Description
The NI PXI-4461 is a high-performance, dynamic signal analyzer and generator designed for precision sound and vibration applications. With a part number of 779687-01, this device falls under the category of PXI DSA, making it an ideal choice for engineers and technicians working in fields such as audio testing, automotive NVH (Noise, Vibration, and Harshness), and machine condition monitoring.
This model, the PXI-4461, boasts an impressive 24 Bit resolution and a maximum sampling rate of 204.8 kS/s. It features 2 input and 2 output channels, providing a dynamic range of up to 118 dB. This capability ensures the accurate capture and generation of high-fidelity audio signals, making it perfectly suited for detailed analysis and testing.
Equipped with two-channel dynamic signal generation and acquisition, the PXI-4461 offers versatility for a range of applications. It supports a configurable input range with six gain settings, allowing users to adapt the device to various signal levels. Furthermore, it includes options for programmable AC/DC coupling and IEPE conditioning, enhancing its compatibility with a wide array of sensors and transducers.
The device also features differential and pseudo-differential terminal configurations for analog input, ensuring reliable and accurate signal measurements. With a resistance between BNC shell and chassis of 50 Ω, it maintains excellent signal integrity.
To prevent aliasing, the PXI-4461 comes with digital filters, ensuring that only the desired signal frequencies are captured. Its sampling rates are software-programmable, including common standards such as 44.1 kS/s and 48.0 kS/s, providing flexibility for various testing and analysis scenarios.
For organizations requiring verified accuracy, calibration services are available, with options for NIST accredited calibrations through a third party. This ensures that the PXI-4461 meets the highest standards for precision and reliability in measurement
| Specification | Details |
|---|---|
| Part Number | 779687-01 |
| Category | PXI DSA |
| Model | PXI-4461 |
| Description | NI PXI-4461, 24 Bit, 204.8 kS/s, 2 In/2 Out, 118 dB Dynamic Range |
| Application | Sound and vibration applications including audio test, automotive NVH, and machine condition monitoring |
| Channels | Two-channel dynamic signal generation and acquisition |
| Input Range | Configurable with six gain settings |
| Coupling | Programmable AC/DC coupling and IEPE conditioning |
| Terminal Configurations for AI | Differential and pseudo-differential |
| Resistance between BNC shell and chassis | 50 Ω |
| Digital Filters | Available to prevent aliasing |
| Sampling Rates | Software-programmable, includes 44.1 kS/s and 48.0 kS/s |
| Calibration | Available, with options for NIST accredited calibrations through a 3rd party |
Question 1: What is the resolution of the PXI-4461?
Answer 1: 24 Bit
Question 2: How many input channels does the PXI-4461 have?
Answer 2: 2 input channels
Question 3: What is the max sampling rate of the PXI-4461?
Answer 3: 204.8 kS/s
Question 4: Does the PXI-4461 support AC/DC coupling?
Answer 4: Yes, it supports programmable AC/DC coupling.
Question 5: Can the PXI-4461’s sampling rate be software-programmed?
Answer 5: Yes, sampling rates are software-programmable.
