影響壓力開關壽命的因素
來源:編輯YY 時間:2014-08-09 08:54 點擊:次
1.潮濕、粉塵環境
壓力開關如果長期處于潮濕環境中,很容易引起漏電的情況還會造成短路的情況,因此,干燥潔凈的使用環境是最適合壓力開關工作了。另外如果被測介質還帶有粉塵,應選擇密封性能良好的壓力開關,否則粉塵會滲入到壓力開關的各個元件里面,逐漸損壞壓力開關。
2.高溫環境
壓力開關在高溫環境中工作,一些元件是很容易被熔化的,所以要么選擇時選擇耐高溫壓力開關,要么采取對應措施,如加裝冷凝裝置。
3.易燃環境
針對這種環境,為了人身安全及生產安全,用戶應該事先選擇防爆型壓力開關,普通壓力開關是達不到這種防爆要求的,很容易給安全帶來隱患。
4.腐蝕環境
如果壓力開關要在強腐蝕環境中工作,則需對壓力開關采取嚴格的防護措施,否則強酸強堿不僅會造成外殼磨損,還會影響內部的電路結構。
壓力開關的穩定性是保證壓力開關使用壽命的重要因素之一,而使用環境又恰恰是影響穩定性的因素,因此用戶在使用時,務必要針對不同環境使用不同的壓力開關。
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