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    Voltmeters

    伏特計,又稱電壓表,是用來測量兩點之間電位差(電壓)的基本測試儀器。廣泛應用於電子、電力與電氣系統中,它們可協助工程師與技術人員準確掌握電路中的電壓狀況,確保設備運作正常並防止潛在風險。

    伏特計類型

    根據顯示方式與測量性質不同,伏特計大致可分為以下幾種類型:

    • 指針式伏特計:使用機械指針在刻度盤上顯示電壓數值,常見於基本電氣測試,操作簡單但精度較低。屬於傳統指針電壓表類型。
    • 數位式伏特計:又稱數位電壓電流表,透過數字顯示幕清楚呈現測量結果,具備高解析度與自動量程功能,常用於實驗與維修工作中。
    • 直流伏特計:專門用於測量直流電壓(DC),如電池、太陽能板或電子元件的電壓評估。
    • 交流伏特計:設計用於量測交流電壓(AC),例如家用電源系統與工業用電設備,常與數位式設計搭配使用。

    伏特計的重要性

    伏特計在電氣與電子領域扮演關鍵角色,其重要性體現在以下幾個方面:

    • 準確量測電壓:提供精確電壓值,有助於分析與診斷電氣系統異常。
    • 保證操作安全:在維修或測試前,確認電壓狀態,降低觸電風險。
    • 多用途性:可應用於各式電壓測量需求,從低壓電子裝置到高壓系統皆適用。
    • 易於閱讀顯示:不論是傳統指針或現代數位顯示器,皆便於操作人員判讀。

    電壓表的工業用途

    伏特計可應用於多種工業與技術領域,以下為其常見用途:

    • 電壓監控:持續監控設備或系統的工作電壓,確保運作穩定並及時偵測異常。
    • 故障診斷與排除:透過比較各測點電壓,有效找出問題所在,提升維修效率。
    • 產品測試:在生產線上進行電壓測試,確保電子產品品質符合標準。
    • 元件檢測:針對電阻、二極體等元件進行電壓檢查,判別其功能是否正常。
    • 馬達與驅動器:檢測工業馬達或變頻驅動器的輸入與輸出電壓,協助設備調校與維護。

    選購各款精選電壓表

    RS 是香港可靠的電壓表與伏特計供應商,提供來自 RS PROMurata Power SolutionsLascar等品牌的產品。我們涵蓋指針式電壓表、數位電壓電流表、直流與交流測量儀器,支援多量程與高精度需求,適用於維修、檢測與教育用途。

    透過 RS 香港線上平台下單快速便利,支援多元付款方式並提供穩定快速的物流配送服務。大多數現貨商品可於下一工作日內送達,協助您即時完成測試任務。我們也提供其他測試儀器如萬用表頻譜儀電力計,協助您建立完整測試設備配置。

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    1 産品
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    Brand
    Current Type
    Number of Digits
    Display Type
    Cutout Height
    Cutout Width
    Depth
    Supply Voltage
    Digit Height
    Meter Accuracy
    Analogue Effect
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    Meter Type
    Maximum Temperature
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    產品詳述
    單價
    Brand
    Current Type
    Number of Digits
    Display Type
    Cutout Height
    Cutout Width
    Depth
    Supply Voltage
    Digit Height
    Meter Accuracy
    Analogue Effect
    Minimum Temperature
    Meter Type
    Maximum Temperature
    Measurement Range
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    HK$1,137.85
    SMC
    Vdc
    3-1/2 Digits
    7 Segment LED
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    ±0.5 %
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