The National Instruments PXI-4498 is a high-performance, multi-channel sound and vibration module designed for PXI systems. It’s known for its:
Key Features:
- 16 analog input channels: ideal for capturing multiple sound or vibration signals simultaneously.
- High sampling rate: 204.8 kS/s per channel, suitable for capturing fast-changing signals.
- Wide dynamic range: 114 dB, ensuring accurate measurements even for very quiet or very loud signals.
- 4 gain settings: provides flexibility for adapting to different signal amplitudes.
- AC/DC coupling: allows you to measure both AC and DC signals.
- 0.5 Hz AC coupling: eliminates low-frequency noise for cleaner measurements.
- IEPE constant current excitation: ideal for powering and measuring piezoelectric transducers (such as accelerometers and microphones).
Applications:
- Sound and vibration testing: measuring noise, vibration, and acoustic emissions in various industries, including automotive, aerospace, and manufacturing.
- Audio testing: characterization of audio equipment, speakers, and microphones.
- Modal analysis: studying the dynamic behavior of structures and machines.
- Machine condition monitoring: detecting early signs of wear and tear in machinery.
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