NI 9234 4-Channel, ±5 V, 51.2 kS/s per Channel, 24-Bit IEPE

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  • 51.2 kS/s per-channel maximum sampling rate; ±5 V input
  • 24-bit resolution; 102 dB dynamic range; antialiasing filters
  • Software-selectable AC/DC coupling; AC-coupled (0.5 Hz)
  • Software-selectable IEPE signal conditioning (0 or 2 mA)
  • Smart TEDS sensor compatibility
  • NIST-traceable calibration
  • Configure Complete CompactRIO or NI CompactDAQ System
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The NI 9234 is a four-channel C Series dynamic signal acquisition module for making high-accuracy audio frequency measurements from integrated electronic piezoelectric (IEPE) and non-IEPE sensors with NI CompactDAQ or CompactRIO systems. The NI 9234 delivers 102 dB of dynamic range and incorporates software-selectable AC/DC coupling and IEPE signal conditioning for accelerometers and microphones. The four input channels simultaneously digitize signals at rates up to 51.2 kHz per channel with built-in antialiasing filters that automatically adjust to your sampling rate.

Recommended Software
NI sound and vibration analysis software, including the NI Sound and Vibration Measurement Suite and the NI Sound and Vibration Toolkit, provides signal processing functionality for performing audio measurements, fractional-octave analysis, frequency analysis, transient analysis, and order tracking. NI analysis software features NI Sound and Vibration Assistant interactive software for quickly acquiring, analyzing, and logging acoustic, noise, and vibration data. With a configuration-based, flexible measurement library and open-analysis capability, the Sound and Vibration Assistant is designed for quick data capture through a unique software-based measurement approach to create customized applications.

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Specifications Documents

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Specifications Summary

General
Product Name NI 9234
Product Family Industrial I/O
Form Factor CompactDAQ , CompactRIO
Part Number 779680-01
Operating System/Target Real-Time , Windows
LabVIEW RT Support Yes
Measurement Type Microphone , Accelerometer
RoHS Compliant Yes
Signal Conditioning Current excitation , Anti-aliasing filter
Analog Input
Channels 4 , 0
Single-Ended Channels 0
Differential Channels 4
Resolution 24 bits
Sample Rate 51.2 kS/s
Bandwidth 23.04 kHz
Max Voltage 5 V
Maximum Voltage Range -5 V - 5 V
Simultaneous Sampling Yes
Input Impedance 305 kOhm
Dynamic Range 102 dB
Excitation Current 2 mA
Analog Output
Channels 0
Digital I/O
Bidirectional Channels 0
Input-Only Channels 0
Output-Only Channels 0
Counter/Timers
Counters 0
Physical Specifications
Length 9 cm
Width 2.3 cm
I/O Connector BNC connectors
Minimum Operating Temperature -40 °C
Maximum Operating Temperature 70 °C
Minimum Storage Temperature -40 °C
Maximum Storage Temperature 85 °C
Timing/Triggering/Synchronization
Triggers cDAQ Chassis Yes

NI 9234

Bundle Contents

Price: $ 1,787

Modules

NI 9234 779680-01 Included in price

The NI 9234 is a high-accuracy data acquisition (DAQ) module specifically designed for high-channel-count sound and vibration applications.

NI 9234 with Conformal Coating 779680-03 Add $ 173

Sensors

Software - Featuring the Sound and Vibration Assistant:
Compare Products | View Interactive Demo

Basic - NI Sound and Vibration Toolkit 777970-35 Add $ 2,070

An interactive environment for performing basic sound and vibration analysis in the time and frequency domain. Includes data logging functionality. No programming required.

Enhanced - NI Sound and Vibration Measurement Suite 779696-35 Add $ 4,350

Includes full sound and vibration analysis functionality. Provides easy to use tools for analysis from continuous frequency response sweeps to order analysis and tachometer processing. Provides numerous display options such as intensity, waterfall, shaft centerline and orbit plots. Easy to use non programming environment.

LabVIEW

LabVIEW Professional Development System, Windows, English, Include 1 Year SSP 776678-35 Add $ 4,949

For customizing your sound and vibration application. LabVIEW provides a powerful graphical programming environment. Included in the NI Sound and Vibration Measurement Suite and Toolkit are LabVIEW Vis that can save hours of engineering development time in creating customized sound and vibration acquisition and analysis offerings.

Accelerometers

Industrial Accelerometer 780985-01 Add $ 127

Industrial Accelerometer Cable 780984-01 Add $ 53

General Purpose Cables

Price: $ 1,787

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Additional Product Information

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