描述
NI PCI-4462产品详情
NI PCI-4462是一款专为声音和振动测量而设计的高性能动态信号采集模块。它提供四通道模拟输入，可对麦克风、加速度计等传感器产生的信号进行高精度采集。
主要特点
高精度:适用于需要高精度频域测量的应用，如音频测试、NVH分析等。
多通道:四通道同时采集，提高数据采集效率。
灵活配置:可配置输入范围、增益、耦合方式等参数，适应不同测量需求。
软件支持:提供丰富的软件支持，如LabVIEW，方便用户进行编程和数据分析。
应用领域
音频测试:音频设备性能测试、噪声测量等。
NVH分析:汽车、航空航天等领域的噪声、振动和声振粗糙度分析。
机器状态监测:监测机械设备的振动状态，进行故障诊断。
核心功能
动态信号采集:高采样率，捕捉快速变化的信号。
频域分析:提供强大的频谱分析工具，帮助用户深入了解信号特征。
时域分析:支持时域波形显示和分析。
触发功能:支持多种触发方式，方便同步采集。
产品优势
高性能:高精度、高采样率，满足严苛的测量要求。
易用性:提供直观的软件界面和丰富的示例程序。
可靠性:采用工业级设计，保证长期稳定运行。
技术规格（部分）
采样率:最高204.8 kS/s
输入通道:4个
输入范围:可配置
增益:可配置
耦合方式:AC/DC耦合可配置
IEPE调理:支持IEPE传感器
NI PCI-4462 Product Details
NI PCI-4462 is a high-performance dynamic signal acquisition module designed for sound and vibration measurement.It provides four-channel analog input for high-precision acquisition of signals generated by sensors such as microphones and accelerometers.
Main Features
High Precision:Suitable for applications that require high-precision frequency domain measurements,such as audio testing,NVH analysis,etc.
Multi-channel:Four channels are acquired simultaneously to improve data acquisition efficiency.
Flexible Configuration:Configurable parameters such as input range,gain,coupling mode,etc.to meet different measurement needs.
Software Support:Provides rich software support,such as LabVIEW,to facilitate user programming and data analysis.
Application Fields
Audio Test:Audio equipment performance test,noise measurement,etc.
NVH Analysis:Noise,vibration and acoustic roughness analysis in the automotive,aerospace and other fields.
Machine Condition Monitoring:Monitor the vibration state of mechanical equipment and perform fault diagnosis.
Core Functions
Dynamic Signal Acquisition:High sampling rate to capture fast-changing signals.
Frequency Domain Analysis:Provides powerful spectrum analysis tools to help users gain in-depth understanding of signal characteristics.
Time domain analysis:supports time domain waveform display and analysis.
Trigger function:supports multiple trigger modes for easy synchronous acquisition.
Product advantages
High performance:high precision,high sampling rate,to meet stringent measurement requirements.
Ease of use:provides intuitive software interface and rich sample programs.
Reliability:industrial-grade design to ensure long-term stable operation.
Technical specifications(partial)
Sampling rate:up to 204.8 kS/s
Input channels:4
Input range:configurable
Gain:configurable
Coupling mode:AC/DC coupling configurable
IEPE conditioning:supports IEPE sensors
