Description
The NI PXI-4461 is a high-performance, PXI Digital Signal Analyzer (DSA) designed for a wide range of applications, including audio testing, automotive NVH (Noise, Vibration, and Harshness), and machine condition monitoring. With its part number 779687-01, this device stands out for its remarkable technical specifications and versatility.
Featuring a dynamic range of 118 dB and a 24-bit resolution, the PXI-4461 offers unparalleled accuracy and precision in signal analysis. It supports a maximum sampling rate of 204.8 kS/s, with examples of lower rates such as 44.1 kS/s and 48.0 kS/s, making it suitable for a wide spectrum of audio frequencies.
The device provides 2 input and 2 output channels, with input channels configuration options including differential and pseudo-differential settings. This flexibility allows users to adapt the device to various signal types and conditions. Furthermore, the input range design is adjustable with one of six gain settings, ensuring optimal signal integrity under different conditions.
For applications requiring direct current or alternating current measurements, the PXI-4461’s coupling is AC/DC configurable. Additionally, it supports IEPE (Integrated Electronics Piezo-Electric) conditioning, making it highly effective for use with IEPE sensors in vibration and acoustic measurements.
The device also includes digital filters to prevent aliasing, ensuring that the signal integrity is maintained without the introduction of artifacts. For organizations requiring verifiable accuracy, the PXI-4461 offers calibration availability, with NIST accredited calibrations available through a third party.
In summary, the NI PXI-4461 is a versatile and powerful tool for professionals in industries that demand high fidelity and precision in signal analysis and measurement. Its comprehensive range of features and configurations ensures that it can meet the needs of the most demanding applications.
| Specification | Detail |
|---|---|
| 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 |
| Applications | Audio test, automotive NVH, machine condition monitoring |
| Input Channels Configuration | Differential, Pseudo-differential |
| Input Range Design | One of six gain settings |
| Coupling | AC/DC configurable |
| IEPE Conditioning | Supported |
| Analog Input Channels | 24-bit resolution, Digital filters to stop aliasing |
| Sampling Rate Examples | 44.1 kS/s, 48.0 kS/s |
| Calibration Availability | Yes, with NIST accredited calibrations through a 3rd party |
Question 1: What is the dynamic range of the NI PXI-4461?
Answer 1: 118 dB
Question 2: What maximum sampling rate does the PXI-4461 support?
Answer 2: 204.8 kS/s
Question 3: How many input/output channels does the PXI-4461 have?
Answer 3: 2 In/2 Out
Question 4: Is the PXI-4461 suitable for IEPE sensor measurements?
Answer 4: Yes, it supports IEPE conditioning.
Question 5: Can the PXI-4461’s input coupling be configured to AC/DC?
Answer 5: Yes, it is AC/DC configurable.
