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當(dāng)前位置:首頁技術(shù)文章聲級計(jì)校準(zhǔn)儀 型號:DP-ND9 說明

聲級計(jì)校準(zhǔn)儀 型號:DP-ND9 說明

更新時間:2016-09-29點(diǎn)擊次數(shù):1609

聲級計(jì)校準(zhǔn)器(噪音計(jì)校準(zhǔn)器)/聲級計(jì)校準(zhǔn)儀   型號:DP-ND9
聲級計(jì)校準(zhǔn)器簡介
聲級計(jì)校準(zhǔn)器項(xiàng) 目 參 數(shù)
產(chǎn)品名稱 聲級計(jì)校準(zhǔn)器(噪音計(jì)校準(zhǔn)器)
產(chǎn)品型號 DP-ND9A  DP- ND9B
標(biāo)準(zhǔn) ANSI S1.40 CLASS2, IEC942
輸出聲級 94dB & 114dB
頻率 1000Hz+2.4%
準(zhǔn)確度 0.5dB(ND9B:0.3dB)
電源 9V 6F22 BATTERY
外形尺寸 145X47X47mm
應(yīng)用 1",1/2"聲級計(jì)的校準(zhǔn)

 

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