NI PCI-4462 | Sound and vibration module

Description

The National Instruments PCI‑4462 (Part Number: 779309-01) comes with information sources that have both simple and advanced channels actualized in equipment to anticipate associating. Information signals initially go through a settled simple channel to evacuate any signs with frequency segments past the range of the ADCs. It has 4 differential analog input channels with a 24-bit ADC resolution. The PCI 4462 NI Device has two channels of 24-bit determination, high-constancy simple output. A typical use of the simple output is to empower a framework under test while estimating the frequency reaction with the simple information sources. The output changes happen at the same time at programmable rates up to 204.8 kS/s. This instrument has a simple output hardware that works with eight times more oversampling interpolators and 64-times more oversampling delta-sigma modulators. Due to these rates, the NI PCI-4462 can give outstanding virtue. This model also offers 0, 20, or 40 dB of software-programmable constriction, which is accessible on the output channels. The NI PCI 4462 Sound and Vibration Device has brilliant evenness of ±0.1 dB. While refreshing the output channels, the user can simultaneously gain information on the data channels. The device is equipped with a BNC female analog I/O connectors, and a SMB male digital trigger connector. It has a 3.3 V or 5 V PCI bus interface with 1 analog input DMA channel. The NI device has a warm-up time of 15 minutes, and is self-calibrated–it can also be externally calibrated, with a recommended calibrationinterval of 1 year. This Sound and Vibration Device’s output channels have both simple and computerized anti-imaging filters. These channels expel the undesirable out-of-band segments created when a simple signal is delivered from digital information. The digital channels, by dismissing images caused by the mentioned 8-times oversampling process, will constrain the data transmission of the output signal to a large portion of the first change rate. The AC/DC coupled device weighs 8.0 oz., and measures 6.9 x 3.9 in. in physical dimensions. It has a recommended operating temperature range of 0 to 55 °C, and a storage temperature of -20 to 70 °C.

Main Parameters Resolution: 24 bits. Sampling Rate: Up to 204.8kS/s. Dynamic Range: 118dB. Input Range: ±316mV to 42.4V. Gain Settings: 6 programmable gain settings. Input Channels: 4-channel synchronous dynamic signal acquisition, supporting differential/pseudo-differential input configurations. Bandwidth: 92kHz anti-aliasing bandwidth. Coupling Mode: Software-configurable AC/DC coupling. IEPE Conditioning: Integrated Electronic Piezoelectric (IEPE) conditioning, which can be configured via software.Functional Features High-precision Measurement: With a 24-bit resolution and a high dynamic range of 118dB, it can accurately collect sound and vibration signals and perform high-precision frequency domain measurements. Multi-channel Synchronous Acquisition: The 4-channel synchronous acquisition function enables simultaneous acquisition of multiple signal sources, which is suitable for applications that require synchronous measurement of multiple related signals, such as vibration modal analysis and audio system testing. Flexible Signal Conditioning: It supports software-configurable AC/DC coupling, allowing users to select the appropriate coupling mode according to different sensor types and measurement requirements. The integrated IEPE conditioning function makes it convenient to connect IEPE-type sensors, such as microphones and accelerometers, to ensure accurate measurement. Multiple Triggering Methods: It provides analog and digital triggering functions. The acquisition can be triggered by external signals, and internal triggering conditions can also be set to meet the triggering requirements in different application scenarios and achieve precise signal acquisition synchronization. Module Synchronization Function: It can be synchronized with other NI data acquisition modules or instruments, which is convenient for building complex multi-channel data acquisition systems to achieve more comprehensive measurement and analysis.Application Fields Audio Testing: Performance testing of audio devices such as speakers and microphones, including frequency response, distortion measurement, etc. Automotive Testing: Used for the NVH (Noise, Vibration, and Harshness) analysis of automobiles, such as engine vibration testing and in-vehicle noise measurement, to evaluate the comfort and quality of the vehicle. Mechanical Vibration Analysis: Monitor and analyze the vibration of mechanical equipment, such as the vibration measurement of motors, fans, gearboxes, etc., for fault diagnosis and equipment health monitoring. Environmental Noise Monitoring: Monitor the noise level in the environment, such as the noise measurement in industrial environments, urban environments, etc., to evaluate the impact of environmental noise on humans and equipment.

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