Description
The National Instruments PXI-4461 PXI Sound and Vibration Module, identified by its part number 18690 (779687-01), falls under the category of PXI DSA (Dynamic Signal Acquisition). This module is designed to facilitate high-precision sound and vibration analysis and is well-suited for a variety of applications including audio test, automotive NVH (Noise, Vibration, Harshness), and machine condition monitoring.
At the heart of the PXI-4461 are its capabilities for two-channel dynamic signal generation and two-channel acquisition, providing users with flexible and powerful tools for comprehensive analysis. The module offers one of six gain settings in its input range design, allowing for adaptable measurement sensitivity based on the requirements of the specific application. Furthermore, the PXI-4461 features programmable AC/DC coupling and IEPE conditioning, enhancing its utility in a wide range of testing environments.
For signal acquisition, the module boasts 24-bit resolution ADCs (Analog-to-Digital Converters) that are simultaneously sampled, ensuring high fidelity data capture. Users can benefit from differential and pseudo-differential terminal arrangements for AI (Analog Input), which provide flexibility in connecting various types of sensors and transducers. The PXI-4461 supports sampling rates of 44.1 kS/s and 48.0 kS/s, accommodating a broad spectrum of audio frequencies.
To maintain its accuracy and reliability, the PXI-4461 module can undergo calibration. This process is available through NIST accredited calibrations provided by a third party, ensuring that the module meets rigorous standards for precision and performance. Such a feature is vital for applications requiring the highest levels of data integrity and reproducibility.
In summary, the National Instruments PXI-4461 module is an advanced solution for professionals in need of robust and versatile sound and vibration analysis tools. Its combination of dynamic signal generation and acquisition capabilities, coupled with its flexible input range design, programmable coupling and conditioning, and high-resolution sampling, make it an indispensable asset in the field of dynamic signal analysis.
| Specification | Detail |
|---|---|
| Part Number | 18690 (779687-01) |
| Category | PXI DSA (Dynamic Signal Acquisition) |
| Model | PXI-4461 |
| Description | National Instruments PXI-4461 PXI Sound and Vibration Module |
| Channels | Two-channel dynamic signal generation and two-channel acquisition |
| Input Range Design | One of six gain settings |
| Coupling and Conditioning | Programmable AC/DC coupling and IEPE conditioning |
| Applications | Audio test, automotive NVH, machine condition monitoring |
| Terminal Arrangements for AI | Differential and pseudo-differential |
| Analog Input Channels | 24-bit resolution ADC, simultaneously sampled |
| Sampling Rates | 44.1 kS/s, 48.0 kS/s |
| Calibration | Available, NIST accredited calibrations through a 3rd party |
Question 1: What is the part number of the PXI-4461 module?
Answer 1: 18690 or 779687-01
Question 2: What is the main use of the PXI-4461 module?
Answer 2: Sound and vibration analysis.
Question 3: How many channels does PXI-4461 support for acquisition?
Answer 3: Two-channel acquisition.
Question 4: What is the resolution of the ADCs in PXI-4461?
Answer 4: 24-bit resolution.
Question 5: Can the PXI-4461 undergo calibration?
Answer 5: Yes, NIST accredited calibration is available.
