
🔍 Hover to zoomHigh-precision 24-bit simultaneous sampling data acquisition module with built-in IEPE signal conditioning for accurate sound and vibration measurements
| Brand | NI |
| Model | 9234 |
| Voltage | 5 V / 3.3 V (powered from CompactDAQ/CompactRIO chassis) |
| Country of Origin | USA |
| Weight | 0.17 kg |
| Dimensions | 144.3 x 88.1 x 22.9 mm (C Series module) |
| Certifications | CE, FCC, UL, RoHS |
| SKU / MPN | 781857-01 |
| What’s in the box | NI 9234 DAQ module, calibration certificate, quick start guide, protective backshell |
| Number of Channels | 4 simultaneous analog inputs |
| ADC Resolution | 24-bit |
| Max Sample Rate | 51.2 kS/s per channel |
| Input Range | ±5 V |
| Signal Conditioning | Integrated IEPE (4 mA excitation) |
| Channel-to-Earth Isolation | 250 Vrms |
Key benefits: 24-bit resolution for high-fidelity measurements, simultaneous sampling on all 4 channels, integrated IEPE excitation eliminates external signal conditioning, 250 Vrms channel-to-earth isolation protects the system, plug-and-play compatibility with CompactDAQ and CompactRIO chassis
Typical applications: Vibration analysis, acoustic and noise monitoring, machine condition monitoring, structural health monitoring, modal analysis, audio testing, engine and powertrain NVH testing, in-vehicle data logging
Lifecycle: Active product with continued NI/Emerson support and replacement through NI CompactDAQ/CompactRIO ecosystem
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