Description
The National Instruments PXI-4461 PXI Sound and Vibration Module is designed for a wide range of applications, including audio testing, automotive noise, vibration, and harshness (NVH), and machine condition monitoring. This module is identified by part numbers 166827A-01L and 779687-01, categorizing it under the PXI DSA (Dynamic Signal Acquisition) category.
The PXI-4461 model features two-channel dynamic signal generation and acquisition, making it a versatile choice for engineers and scientists needing high-quality data acquisition and generation. With its input range design offering one of six gain settings, users can optimize the signal to noise ratio and accuracy of their measurements.
This module also provides programmable AC/DC coupling and IEPE conditioning, allowing for a wide variety of sensors to be connected directly to the module without the need for external signal conditioning. The terminal configurations for analog inputs are available in both differential and pseudo-differential modes, accommodating a variety of sensor types and wiring configurations.
Each input channel is equipped with digital filters, which can be configured on a per-channel basis. This feature, along with the module’s ability to synchronize the acquisition clock with other devices, makes it ideal for complex data acquisition systems requiring precise timing and synchronization. Digital and analog triggering options further enhance the module’s versatility, allowing users to capture critical events with high accuracy.
The PXI-4461 boasts a 24-bit ADC that samples simultaneously, ensuring high-resolution measurements. It supports sample rates of 44.1 kS/s and 48.0 kS/s, suitable for a wide range of audio and vibration analysis tasks. For users requiring validated accuracy and reliability, NIST accredited calibrations are available, providing assurance in the module’s performance and measurement accuracy.
| Specification | Details |
|---|---|
| Part Number | 166827A-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 Configurations for AI | Differential and pseudo-differential |
| Input Channel Features | Digital filters, configurable per channel basis |
| Synchronization | Acquisition clock can be synchronized with other devices |
| Triggering | Digital and analog |
| Resolution | 24-bit ADC, simultaneously sampled |
| Sample Rates | 44.1 kS/s, 48.0 kS/s |
| Calibration | Available, NIST accredited calibrations through a 3
Question 1: What is the part number for the National Instruments PXI-4461? Question 2: How many channels does the PXI-4461 have? Question 3: Can the PXI-4461 directly connect to IEPE sensors? Question 4: What is the resolution of the PXI-4461’s ADC? Question 5: Are NIST accredited calibrations available for the PXI-4461? |




