Keysight L4421A

40-Channel Armature Multiplexer

Data Sheet

– LXI compliance includes built-in Ethernet connectivity

– Fully-featured graphical web interface

– 40 2-wire latching armature relays

– Thermocouple reference junction for temperature

measurements (requires external DMM)

– Relay counter

– Scan up to 100 ch/s

– 300 V, 1 A switch; 2 A carry current

– Software drivers for most common programming

environments