Description
The National Instruments PXI-4461 PXI Sound and Vibration Module, with part number 188003H-01L (779687-01), falls under the category of PXI DSA. This module is designed for a wide range of applications, including audio test, automotive NVH (Noise, Vibration, and Harshness), and machine condition monitoring. It features a two-channel dynamic signal generation and acquisition system that offers versatility in testing and measurement scenarios.
The PXI-4461 is equipped with a selectable input range design, providing users with one of six gain settings for optimal signal fidelity. The module facilitates both programmable AC/DC coupling and IEPE conditioning, allowing for a broad array of sensor types and signals to be accurately captured and analyzed. Furthermore, the device supports differential and pseudo-differential terminal arrangements, ensuring compatibility with various wiring configurations and signal types.
With a focus on precision, the module boasts 24-bit resolution analog-to-digital converters, which ensures high-quality data acquisition. The resistance is specified as 50 Ω between the BNC shell and the chassis frame, highlighting the module’s robust electrical design. To prevent aliasing, digital filters are integrated, enhancing the signal’s purity and usability.
Users can tailor the module’s operation on a per-channel basis for either differential mode or pseudo-differential mode, offering flexibility in measurement setups. Additionally, the module’s acquisition clock can be synchronized with other devices, facilitating complex, multi-channel, and synchronized testing scenarios. The triggering options include both digital and analog triggers, providing versatility in starting acquisition based on specific conditions or events.
In summary, the National Instruments PXI-4461 offers a comprehensive solution for sound and vibration analysis, accommodating a wide range of applications through its flexible configuration, high-resolution data acquisition, and sophisticated signal conditioning capabilities.
| Specification | Detail |
|---|---|
| Part Number | 188003H-01L (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 |
| 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 | Differential and pseudo-differential |
| Resistance | 50 Ω between the BNC shell and chassis frame |
| Filters | Digital filters to stop aliasing |
| Configuration | Per channel basis for differential mode and pseudo-differential mode |
| Synchronization | Acquisition clock can be synchronized with other devices |
| Triggering | Digital and analog |
| Resolution | 24-bit resolution analog-to-digital converters |

