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PXI-4472

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PXI-4472, 8-Channel, SMB Male I/O Connectors, PXI Sound and Vibration Module

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National Instruments PXI-4472 PXI Sound and Vibration Module

National Instruments developed the high-performance dynamic signal acquisition module PXI-4472 (Part Numbers: 778664-01, 778279-01, 187123M-01L) for measuring vibration and sound in industrial automation and testing applications. With its eight input channels, it provides high-accuracy, simultaneous sampling of input signals using delta-sigma ADCs with 24-bit resolution. The difference between the part numbers for the module is that part number 778279-01 is the standard version, while part number 778664-01 describes the version of the device with a sound and vibration measurement suite. For accelerometers and microphones, integrated electronic piezoelectric (IEPE) signal conditioning is integrated, meeting a variety of measuring requirements. Furthermore, integrated antialiasing filters dynamically adapt to the sample rate in order to avoid aliasing and guarantee precise data collection.

The PXI-4472 provides accurate measurements throughout a bandwidth of DC to 45 kHz, with a maximum sampling rate of 102.4 kS/s and an AC cutoff frequency of 3.4 Hz. The PXI-4472B variant has a lower AC cutoff frequency of 0.5 Hz for applications that are specific to vibration. There are two trigger modes that are available: pretrigger and posttrigger, providing extensive trigger capabilities. Trigger sources include analog input channels, external digital triggers, the PXI trigger bus, RTSI bus, or software triggers. This guarantees synchronized acquisition, which is essential for catching fleeting signals like vibrations brought on by hits. The PXI star trigger bus facilitates the synchronization of several PXI-4472 modules, guaranteeing a skew of less than 1 ns between devices. This great precision makes it possible to synchronize across channels, which is essential for applications that need precise measurements of amplitude and phase. The PXI-4472 offers DMA bus-master transfer speeds of 20 to 30 MB/s and burst rates up to 132 MB/s with the use of PCI mini-MITE for effective data transmission.

A 1,024-sample analog input FIFO further guards against data loss in high-speed acquisition. NI-DAQmx serves as the hardware and operating system interface, enabling seamless integration with LabVIEW, LabWindows/CVI, and Measurement Studio software. This makes it easier to integrate automated test systems and other hardware components to create complete testing solutions. With the backing of the NI Sound and Vibration Measurement Suite and the NI Sound and Vibration Toolkit, the PXI-4472 is perfect for a variety of audio and vibration analysis applications. Power spectra, frequency responses, fractional-octave analysis, sound-level measurements, order spectra, order maps, and order extraction can all be produced with the use of these toolkits.

The PXI-4472 is no longer available from National Instruments (NI), but the Sound and Vibration Module will remain available with Apex Waves! Apex Waves stocks, buys, and repairs end-of-life NI hardware in perpetuity.

ModelPXI-4472
ManufacturerNational Instruments
Part Numbers778279-01, 187123M-01L
HTS Code8471804000
SeriesDSA Devices
TypePXI Sound and Vibration Module
Analog Input Channels8
High-Pass Filter Cutoff Frequency3.4 Hz (PXI-4472), 0.5 Hz (PXI-4472B)
Maximum Sample Rate102.4 kS/s
Input Signal Range±10 V Peak
Dynamic Range111 dB, 99 dB
Total Harmonic Distortion (THD)−102 dBc
Analog I/O ConnectorsSMB Male
Operating Temp Range0 to 55 °C
Storage Temp Range–20 to 70 °C
PriceRequest a Quote
ManualsNI Manuals Available for Free Download

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National Instruments PXI-4472 Frequently Asked Questions

 

Question: Does the PXI-4472 offer antialiasing features?

Answer: Yes, the device has built-in antialiasing filters that automatically adjust to your sample rate.

 

Question: Does the PXI-4472 utilize IEPE signal conditioning?

Answer: Yes, the module incorporates IEPE (integrated electronic piezoelectric) signal conditioning.

 

Question: Does this sound and vibration module use modulating ADCs?

Answer: Yes, the NI PXI-4472 uses delta-sigma modulating ADCs to deliver low noise and low distortion.

 

Question: What software analysis tools are recommended for use with the NI PXI-4472?

Answer: The module can be used with the Sound and Vibration Toolkit, as well as a variety of other software analysis tools.

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Common Typos:

OXI-4472, PXU-4472, PXI-4R72, PXI-447W, PXI-447E

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