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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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    產品詳述
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    Pressure Reading Type
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    Process Connection
    Analogue Output
    Electrical Connection
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    Maximum Current
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    Hazardous Area Certification
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    -
    -
    -
    -
    -
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    -
    -
    -
    -
    -
    -
    -
    HK$2,954.80
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    -
    -
    -
    -
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    -
    -
    -
    -
    -
    -
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    -
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    -
    -
    -
    -
    HK$4,576.70
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    -
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    -
    -
    -
    -
    -
    -
    -
    -
    HK$3,003.00
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    Absolute, Gauge
    100mbar
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    0.3 %
    Analogue
    -
    -
    -
    -
    -
    -
    -
    Cerabar PMC21
    -
    -
    -
    -
    -
    -
    -
    -
    HK$4,384.00
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    Absolute, Gauge
    400mbar
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    0.5 %
    Analogue
    -
    -
    -
    -
    -
    -
    -
    Ceraphant PTP33B
    -
    -
    -
    -
    -
    -
    -
    -
    HK$3,003.00
    Endress+Hauser
    Absolute, Gauge
    100mbar
    40bar
    0.3 %
    Analogue
    -
    -
    -
    -
    -
    -
    -
    Cerabar PMC21
    -
    -
    -
    -
    -
    -
    -
    -
    HK$8,538.10
    Endress+Hauser
    Absolute, Gauge
    15psi
    6000psi
    0.1 %
    -
    -
    -
    -
    -
    -
    -
    -
    Cerabar PMP51
    -
    -
    -
    -
    -
    -
    -
    -
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