The National Instruments PXIe-4492 is an 8-channel, 24-bit, 204.8 kS/s PXI sound and vibration module designed for making precision measurements with microphones, accelerometers, and other transducers that have very large dynamic ranges.
It features:
- High-resolution, 24-bit analog-to-digital converters (ADCs) for accurate signal capture
- Wide dynamic range of 113 dB for measuring a wide range of signal levels
- Two selectable input gains for optimizing signal levels for different transducers
- 0.5 Hz AC/DC coupling for measuring both AC and DC signals
- Built-in anti-aliasing filters to prevent signal distortion at high sampling rates
- Software-selectable input filters for further signal conditioning
- TEDS (Transducer Electronic Data Sheet) support for automatic sensor configuration
- Synchronous sampling on all channels for accurate phase measurements
The PXIe-4492 is ideal for a variety of sound and vibration applications, including:
- Noise, vibration, and harshness (NVH) analysis
- Large microphone array measurements
- Dynamic structural testing
- Machine condition monitoring
- Acoustic emission testing
It is also compatible with a wide range of National Instruments data acquisition software, including LabVIEW, DIAdem, and NI SignalExpress.
Here are some additional details about the PXIe-4492:
- Number of channels: 8
- Resolution: 24 bits
- Sample rate: 204.8 kS/s
- Dynamic range: 113 dB
- Input gains: 20 dB, 40 dB
- Input coupling: AC, DC
- Anti-aliasing filters: Yes
- Input filters: Software-selectable
- TEDS support: Yes
- Synchronous sampling: Yes
- Dimensions: 6.375″ x 3.375″ x 0.875″ (16.2 cm x 8.6 cm x 2.2 cm)
- Weight: 1.0 lb (0.45 kg)
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