The Keysight U2351A is a USB-based multifunction data acquisition device that combines analog input and output, digital I/O, and counter functions in a single module. It connects via high-speed USB 2.0 and operates as a standalone unit or integrates into the U2781A chassis for expanded capabilities. The device supports data logging, monitoring, design validation, and manufacturing test applications across Windows platforms.
– Technical Specifications
Analog Inputs
• 16-bit resolution
• 16 single-ended or 8 differential multiplexed channels
• Sampling rate up to 250 kSa/s
Analog Outputs
• 2 channels
• 16-bit resolution
• Update rate up to 1 MSa/s
Digital I/O
• 24-bit programmable TTL input/output channels
Counters
• 2 general-purpose digital counter channels
Connectivity
• USB 2.0 interface with USBTMC-USB488 standard compliance
– Key Features
• Standalone and modular operation—use independently or integrated into U2781A chassis
• Multifunction operation as digital multimeter in polling mode or basic oscilloscope with continuous mode and simple triggering
• Closed-loop control via digital I/O for switches, relays, and solenoids
• Burst mode for simulating simultaneous analog input acquisition
• Self-calibration to readjust offset within specified accuracies and ranges
– Typical Applications
Data logging and monitoring, design validation, manufacturing test, and closed-loop control systems requiring mixed-signal measurement and automation.
– Compatibility & Integration
Windows operating systems. Compatible with Keysight VEE, MATLAB (R2007a and later), NI LabVIEW, and Microsoft Visual Studio. Includes BenchVue software license (BV0025B). Optional terminal blocks (U2901A or U2902A) available for simplified connections.
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