Description
The National Instruments PXI-4461 is a PXI Sound and Vibration Module that features a part number of 779687-01. This module falls under the category of PXI DSA and is designed for a variety of applications including audio test, automotive NVH (Noise, Vibration, and Harshness), and machine condition monitoring. The PXI-4461 model supports two-channel dynamic signal generation and acquisition, making it a versatile tool for engineers and technicians.
One of the key features of this module is its ability to adjust gain settings. Users can select one of six gain settings for input range design, allowing for a wide range of signal strengths to be accurately captured and analyzed. Additionally, the module offers programmable AC/DC coupling and IEPE conditioning for flexible signal conditioning options.
Terminal arrangements for analog inputs (AI) include both differential and pseudo-differential configurations. This flexibility ensures compatibility with a variety of sensor types and signal sources. The module also boasts a resistance of 50 Ω between the outer BNC shell and chassis frame, ensuring robust signal integrity.
To prevent aliasing, digital filters are incorporated into the module, allowing for clean signal processing and analysis. The PXI-4461 features 24-bit resolution ADCs (Analog to Digital Converters), providing high-precision data acquisition. Sampling rates are software-programmable and include options such as 44.1 kS/s and 48.0 kS/s, accommodating a range of time-domain and frequency-domain analyses.
For organizations requiring traceable calibrations, the PXI-4461 offers calibration services that are accredited by NIST. These services are available through a third party, ensuring that the module meets rigorous standards for accuracy and reliability.
In summary, the National Instruments PXI-4461 PXI Sound and Vibration Module is a powerful and flexible solution for a wide range of sound and vibration analysis applications. Its comprehensive set of features and specifications make it a valuable tool for professionals in various industries.
| Specification | Detail |
|---|---|
| Part Number | 779687-01 |
| Category | PXI DSA |
| Model | PXI-4461 |
| Description | National Instruments PXI-4461 PXI Sound and Vibration Module |
| Channels | Two-channel dynamic signal generation and acquisition |
| Gain Settings | One of six gain settings for input range design |
| Input Coupling | Programmable AC/DC coupling and IEPE conditioning |
| Applications | Audio test, automotive NVH, machine condition monitoring |
| Terminal Arrangements for AI | Differential and pseudo-differential |
| Resistance | 50 Ω between the outer BNC shell and chassis frame |
| Digital Filters | Yes, to prevent aliasing |
| Resolution | 24-bit resolution ADCs |
| Sampling Rates | Software-programmable, including 44.1 kS/s and 48.0 kS/s |
| Calibration | Available, NIST accredited calibrations through a 3rd party |
Question 1: What is the part number for the National Instruments PXI-4461?
Answer 1: 779687-01
Question 2: How many channels does the PXI-4461 support?
Answer 2: Two-channel acquisition
Question 3: Can the PXI-4461 adjust gain settings?
Answer 3: Yes, it offers six gain settings.
Question 4: What is the resolution of the PXI-4461’s ADC?
Answer 4: 24-bit resolution
Question 5: Does the PXI-4461 offer NIST traceable calibrations?
Answer 5: Yes, through a third party.




