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National Instruments PXI-4472B Sound and vibration acquisition module
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National Instruments · PXI

PXI-4472B

The National Instruments PXI-4472B is an eight-input PXI sound and vibration module optimized for vibration and low-frequency AC measurements. It combines simultaneous acquisition with integrated IEPE conditioning for accelerometers and microphones.

ManufacturerNational Instruments
ModelPXI-4472B
Product TypeSound and vibration acquisition module
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30-Day Warrantystandard coverage
30-Day Returnspolicy applies
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Inputs8 simultaneously sampled channels
Resolution24-bit
Maximum sample rate102.4 kS/s per channel
AC cutoff0.5 Hz
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Overview

Product overview

Key product information and technical features.

Within the NI 447x family, the PXI-4472B addresses low-frequency vibration acquisition. Its 0.5 Hz AC cutoff distinguishes it from the PXI-4472, whose AC cutoff is 3.4 Hz.

Built-in antialiasing filters adjust automatically with the sample rate. Multiple PXI-4472B modules can be synchronized for higher-channel-count measurements.

  • Integrated IEPE conditioning supports accelerometers and microphones.
  • Eight input channels digitize signals simultaneously.
  • Software-selectable AC or DC input coupling.
  • Sample-rate-tracking antialiasing filters.
Verified specifications

Technical data

Verified product specifications.

Analog input channels8, simultaneously sampled
ADC resolution24 bit
ADC typeDelta-sigma
Sample rate range1.0 to 102.4 kS/s per channel
Input configurationPseudodifferential
Input range±10 Vpk
AC −3 dB cutoff0.5 Hz
IEPE excitation0 or 4 mA, ±5%; independently software-selectable per channel
Analog input connectorsSMB male
Form factorOne 3U CompactPCI slot
Operating temperature0 to 55 °C
Condition & included items

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Compatibility

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National Instruments

Manufacturer

PXI

Modular instrumentation platform

PXI-4472B

Sound and vibration acquisition

Synchronization

PXI_STAR supports up to 14 devices per chassis.

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Manuals & software

Technical resources

Manuals, software and technical resources for this model.

NI 447x SpecificationsSpecifications · docs-be.ni.com
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PXI-4472B Official Product OverviewProduct Page, Chinese · ni.com
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NI-DAQmx for Linux/x86 64-bit 21.3 ReadmeTechnical resource
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Shipping, warranty & returns

Commercial terms

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Warranty
30-Day Warranty. Standard coverage applies.
Returns
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FAQ

Product-specific questions

Product-specific answers based on available technical information.

How does the PXI-4472B differ from the PXI-4472?

The PXI-4472B has a lower AC cutoff of 0.5 Hz, versus 3.4 Hz for the PXI-4472, supporting lower-frequency AC vibration measurements.

Can it acquire all eight channels simultaneously?

Yes. All eight input channels digitize simultaneously.

Does it provide conditioning for IEPE sensors?

Yes. Integrated IEPE conditioning is provided for accelerometers and microphones; check the sensor's excitation requirements before connection.

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