SVX8声速测定信号源/SVX-8
SVX8声速测定信号源/SVX-8产品概述
SVX8声速测定信号源是一款专为声速测量实验设计的综合性仪器,适用于高等院校物理实验教学及科研领域。该设备采用模块化设计,支持在空气、液体和固体(竖立法)三种介质中进行声速测量,可配合驻波法、相位法和时差法等多种测量方法使用。仪器内置数字电压表、频率表及时差表,提供正弦波、三角波和方波三种波形输出,频率范围覆盖50Hz至50kHz,输出功率达10W。通过发射-接收-示波插座的灵活配置,可直观显示宏观振幅、细观波形或李沙育图形,便于观察声波传播特性。12
Technical Features of SVX-8 Sonic Velocity Measurement Signal Source
The SVX-8 features a versatile signal generation system with frequency-phase fine-tuning and voltage-frequency adjustment functions. Its multi-waveform output (sine/triangle/square wave) accommodates diverse experimental requirements, while the 4-channel oscilloscope interface allows simultaneous monitoring of emission and reception signals. The equipment integrates a digital display for real-time parameter tracking and supports pulse/continuous wave time-difference methods for high-precision velocity measurement in different media. The compact design includes detachable liquid tanks and test racks for enhanced operational flexibility.712
教学应用与原理探究
该仪器可用于研究超声波的产生、发射、传播与接收全过程,帮助理解共振、振动合成及波的干涉等物理原理。通过鼓轮读数机构或数显尺(分辨率0.01mm)实现精确距离测量,搭配外接示波器可分析驻波节点、相位差或脉冲时延。其37±3kHz的压电换能器谐振频率配合可调功率输出,能适应不同介质的声学特性研究需求,如金属/非金属固体中的纵波传播或液体中的声速温度相关性实验。411
Experimental Methodology Support
Three measurement approaches are supported: the standing wave method for amplitude visualization, phase comparison via Lissajous figures, and time-of-flight analysis with μs-level timing resolution. The dual-rail positioning screw drive system ensures stable adjustment during continuous measurements. Optional components include solid sample holders and temperature-controlled liquid cells for advanced research applications. This system effectively bridges theoretical acoustics with practical engineering measurement techniques.2122
系统扩展与兼容性
SVX-8系列可与其他实验装置如SV-DH-7A/SVX-7等型号组合使用,扩展游标卡尺读数或数显尺功能。其开放式架构设计允许连接第三方数据采集设备,而标准接口便于集成到自动化实验平台中。仪器适用于声学材料特性分析、超声传感器校准及波动现象演示等跨学科应用场景。717
注意事项
使用需配合双踪示波器以完整实现波形显示功能,建议在温度稳定环境中进行精密测量。不同介质测量时需选用相应频率档位,并注意保持换能器表面与介质的良好耦合。设备提供一年维护服务,具体参数可能随技术改进略有调整。619
SVX8声速测定信号源
的详细介绍SVX8声速测定信号源/SVX-8
1.频率:50Hz~50kHz;2.波形:正弦波-三角波-方波;3.功率:10W;
4.配置:数字电压表-频率表/时差表;电压-频率调节;频率-相位微调;发射-接收-示波(4个)插座;驻波法显示宏观振幅或细观波形;相位法显示李沙育图形或细观波形;脉冲时差法、波列时差法显示发射脉冲和接收脉冲。(双踪示波器另购)
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