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PXI-4498
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National Instruments · PXI

PXI-4498

The NI PXI-4498 is a 16-input PXI sound and vibration module with simultaneous 24-bit acquisition at up to 204.8 kS/s per channel. It includes IEPE signal conditioning and TEDS sensor support.

ManufacturerNational Instruments
ModelPXI-4498
Part Number779747-01
Product TypeSound and vibration data acquisition module
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Analog inputs16, simultaneously sampled
Resolution24-bit
Maximum sample rate204.8 kS/s per channel
Input gains0, 10, 20, 30 dB
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Overview

Product overview

Key product information and technical features.

Designed for high-channel-count acoustic and vibration measurements, the PXI-4498 works with microphones, accelerometers, and other dynamic transducers. Its built-in antialiasing filters track the selected sampling rate.

Analog signals connect through InfiniBand 4x connectors, while an SMB connector provides the PFI 0 digital trigger connection. NI documents BNC connectivity through the BNC-2144 or an InfiniBand 4x-to-8-BNC cable assembly.

  • Independent software selection of gain for each input channel.
  • Per-channel IEPE excitation with sensor open- and short-circuit detection.
  • TEDS support for smart sensor setup.
  • Per-channel digital overload detection and external digital triggering.
Verified specifications

Technical data

Verified product specifications.

Analog input channels16 channels
ADC resolution24 bit
Maximum simultaneous sample rate204.8 kS/s per channel
Input gain settings0, 10, 20, 30 dB
Input ranges by gain0 dB: ±10.0 V; 10 dB: ±3.16 V; 20 dB: ±1.00 V; 30 dB: ±0.316 V
Input couplingAC only
Analog input connector typeInfiniBand 4x
Digital trigger connectorSMB, PFI 0
Dimensions excluding connectors16 × 10 cm
Weight326 g
Condition & included items

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Compatibility

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National Instruments

Manufacturer

PXI

Module bus and platform

PXI-4498

Sound and vibration acquisition module

Compatibility

Supports IEPE sensor excitation and TEDS-enabled sensors.

Verify the chassis slot supports PXI; do not substitute PXIe-4498 specifications for this model.
Manuals & software

Technical resources

Manuals, software and technical resources for this model.

NI PXI-4498 Product PageProduct Page · ni.com
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NI 449x SpecificationsSpecifications · docs-be.ni.com
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NI Dynamic Signal Acquisition User ManualUser Manual · docs-be.ni.com
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Shipping, warranty & returns

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Warranty
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Returns
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FAQ

Product-specific questions

Product-specific answers based on available technical information.

Does the PXI-4498 sample all inputs simultaneously?

Yes. All 16 inputs support simultaneous sampling at up to 204.8 kS/s per channel.

Can the PXI-4498 measure DC signals?

Its inputs are AC-coupled only; it is not a DC-coupled acquisition module.

Which manufacturer part number identifies this model?

NI lists 779747-01 for the PXI-4498.

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