The PXI-4071 is a **7½-digit, ±1000 V, high-speed digitizer and digital multimeter (DMM)** manufactured by National Instruments (NI) for use in their PXI modular instrumentation platform. Here's a breakdown of the key information:

**Function:**

The PXI-4071 offers two primary functionalities:

* **High-Speed Digitizer:** It can capture and record voltage waveforms at high sampling rates (up to 1.8 MS/s) for detailed analysis of dynamic signals.
* **Digital Multimeter (DMM):** It provides precise measurement of various electrical parameters like voltage, current, resistance, and frequency with high resolution (7½ digits).

**Features:**

* **High Measurement Accuracy:** Delivers accurate measurements across voltage, current, and resistance ranges.
* **Wide Measurement Range:** Measures DC voltage from ±10 nV to ±1000 V, DC current from ±1 pA to 3 A, and resistance from 10 µΩ to 5 GΩ.
* **High-Speed Digitizer Capability:** Captures voltage waveforms at rates up to 1.8 MS/s, suitable for analyzing fast-changing signals.
* **Onboard Memory:** Stores captured waveforms for later analysis.
* **PXI Compatibility:** Seamless integration with National Instruments' PXI modular instrumentation platform for system scalability.
* **Software Support:** Compatible with NI LabVIEW software for instrument control, data acquisition, and analysis.

**Applications:**

The PXI-4071 is used in various applications requiring high-speed data acquisition and precise electrical measurements, such as:

* **Automated Test Equipment (ATE):** Performing functional testing of electronic devices and circuits.
* **Power Electronics Testing:** Analyzing power supply performance and signal integrity.
* **Sensor Characterization:** Evaluating the behavior of sensors used in various applications.
* **Machine Condition Monitoring:** Monitoring vibration and electrical signals to detect potential equipment failures.
* **Research and Development:** Capturing and analyzing complex electrical signals in research projects.

**Finding More Information:**

Here are some resources for detailed information about the PXI-4071:

* **National Instruments Website:** The NI website offers a comprehensive resource page for the PXI-4071: [https://www.ni.com/docs/en-US/bundle/pxi-4071-specs/page/specs.html](https://www.ni.com/docs/en-US/bundle/pxi-4071-specs/page/specs.html). This page provides:
    * Product description with detailed specifications.
    * User manuals for installation, operation, and programming.
    * Datasheets with technical specifications.
    * Software compatibility information and resources.
* **Third-Party Resources:**  You might find application notes, tutorials, or discussions related to the PXI-4071 on online communities or forums dedicated to test and measurement equipment.

**Additional Notes:**

* The PXI-4071 requires additional hardware like a PXI chassis and software like NI LabVIEW for complete functionality.
* Working with the PXI-4071 might involve knowledge of:
    * Electrical measurement principles
    * PXI platform and modular instrumentation concepts
    * Programming languages like LabVIEW for data acquisition and analysis

If you have specific questions about using the PXI-4071 or its functionalities, consider consulting the NI website resources or contacting National Instruments' technical support.