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    Pressure Sensors

    壓力開關和感測器(又稱「數位壓力感測器」)是一種用來偵測氣體或液體壓力的裝置,它能將壓力變化的單位轉換為電信號,讓技術人員可以監測並控制儀器的內部壓力;而它亦被廣泛應用於航空、電力、化工、供水等各種工業和商業領域。

    壓力開關原理

    壓力開關內部通常包含一個敏感元件,當壓力達到預設值時,敏感元件便會觸發器械的開關機制,自動開啟或關閉電路。這種安全設計令壓力開關在自動控制系統中顯得尤其重要,能確保機器能在安全且有效的壓力範圍內穩定運作。

    壓力感測器的種類

    壓力感測器一般會根據儀器的運作原理而衍生出不同的種類,不同類型的壓力感測器亦適用於不同的環境。以下是較為常見的幾款:

    • 電阻式感測器:電阻式壓力感測器能通過測量應變片的電阻變化來偵測壓力。
    • 電容式感測器:電容式壓力感測器能敏感測量低壓電流,即使在電流過載的情況下也能精確進行測量。
    • 壓電感測器:壓電式感測器一般會使用石英等物料,在施加壓力時會產生電荷,適用於快速變化的壓力測量。
    • 光學感測器:光學壓力感測器利用干涉測量術來監測壓力變化;它不受電磁干擾影響,適用於醫療設備、或噪音較大的環境。
    • 微機電系統(MEMS):MEMS微壓力感測器使用微米級晶片來測量電容或電壓。

    壓力感測器的用途

    壓力感測器的用途多元,在多個行業中都備受重用,例如:

    • 醫療行業:可監測病人的血壓等健康指數。
    • 航空業:可監控飛機運作的壓力。
    • 汽車行業:可測量車輛內部壓力。
    • 海洋領域:作為深海設備的壓力監控。

    選購各款壓力感測器

    RS 歐時提供一系列不同規格和種類的壓力開關和感測器,精選著名的外國品牌包括WIKATelemecanique SensorsAmphenol Advanced SensorsGems Sensors等,當然也不少得我們的自家製品牌——RS Pro,任君挑選,價格實惠,可滿足不同的應用場景需求。

    即日訂購,最快次日發貨,網上落單滿額即享免運費!

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    1 産品
    單價
    Brand
    Pressure Reading Type
    Minimum Pressure Reading
    Maximum Pressure Reading
    Accuracy
    Output Type
    Media Measured
    Process Connection
    Analogue Output
    Electrical Connection
    Communication Protocol
    Response Time
    Maximum Current
    Series
    Supply Voltage
    Interface
    Housing Material
    Hazardous Area Certification
    IP Rating
    Maximum Operating Temperature
    Minimum Operating Temperature
    Mounting Type
    產品詳述
    單價
    Brand
    Pressure Reading Type
    Minimum Pressure Reading
    Maximum Pressure Reading
    Accuracy
    Output Type
    Media Measured
    Process Connection
    Analogue Output
    Electrical Connection
    Communication Protocol
    Response Time
    Maximum Current
    Series
    Supply Voltage
    Interface
    Housing Material
    Hazardous Area Certification
    IP Rating
    Maximum Operating Temperature
    Minimum Operating Temperature
    Mounting Type
    N
    HK$3,220.50
    Aten
    Differential
    -500Pa
    500Pa
    ± 1 %
    -
    -
    -
    -
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    -
    EA1340
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    -
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