Description
The NI PXI-4461 is a high-performance, 24-bit Dynamic Signal Acquisition (DSA) device designed for sound and vibration applications, audio test, automotive NVH (Noise, Vibration, and Harshness), and machine condition monitoring. With part numbers 186900A-01 (listed) and 779687-01 (detail), this PXI DSA module falls into a specialized category of test and measurement equipment.
At the core of its capabilities, the PXI-4461 offers a dynamic range of 118 dB and a software-programmable sampling rate of up to 204.8 kS/s. This makes it particularly suitable for precise measurements in a variety of demanding applications. The device features two input and two output channels, facilitating two-channel acquisition and dynamic signal generation.
The input configuration of the PXI-4461 supports both differential and pseudo-differential signals, with six selectable gain settings to tailor the input range design to specific requirements. Furthermore, it offers programmable AC/DC coupling, alongside IEPE conditioning, which is essential for integrating with a wide array of sensors.
The 24-bit ADC on the analog input channels ensures high-resolution data acquisition, pivotal for capturing the subtle nuances in sound and vibration signals. The device also supports both digital and analog triggering, providing flexibility in synchronization and signal processing tasks.
In summary, the NI PXI-4461 is a versatile and powerful tool for professionals working in fields that require high-fidelity sound and vibration data analysis. Its combination of high dynamic range, flexible input/output configurations, and programmable sampling rates, alongside its specialized features for sound and vibration testing, make it an invaluable component in any advanced measurement system.
| Specification | Detail |
|---|---|
| Part Number | 186900A-01 (Listed), 779687-01 (Detail) |
| 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, audio test, automotive NVH, machine condition monitoring |
| Input Configuration | Differential, Pseudo-differential |
| Gain Settings | Six selectable gain settings for input range design |
| Coupling | Programmable AC/DC coupling, IEPE conditioning |
| Input Channels | Two-channel acquisition |
| Output Channels | Two-channel dynamic signal generation |
| Resolution | 24-bit ADC on analog input channels |
| Sampling Rate | Software-programmable up to 204.8 kS/s |
| Dynamic Range | 118 dB |
| Triggering | Digital and analog |
| Calibration |
Question 1: What is the dynamic range of the NI PXI-4461? Question 2: How many input and output channels does the PXI-4461 have? Question 3: What is the maximum sampling rate of the PXI-4461? Question 4: Can the PXI-4461 handle differential signals? Question 5: Is IEPE conditioning available on the PXI-4461? Related Products |
