L4400 Series LXI Switch and Control Instruments
The Keysight L4400 Series of switches, digital input/output and analog output instruments offer the best tradeoff in size, functionality and test. They are standalone instruments that perform the same function as their companion 34980A-Series plug-in modules. They come with a fully operational programming interface including a web-page for easy control.
For applications that require the performance of the Keysight 34980A Multifunction Switch/Measure Unit at a lower channel count.
Need help deciding which modules are right? Use our step by step guide
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Compare All L4400 LXI Switch & Control Instruments (4)
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L4421A 40-Channel Armature Multiplexer (1)
L4421A 40-Channel Armature Multiplexer
- 2-wire latching armature relays
- 300V, 1A switch; 2A carry current
- Thermocouple reference
- Scan up to 100 ch/sec
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L4437A 32-channel Form A/Form C General Purpose Switch [Discontinued] (1)
L4437A 32-channel Form A/Form C General Purpose Switch [Discontinued]
- 28 form C channels, up to 1A, 50W
- 4 form A channels, up to 5A, 150W
- Armature latching relays with relay counter
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L4445A Microwave Switch/Attenuator Driver (1)
L4445A Microwave Switch/Attenuator Driver
- Control microwave switches and attenuators
- Expandable with 34945EXT
- Distribution boards for easy wiring
- External power option
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L4450A 64-bit Digital I/O with Memory and Counter [Discontinued] (1)
L4450A 64-bit Digital I/O with Memory and Counter [Discontinued]
- 64 bi-directional digital I/O bits
- Variable thresholds from 0V to 5V
- 128K pattern memory
- Two 10 MHz counter/totalizer channels
![L4437A 32-channel Form A/Form C General Purpose Switch [Discontinued]](https://s7.images.keysight.com/is/image/Keysight/PROD-737879-IS?$ThumbnailPreset$&defaultImage=no-product-image)
![L4450A 64-bit Digital I/O with Memory and Counter [Discontinued]](https://s7.images.keysight.com/is/image/Keysight/PROD-738362-IS?$ThumbnailPreset$&defaultImage=no-product-image)
