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撥號021-57897489
  • HS5731型1/3倍頻程濾波器

    HS5731型1/3倍頻程濾波器符合IEC225和國家標準(GB)的各項要求。與HS5670聲級計連用,可進行中心頻率從25—20,000Hz(30個通帶)的頻率分析。本儀器通過面板按鈕手工操作可選擇要測量的頻率。

    更新日期:2022-07-31
    訪問量:764
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