The National Instruments PXI-4131A is a high-performance Source Measure Unit (SMU) designed for automated testing and precision measurement across various applications. With an adaptable architecture, it features four independent channels capable of sourcing and measuring both voltage and current with exceptional resolution and accuracy. The PXI-4131A operates in four quadrants, effectively sourcing and sinking current, with a voltage source range of ±42 V and a current source range of ±50 mA, ensuring extensive testing capabilities under demanding conditions.

This module is equipped with a built-in high-speed digitizer that captures waveforms at a rate of up to 1.8 MS/s, facilitating accurate waveform analysis during testing procedures. It supports multiple configurations of SMUs, enhancing parallel testing setups and streamlining test execution. Designed with a compact PXI architecture, the PXI-4131A integrates seamlessly into existing testing systems, optimizing space and expediting setup. Its user-friendly software interface simplifies the development and execution of tests, making it a valuable tool for applications such as semiconductor device testing, materials science research, and high-precision measurement tasks.