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數(shù)顯壓力開關(guān)的原理與特點(diǎn)
一、數(shù)顯壓力開關(guān)的原理
當(dāng)系統(tǒng)設(shè)備內(nèi)的壓力高于或低于設(shè)定的壓力值時(shí)，壓力開關(guān)內(nèi)部的壓力感應(yīng)器會(huì)立即動(dòng)作，使開關(guān)內(nèi)部的微動(dòng)開關(guān)斷開或閉合，此時(shí)系統(tǒng)設(shè)備會(huì)停止運(yùn)行；而當(dāng)系統(tǒng)的壓力恢復(fù)到設(shè)定的壓力范圍內(nèi)，那么開關(guān)會(huì)立即復(fù)位，繼續(xù)正常工作。
二、數(shù)顯壓力開關(guān)的特點(diǎn)
1.使用被測介質(zhì)廣泛，可測油、水及其他復(fù)雜介質(zhì)，具有一定的防腐能力。
2.數(shù)顯壓力開關(guān)選用了高精度傳感器，重復(fù)性誤差小，穩(wěn)定性高。
3.數(shù)顯壓力開關(guān)體積小、重量輕、安裝、調(diào)試、使用方便。
4.數(shù)顯壓力開關(guān)采用了不銹鋼全封閉外殼，防水性能優(yōu)越。
5.可以直接感測被測液位壓力，不受介質(zhì)起泡、沉積的影響。
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