NI+PXI-4461

Software-configurable AC/DC coupling and IEPE conditioning: The NI PXI-4461 provides software-controlled configuration for AC/DC coupling and IEPE(Integrated Electronic piezoelectric) conditioning.
The AC coupling blocks the DC component of the signal and helps eliminate the bias voltage of the microphone.
Dc coupling allows measurement of the AC and DC components of the signal.
The IEPE conditioning provides excitation power and signal conditioning for the ICP(Integrated circuit piezoelectric) accelerometer, which is a common vibration sensor.

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Description

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Product Name:

NI PXI-4461

NI: National Instruments, a well-known manufacturer of electronic test instruments and automation systems.
PXI: Indicates compatibility with PXI bus, a high performance computer bus standard for industrial automation and measurement applications.
4461: May be a specific model for sound and vibration data acquisition modules in the National Instruments PXI product line.

Product Description:

The NI PXI-4461 module is designed for high-precision acquisition of sound and vibration data. Here are the main features:

2-channel analog input: This module offers two dedicated analog input channels for connecting microphones, accelerometers, and other sensors that convert physical vibrations or sound pressure into electrical signals.
High precision: The module features a high-resolution analog-to-digital converter (adc) that captures fine details in sound and vibration signals.
Wide dynamic range: It can handle a wide range of signal amplitudes, making it suitable for measuring quiet sounds and loud noises, or low and high levels of vibration.

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