Description
The National Instruments PXI-4461 is a PXI Sound and Vibration Module designed to meet a variety of dynamic signal generation and acquisition needs. This module, identified by part number 779687-01, falls under the PXI DSA category, showcasing its utility in high-performance sound and vibration applications.
The PXI-4461 is equipped with two-channel dynamic signal generation and acquisition, making it versatile for a wide range of testing scenarios. Its input range is configurable with one of six gain settings, providing flexibility to accommodate different signal levels. Furthermore, signal coupling can be easily configured for either AC or DC, depending on the specific requirements of the test setup.
An essential feature of the PXI-4461 is its IEPE conditioning, which is included to support sensors that require constant current excitation. Additionally, the module supports both differential and pseudo-differential input terminal configurations, enhancing its adaptability to various sensor types.
The resistance between the BNC shell and the chassis is rated at 50 Ω, ensuring a robust connection interface. To maintain signal integrity and prevent aliasing, digital filters are implemented for the analog inputs. The module boasts 24-bit ADCs (Analog-to-Digital Converters), providing high-resolution data for thorough analysis.
Sampling rates are software-programmable, with options such as 44.1 kS/s and 48.0 kS/s available, allowing users to tailor the data acquisition process to their specific needs. Calibration of the PXI-4461 is available, with options for NIST accredited calibration, ensuring accurate and reliable measurements. The recommended calibration period is annually or every two years, helping maintain the module’s performance over time.
| Specification | Details |
|---|---|
| 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 |
| Input Range | Configurable with one of six gain settings |
| Signal Coupling | AC/DC configurable |
| IEPE Conditioning | Included |
| Input Terminal Configurations | Differential and pseudo-differential |
| Resistance between BNC shell and chassis | 50 Ω |
| Analog Input Filters | Digital filters to prevent aliasing |
| Resolution | 24-bit ADCs |
| Sampling Rates | Software-programmable, e.g., 44.1 kS/s, 48.0 kS/s |
| Calibration | Available, with NIST accredited options |
| Recommended Calibration Period | Annually or every two years |
Question 1: What is the part number for the PXI-4461?
Answer 1: 779687-01
Question 2: How many channels does the PXI-4461 have?
Answer 2: Two-channel
Question 3: Does the PXI-4461 support IEPE conditioning?
Answer 3: Yes
Question 4: What is the resistance between the BNC shell and chassis?
Answer 4: 50 Ohm
Question 5: What are the software-programmable sampling rates for PXI-4461?
Answer 5: 44.1 kS/s and 48.0 kS/s




