SVX8聲速測(cè)定信號(hào)源/SVX-8
SVX8聲速測(cè)定信號(hào)源/SVX-8產(chǎn)品概述
SVX8聲速測(cè)定信號(hào)源是一款專(zhuān)為聲速測(cè)量實(shí)驗(yàn)設(shè)計(jì)的綜合性?xún)x器，適用于高等院校物理實(shí)驗(yàn)教學(xué)及科研領(lǐng)域。該設(shè)備采用模塊化設(shè)計(jì)，支持在空氣、液體和固體（豎立法）三種介質(zhì)中進(jìn)行聲速測(cè)量，可配合駐波法、相位法和時(shí)差法等多種測(cè)量方法使用。儀器內(nèi)置數(shù)字電壓表、頻率表及時(shí)差表，提供正弦波、三角波和方波三種波形輸出，頻率范圍覆蓋50Hz至50kHz，輸出功率達(dá)10W。通過(guò)發(fā)射-接收-示波插座的靈活配置，可直觀顯示宏觀振幅、細(xì)觀波形或李沙育圖形，便于觀察聲波傳播特性。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
教學(xué)應(yīng)用與原理探究
該儀器可用于研究超聲波的產(chǎn)生、發(fā)射、傳播與接收全過(guò)程，幫助理解共振、振動(dòng)合成及波的干涉等物理原理。通過(guò)鼓輪讀數(shù)機(jī)構(gòu)或數(shù)顯尺（分辨率0.01mm）實(shí)現(xiàn)精確距離測(cè)量，搭配外接示波器可分析駐波節(jié)點(diǎn)、相位差或脈沖時(shí)延。其37±3kHz的壓電換能器諧振頻率配合可調(diào)功率輸出，能適應(yīng)不同介質(zhì)的聲學(xué)特性研究需求，如金屬/非金屬固體中的縱波傳播或液體中的聲速溫度相關(guān)性實(shí)驗(yàn)。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
系統(tǒng)擴(kuò)展與兼容性
SVX-8系列可與其他實(shí)驗(yàn)裝置如SV-DH-7A/SVX-7等型號(hào)組合使用，擴(kuò)展游標(biāo)卡尺讀數(shù)或數(shù)顯尺功能。其開(kāi)放式架構(gòu)設(shè)計(jì)允許連接第三方數(shù)據(jù)采集設(shè)備，而標(biāo)準(zhǔn)接口便于集成到自動(dòng)化實(shí)驗(yàn)平臺(tái)中。儀器適用于聲學(xué)材料特性分析、超聲傳感器校準(zhǔn)及波動(dòng)現(xiàn)象演示等跨學(xué)科應(yīng)用場(chǎng)景。717
注意事項(xiàng)
使用需配合雙蹤示波器以完整實(shí)現(xiàn)波形顯示功能，建議在溫度穩(wěn)定環(huán)境中進(jìn)行精密測(cè)量。不同介質(zhì)測(cè)量時(shí)需選用相應(yīng)頻率檔位，并注意保持換能器表面與介質(zhì)的良好耦合。設(shè)備提供一年維護(hù)服務(wù)，具體參數(shù)可能隨技術(shù)改進(jìn)略有調(diào)整。619
SVX8聲速測(cè)定信號(hào)源
的詳細(xì)介紹SVX8聲速測(cè)定信號(hào)源/SVX-8
1.頻率：50Hz～50kHz；2.波形：正弦波-三角波-方波；3.功率：10W；
4.配置：數(shù)字電壓表-頻率表/時(shí)差表；電壓-頻率調(diào)節(jié)；頻率-相位微調(diào)；發(fā)射-接收-示波(4個(gè))插座；駐波法顯示宏觀振幅或細(xì)觀波形；相位法顯示李沙育圖形或細(xì)觀波形；脈沖時(shí)差法、波列時(shí)差法顯示發(fā)射脈沖和接收脈沖。（雙蹤示波器另購(gòu)）
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