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Agilent L4421A
40-Channel Armature Multiplexer

LXI Class C compliance includes built-in Ethernet connectivity
Fully-featured graphical web interface
40 2-wire latching armature relays
Thermocouple reference junction for temperature measurement with external multimeter.
Relay counter
Scan up to 100 ch/sec
300V, 1A switch; 2A carry current
Easily connects to 34401A/34410A/34411A digital multimeters
Software drivers for most common programming environments

Agilent L4421A Shown

Product Information
Datasheet	373 KB
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The Agilent L4421A is a high-performance 40-channel armature multiplexer that is LXI Class C compliant. With its small size and Ethernet connectivity, this switch can be placed wherever your application needs it.

The L4421A is a versatile multiplexer for general purpose scanning. The low thermal offset characteristics and built-in thermocouple reference on the terminal block, make it ideal for temperature measurements with an external multimeter. The dense, multi-function switching with 100 channel/second scan rates addresses a broad spectrum of data acquisition design verification, and functional test applications.

Four additional fused inputs (44 channels total) route up to 1A of current to an external multimeter, allowing AC and DC current measurements without the need for external shunt resistors.

Standard 50-pin Dsub connectors allow for use with standard cables, terminal blocks, or mass interconnect solutions.

Ordering Information
Model	Description	Buy Online	Price
L4421A	Agilent L4421A 40-Channel Armature Multiplexer		$1,681.00
Options
Note: Any internal options must be ordered along with the main unit at time of purchase.
L4421AABA	Agilent L4421A-ABA: Add English Printed Manual Set/CD ROM		$40.66
L4421AGPIB	Agilent L4421A-GPIB: GPIB Add on Option		$268.00

Agilent L4421A 40-Channel Armature Multiplexer

Agilent L4421A
40-Channel Armature Multiplexer