Description
A fixture with hundreds of test points needs routing before it needs measuring. The Keysight 34980A switch measure unit handles both inside one eight-slot mainframe, with a 6.5-digit DMM built in. Lost in HCM lists it for rental and sale, so you can build the system for one program or for a permanent rack.
Modules decide the channel count
The frame itself provides slots, not channels. More than 20 plug-in modules cover switching, multiplexing and control, so you choose the mix. With the right multiplexer modules, the listing shows up to 560 two-wire channels. A matrix can reach 2048 crosspoints, according to the current Keysight product page. As a result, one frame can replace a tangle of hand-wired switches.
Keysight 34980A switch measure unit facts
| Item | Value |
|---|---|
| Module slots | 8 |
| Built-in DMM | 6.5 digits / 22 bits |
| Maximum scan rate | 1000 channels/s |
| Maximum two-wire mux channels | 560 |
| Maximum matrix crosspoints | 2048, as listed on the current product page |
| Interfaces | GPIB, LAN and USB |
Installed options can change the capability of a delivered unit, so the quote takes precedence.
Systems it suits
High-density data acquisition and environmental test come first. Automotive and battery-system validation also needs many channels at once. In addition, automated functional test uses the frame for signal routing. Microwave switching is possible with compatible modules. The built-in DMM saves rack space, while LXI, USB and GPIB connect it to existing ATE.
What to ask about the frame
Every channel count claim depends on the modules, so name them early. Ask which connector blocks or cables ship with each module. Then check the control side. LAN and USB suit a modern PC, while GPIB suits an older rack. With the Keysight 34980A switch measure unit, a short rental also lets you test your fixture wiring before you commit to a purchase.
Plan the configuration, then ask
Write down the channel count, the signal types and the voltage and current levels. Then name the modules and connector blocks you want. Include the dates and your site. After that, request a quote from Lost in HCM. The data acquisition category lists related systems, and the Keysight website carries the module data. You can also contact SMK Vietnam.
34980A questions
How many slots does it have?
It has eight module slots.
How quickly can it scan?
It scans up to 1000 channels per second.
Can it measure without extra hardware?
The built-in 6.5-digit DMM measures on its own, but you still need modules to reach your channels.
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