The NI PXIe-4492 acquires eight sound and vibration inputs simultaneously. It includes IEPE sensor excitation and TEDS support.
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Key product information and technical features.
Designed for microphone and accelerometer measurements, the PXIe-4492 combines acquisition and IEPE signal conditioning in a PXI Express module.
Verified product specifications.
| Analog input channels | 8, simultaneously sampled |
|---|---|
| Input configuration | Pseudodifferential |
| ADC resolution | 24 bit |
| Sample rate range | 100 S/s to 204.8 kS/s |
| Input coupling | AC/DC, selectable per channel |
| Gain settings | 0, 20 dB |
| Full-scale input ranges | ±10 at 0 dB; ±1 at 20 dB Vpk |
| AC coupling cutoff, −3 dB | 0.5 Hz |
| IEPE excitation | 0 or 4, software selectable per channel; ±10% current tolerance mA |
| Analog input connector | InfiniBand 4x |
| PFI 0 trigger connector | SMB |
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Manufacturer
Platform
Acquisition module
Supports TEDS smart sensors.
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Product-specific answers based on available technical information.
Yes. All eight channels support simultaneous sampling.
Yes. It provides selectable IEPE excitation for compatible microphones and accelerometers.