PXI-4462

The National Instruments PXI-4462 is a four-input sound and vibration acquisition module with 24-bit resolution and sampling up to 204.8 kS/s. It provides selectable gain, AC/DC coupling and IEPE conditioning.

ManufacturerNational Instruments

ModelPXI-4462

Part Number779131-01

Product TypeSound and vibration acquisition module

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Inputs4 simultaneously sampled channels

Resolution24-bit

Maximum sample rate204.8 kS/s

Input gain6 selectable settings

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Overview

Product overview

Key product information and technical features.

Designed for frequency-domain measurements, the PXI-4462 acquires signals from microphones, accelerometers and other wide-dynamic-range transducers within a PXI measurement system.

Software-configurable AC/DC input coupling.
Integrated IEPE sensor conditioning.
Independent per-channel gain and differential or pseudodifferential input configuration.
Class I TEDS support on all module inputs.

Verified specifications

Technical data

Verified product specifications.

Simultaneous analog inputs	4 channels
ADC resolution	24 bits
Sample rate	1 to 204.8 kS/s
Full-scale input ranges	±0.316, ±1, ±3.16, ±10, ±31.6, ±42.4 Vpk
IEPE excitation	0, 4 or 10; independently selectable per channel; ±15% at 4 and 10 mA mA
Typical dynamic range	118 at 0 dB gain, 1–51.2 kS/s, 1 kHz input tone at −60 dBFS dBFS
AC-coupling cutoff	3.4 at −3 dB Hz

Condition & included items

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National Instruments

Manufacturer

PXI

Modular instrumentation platform

PXI-4462

Four-input dynamic signal acquisition module

Compatibility

NI identifies part number 779131-01 as the PXI bus variant and 779688-01 as the PXI Hybrid variant; verify the physical module before selecting a chassis slot.

Check the exact part number and chassis slot type; NI lists distinct PXI and PXI Hybrid variants.

Manuals & software