Description
Detailed Parameter Table
Parameter Name | Parameter Value |
Product model | NI NI-9234 |
Manufacturer | National Instruments (NI) |
Product category | C Series Sound and Vibration Input Module |
Input Voltage Range | ±5 V |
Resolution | 24 bits |
Maximum Sampling Rate | 51.2 kS/s per channel |
Number of Channels | 4 analog input channels |
Input Coupling | AC/DC (software-selectable) |
AC Cutoff Frequency | 0.5 Hz typ (-3 dB), 4.6 Hz max (-0.1 dB) |
IEPE Excitation Current | 2.0 mA min, 2.1 mA typ |
Overvoltage Protection | ±30 V (signal source connected to AI+ and AI-) |
Communication Interface | USB (via NI CompactDAQ or CompactRIO) |
Operating Temperature Range | -40°C to 70°C |
Storage Temperature Range | -40°C to 85°C |
Humidity | 10% to 90% RH (non-condensing) |
Dimensions (W x H x D) | 101.6 mm x 63.5 mm x 19.05 mm |
Weight | 173 g (6.1 oz) |
Certifications | CE, UL, CSA, ATEX, IECEx |
NI NI-9234
Product Introduction
The NI NI-9234 is a high-precision, 4-channel sound and vibration input module designed for use in NI CompactDAQ or CompactRIO systems. It is capable of measuring signals from integrated electronic piezoelectric (IEPE) and non-IEPE sensors, such as accelerometers, tachometers, and proximity probes. The module features 24-bit resolution and a maximum sampling rate of 51.2 kS/s per channel, providing wide dynamic range and high-precision measurements.
Core Advantages and Technical Highlights
High Precision and Dynamic Range:
The NI NI-9234 offers 24-bit resolution and a wide dynamic range of 102 dB, ensuring high-precision measurements.
Versatile Signal Conditioning:
The module supports software-selectable AC/DC coupling and IEPE signal conditioning, making it suitable for a wide range of sensor types.
Built-in Filters:
Each channel features built-in anti-aliasing filters that automatically adjust to the user-specified sampling rate, ensuring accurate signal representation.
TEDS Compatibility:
The NI NI-9234 is compatible with smart TEDS sensors, providing enhanced sensor identification and calibration.
Robust Industrial Design:
With an operating temperature range of -40°C to 70°C and IP40 protection rating, the module is designed for use in harsh industrial environments.
NI NI-9234
Typical Application Scenarios
The NI NI-9234 is widely used in various industrial and research applications:
Industrial Automation: For precise vibration and noise measurements in manufacturing processes.
Research and Development: For high-precision data acquisition in laboratory settings.
Automotive Testing: For measuring noise, vibration, and harshness (NVH) in vehicle systems.
Aerospace: For vibration monitoring in aircraft systems.
Related Model Recommendations
NI 9237: A 4-channel, 24-bit thermocouple input module for temperature measurements.
NI 9219: A 4-channel, 24-bit analog input module with ±10 V range and 25 kS/s per channel.
NI USB-9162: A single-module USB carrier for the NI-9234, enabling direct connection to a computer via USB.
Installation, Commissioning, and Maintenance Instructions
Installation Preparation:
Ensure the installation environment meets the specified temperature and humidity requirements. The module should be installed in a location with adequate ventilation to dissipate heat. Verify that the power supply voltage is within the specified range to avoid damage to the module.
Maintenance Suggestions:
Regularly inspect the installation to ensure the module is securely mounted and all connections are tight. Monitor the operational status of the module to detect any signs of malfunction early. Conduct functional testing on the module at least once a year to ensure optimal performance.
Service and Guarantee Commitment
National Instruments provides comprehensive support for the NI NI-9234, including a robust warranty that ensures product quality and reliability. The company offers extensive after-sales services such as technical support, repair services, and spare part supply. NI’s global network of service centers ensures prompt assistance and expert guidance, demonstrating the company’s commitment to customer satisfaction and product excellence.
Full 12-month warranty on all components
Dedicated after-sales support
Same-day dispatch on 1000s of parts
All units are fully tested
- 1. Email confirmation
You will get an email confirming that we have received your enquiry. - 2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition. - 3. Your quote
You will receive a comprehensive quote tailored to your specific needs.