-wire configurations 100 ch/s scanning 300 V, 1 A switch; 2 A carry current Latching armature relays, with relay counter