Basic Information

Product Model: PCI4472

Brand: National Instruments (NI), USA

Material Number: 77931101

Product Type: High-Precision Dynamic Signal Acquisition Card (DSA)

Bus Type: 32-bit PCI Bus

Product Status: Discontinued

Replacement Model: PXIe4472

Features: 8-channel synchronous input, 24-bit, 110dB IEPE, dedicated for vibration and acoustic applications

2. Applicable Scenarios

Vibration testing, noise measurement, microphone array

Modal analysis, structural health monitoring, NVH testing

IEPE acceleration sensor, industrial equipment fault diagnosis

3. Analog Input

Channel configuration: Eight full-differential synchronous input channels

Sampling resolution: 24-bit DeltaSigma ADC

Sampling rate: Up to 51,200 samples per second

Analog bandwidth: DC to 45 kHz

Dynamic range: 110 dB

Total harmonic distortion: -95 dB

Input coupling: Independent AC/DC switching for each channel

IEPE constant current supply: 0 mA or 4 mA selectable for each channel

Input range: Programmable ±10V or ±1V, two ranges

Input impedance: 1 MΩ in parallel with 240 pF

4. Analog Output

No analog output channels

5. Triggering and Synchronization

Trigger interface: One SMB external trigger

Synchronization bus: Supports RTSI multi-card synchronization

Anti-aliasing filter: Built-in programmable high-order filter

TEDS: Supports sensor electronic data sheet

6. Physical and Electrical Specifications

Card specification: Standard PCI half-length card

Interface type: Eight BNC inputs, one SMB trigger

Power supply: PCI slot power supply +5V +12V

Operating temperature: 0 to 55 degrees Celsius

Operating humidity: 10% to 90% non-condensing

Weight: Approximately 250 grams

7. Software Compatibility

Driver: NIDAQmx

Development environment: LabVIEW, C#, C++, Visual Studio

Operating system: Windows XP, 7, 10, 11, 32/64-bit

8. Core Features

Eight-channel 24-bit synchronous acquisition, suitable for multi-channel sensing

Independent IEPE 4mA selectable for each channel, compatible with piezoelectric sensors

Two input ranges: ±10V or ±1V, covering common signals

Built-in anti-aliasing filter to ensure measurement accuracy

RTSI multi-card synchronization, expandable to more channels

BNC interface plug-and-play, suitable for precise vibration and acoustic measurements