廈門(mén)興潤(rùn)星貿(mào)易有限公司     
業(yè)務(wù)負(fù)責(zé)人:龍工
咨詢--： 86-0592-（）
咨詢--- 86-
咨詢---: 3044734884
咨詢-：3044734884
地址：福建省廈門(mén)市海滄區(qū)泰地海西自貿(mào)區(qū)中心A501

NI USB-4431是一款5通道USB動(dòng)態(tài)信號(hào)采集模塊，用于通過(guò)集成電路壓電式(IEPE)與非集成電路壓電式(IEPE)傳感器進(jìn)行高精度聲音和振動(dòng)測(cè)量。 USB-4431的四路通道具有針對(duì)傳感器的信號(hào)調(diào)理功能。 第五路通道是一個(gè)模擬輸出通道。

該模塊具有多路模擬輸入(AI)通道，采樣率范圍從1 S/s到102.4 kS/s，且所有AI通道同時(shí)進(jìn)行采樣。 USB-4431的AI通道具有100 dB動(dòng)態(tài)范圍，且每個(gè)AI通道具有用于加速度計(jì)和麥克風(fēng)的軟件可選式交流/直流耦合與IEPE信號(hào)調(diào)理。 這些通道還可兼容IEEE 1451.4 (TEDS)傳感器，以實(shí)現(xiàn)傳感器即插即用功能。

模擬輸出(AO)通道是激勵(lì)-響應(yīng)測(cè)試的理想之選，可同步至AI通道。 AO通道還具有zui高96 kS/s的更新速率和89 db的動(dòng)態(tài)范圍。

*使用的軟件
NI聲音與振動(dòng)分析軟件（包括：NI聲音和振動(dòng)測(cè)量套件及NI聲音與振動(dòng)工具包）提供信號(hào)處理功能，適合噪聲、振動(dòng)和聲振粗糙度(NVH)應(yīng)用。 NI分析軟件包括NI聲音與振動(dòng)助手交互式軟件，用于快速采集、分析并記錄聲學(xué)、噪音和振動(dòng)數(shù)據(jù)。 借助靈活且基于配置的測(cè)量庫(kù)和開(kāi)放式分析功能，聲音與振動(dòng)助手能夠通過(guò)基于軟件的*測(cè)量來(lái)快速捕捉數(shù)據(jù)，進(jìn)而創(chuàng)建自定義應(yīng)用程序。

• 4路模擬輸入通道；±10 V；102.4 kS/s同步采樣率
• 單路模擬輸出通道；±3.5 V；96 kS/s更新速率
• 24位分辨率，可使模擬輸出(AO)和模擬輸入(AI)通道獲得良好的信噪比
• 軟件可選的IEPE信號(hào)調(diào)理（0 mA或2.1 mA）
• 可溯源至NIST的校準(zhǔn)
• 便攜式USB供電設(shè)備

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