Description
Older test racks still talk GPIB, and nobody wants to rewrite them for one new box. The Keysight DAQ973SB data acquisition bundle fits that situation, because it adds GPIB to a modern acquisition and switching chassis. Lost in HCM lists it for rental and sale, so you can add channels for a project or buy a standing setup.
What comes in the bundle
| Specification | Value |
|---|---|
| Mainframe | DAQ973A, 3 slots |
| Included modules | 2 x DAQM903A switch + 1 x DAQM901A multiplexer |
| Multiplexer / switch channels | 60 total channels |
| Dedicated current channels | 6 |
| Internal DMM | 6.5 digits / 22 bits |
| Maximum switching voltage | 300 V |
| Scan rate | Up to 80 channels/s |
| Interfaces | LAN, USB and GPIB |
Switching and scanning roles
The two DAQM903A modules supply independent SPDT relays for control and routing. Meanwhile, the DAQM901A multiplexer scans two-wire and four-wire signals and includes a thermocouple reference junction. As a result, one chassis can read sensors and drive actuators in the same sequence.
Where the Keysight DAQ973SB data acquisition bundle fits
Legacy GPIB production systems come first, because the bundle plugs into existing control code. Environmental and temperature data logging is another common job. Electromechanical and relay validation also suits it. Finally, mixed sensor and actuator test systems can share the one frame.
Sizing the setup
Count your signals before you ask for a quote. Sixty channels are available across the modules, so a larger system may need a second frame. Next, check the voltage, because switching tops out at 300 V. A scan rate of up to 80 channels per second also sets how fast a full sweep runs, so divide your channel count by it.
Rent or buy
Rent the Keysight DAQ973SB data acquisition bundle for a test campaign, a line bring-up or a stand-in while another system is away. Buy it once a rack depends on it every day.
Asking Lost in HCM for a quote
SMK Vietnam lists this bundle for Lost in HCM, which supplies it. Please request a quote from Lost in HCM with your channel count, signal types and delivery site. Similar gear sits under data acquisition and BERTs. Product details live on the Keysight website, and you can contact SMK Vietnam too.
DAQ973SB questions
How many channels does the bundle give me?
The multiplexer and switch modules total 60 channels, plus 6 dedicated current channels.
Can it join an older GPIB rack?
Yes. GPIB is part of this bundle, alongside LAN and USB.
Does it measure by itself?
It has an internal 6.5-digit DMM, so yes, it can read the scanned channels.
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