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L4421A 40-Channel Armature Multiplexer
Highlights
Armature Multiplexer Offers High-Performance Signal Switching Wherever You Need
The Keysight L4421A is a versatile 40-channel armature multiplexer that is LXI Class C compliant. Its small size, fast scan rates, and Ethernet connectivity make this switch ideal for general-purpose scanning, design verification, and functional test applications.
- Up to 40-channel 2-wire latching armature relay
- Counter monitors and predicts when relays are nearing end-of-life
- Thermocouple reference junction is ideal for temperature measurements (requires external digital multimeter)
- LXI standard is supported by multiple vendors, enabling lower cost of test and accelerated test integration
- Four additional fused inputs route current to an external multimeter, allowing current measurements without external shunt resistors
- Five instrument states with user label in non-volatile memory
Switch Features for Flexible, Reliable Connections
- Connect one of many different points to a single point or create your own custom configuration with multiple switch closures
- Ensure that no two signals are connected to each other during a scan with "break before make" connections
- Defines switch sequences and control complex signal routing to ensure the order of switch closures
- Time and synchronize measurements with external trigger capabilities
KEY SPECIFICATIONS
Channels
11-40
Channels/Crosspoints
40
Channels/sec.
0 - 120 ch/s
Inputs/Outputs
0 - 50 Volts
126 - 250 Volts
300 Volts
51 - 125 Volts
Maximum Inputs/Outputs (V, I)
300V, 2A
Module Type
Multiplexer
Channels
Channels/Crosspoints
Channels/sec.
Inputs/Outputs
Maximum Inputs/Outputs (V, I)
Module Type
11-40
40
0 - 120 ch/s
0 - 50 Volts
126 - 250 Volts
300 Volts
51 - 125 Volts
300V, 2A
Multiplexer
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Channels:
11-40
Channels/Crosspoints:
40
Channels/sec.:
0 - 120 ch/s
Inputs/Outputs:
0 - 50 Volts
126 - 250 Volts
300 Volts
51 - 125 Volts
Maximum Inputs/Outputs (V, I):
300V, 2A
Module Type:
Multiplexer
Platform:
L4400
Speed or Frequency:
100 ch/s
Standard Configurations
Prev
40-Channel Armature Multiplexer
- LXI 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
- Software drivers for most common programming environments
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