VACUUM SWITCH壓力開(kāi)關(guān)

VACUUM SWITCH壓力開(kāi)關(guān)產(chǎn)品的激勵(lì)電源分為正比激勵(lì)和固定激勵(lì)。前者是將壓力傳感器電橋直接接到電源上，當(dāng)電源改變時(shí)，壓力傳感器的靈敏度和零點(diǎn)都隨之發(fā)生變化。后者內(nèi)部有一個(gè)參考電壓，壓力傳感器電橋由參考電壓供電激勵(lì)。參考電壓是恒定的，與電源無(wú)關(guān)。只要電源電壓在一指定電壓范圍內(nèi)變化，參考電壓不變。因而傳感器的輸出不變，不受電源電壓的影響。

VACUUM SWITCH壓力開(kāi)關(guān)產(chǎn)品型號(hào)如下：

UEDA SEISAKUSHO壓力開(kāi)關(guān)PL-650-1-R3B,

UEDA SEISAKUSHO壓力開(kāi)關(guān)PL-650-2-R3B,

PRESSURE SWITCH壓力開(kāi)關(guān)PL-650-3-R3B,

UEDA SEISAKUSHO壓力開(kāi)關(guān)PL-650-4-R3B,

PRESSURE SWITCH壓力開(kāi)關(guān)PL-650-5-R3B,

UEDA SEISAKUSHO壓力開(kāi)關(guān)PL-650-6-R3B,

PRESSURE SWITCH壓力開(kāi)關(guān)PL-650-7-R3B,

UEDA SEISAKUSHO壓力開(kāi)關(guān)PL-651-10-R3B,

UEDA SEISAKUSHO壓力開(kāi)關(guān)PL-651-11-R3B,

PRESSURE SWITCH壓力開(kāi)關(guān)PL-651-12-R3B,

UEDA SEISAKUSHO壓力開(kāi)關(guān)PH-650-8-R3SB,

PRESSURE SWITCH壓力開(kāi)關(guān)PH-650-9-R3SB,

PRESSURE SWITCH壓力繼電器PM-501-R3B,

UEDA SEISAKUSHO壓力開(kāi)關(guān)PM-502-R3B,

PRESSURE SWITCH壓力開(kāi)關(guān)PM-503-R3B,

UEDA SEISAKUSHO壓力開(kāi)關(guān)PM-504-R3B,

PRESSURE SWITCH壓力開(kāi)關(guān)PM-505-R3B,

UEDA SEISAKUSHO壓力開(kāi)關(guān)PM-506-R3SB,

PRESSURE SWITCH壓力開(kāi)關(guān)PM-507-R3SB,

PRESSURE SWITCH壓力繼電器PM-501DC-G3B,

PRESSURE SWITCH壓力開(kāi)關(guān)PM-502DC-G3B,

PRESSURE SWITCH壓力開(kāi)關(guān)PM-503DC-G3B,

UEDA SEISAKUSHO壓力開(kāi)關(guān)PM-504DC-G3B,

PRESSURE SWITCH壓力開(kāi)關(guān)PM-505DC-G3B,

UEDA SEISAKUSHO壓力開(kāi)關(guān)PM-506DC-G3SB,

UEDA SEISAKUSHO壓力開(kāi)關(guān)PM-507DC-G3SB,

UEDA SEISAKUSHO壓力開(kāi)關(guān)PM-501DC10-F3B,

PRESSURE SWITCH壓力開(kāi)關(guān)PM-502DC10-F3B,

UEDA SEISAKUSHO壓力開(kāi)關(guān)PM-503DC10-F3B,

PRESSURE SWITCH壓力開(kāi)關(guān)PM-504DC10-F3B,

PRESSURE SWITCH壓力繼電器PM-505DC10-F3B,

PRESSURE SWITCH壓力開(kāi)關(guān)PM-506DC10-F3SB,

PM-507DC10-F3SB壓力開(kāi)關(guān)UEDA SEISAKUSHO,

PRESSURE SWITCH壓力開(kāi)關(guān)PM-501DC10-R3B,

PM-502DC10-R3B壓力開(kāi)關(guān)UEDA SEISAKUSHO,

PRESSURE SWITCH壓力開(kāi)關(guān)PM-503DC10-R3B,

UEDA SEISAKUSHO壓力開(kāi)關(guān)PM-504DC10-R3B,

PM-505DC10-R3B壓力開(kāi)關(guān)UEDA SEISAKUSHO,

PRESSURE SWITCH壓力開(kāi)關(guān)PM-506DC10-R3SB,

PRESSURE SWITCH壓力繼電器PM-507DC10-R3SB,

UEDA SEISAKUSHO壓力開(kāi)關(guān)PM-601-R3B,

PRESSURE SWITCH壓力開(kāi)關(guān)PM-602-R3B,

PM-603-R3B壓力開(kāi)關(guān)UEDA SEISAKUSHO,

PRESSURE SWITCH壓力開(kāi)關(guān)PM-604-R3B,

UEDA SEISAKUSHO壓力開(kāi)關(guān)PM-605-R3B,

PRESSURE SWITCH壓力開(kāi)關(guān)PM-606-R3SB,

PM-607-R3SB壓力開(kāi)關(guān)UEDA SEISAKUSHO,

PRESSURE SWITCH壓力開(kāi)關(guān)PM-601DC-G3B,

UEDA SEISAKUSHO壓力開(kāi)關(guān)PM-602DC-G3B,

PRESSURE SWITCH壓力開(kāi)關(guān)PM-603DC-G3B,

UEDA SEISAKUSHO壓力開(kāi)關(guān)PM-604DC-G3B,

PRESSURE SWITCH壓力開(kāi)關(guān)PM-605DC-G3B,

PRESSURE SWITCH壓力繼電器PM-606DC-G3SB,

PRESSURE SWITCH壓力開(kāi)關(guān)PM-607DC-G3SB,

PM-601DC10-F3B壓力開(kāi)關(guān)UEDA SEISAKUSHO,

PRESSURE SWITCH壓力開(kāi)關(guān)PM-602DC10-F3B,

UEDA SEISAKUSHO壓力開(kāi)關(guān)PM-603DC10-F3B,

PRESSURE SWITCH壓力開(kāi)關(guān)PM-604DC10-F3B,

PM-605DC10-F3B壓力開(kāi)關(guān)UEDA SEISAKUSHO,

PRESSURE SWITCH壓力開(kāi)關(guān)PM-606DC10-F3SB,

UEDA SEISAKUSHO壓力開(kāi)關(guān)PM-607DC10-F3SB,

PRESSURE SWITCH壓力開(kāi)關(guān)PM-601DC10-R3B,

PRESSURE SWITCH壓力繼電器PM-602DC10-R3B,

PRESSURE SWITCH壓力開(kāi)關(guān)PM-603DC10-R3B,

PM-604DC10-R3B壓力開(kāi)關(guān)UEDA SEISAKUSHO,

PRESSURE SWITCH壓力開(kāi)關(guān)PM-605DC10-R3B,

PM-606DC10-R3SB壓力開(kāi)關(guān)UEDA SEISAKUSHO,

UEDA SEISAKUSHO壓力開(kāi)關(guān)PM-607DC10-R3SB,

PRESSURE SWITCH壓力繼電器P5S-1-R3B,

PRESSURE SWITCH壓力開(kāi)關(guān)P5S-3-R3B,

P5S-5-R3B壓力開(kāi)關(guān)UEDA SEISAKUSHO,

PRESSURE SWITCH壓力開(kāi)關(guān)P5S-7-R3B,

P5S-10-R3B壓力開(kāi)關(guān)UEDA SEISAKUSHO,

PRESSURE SWITCH壓力開(kāi)關(guān)P5S-20-R3B,

P5S-40-R3B壓力開(kāi)關(guān)UEDA SEISAKUSHO,

PRESSURE SWITCH壓力開(kāi)關(guān)P5S-60-R3SB,

UEDA SEISAKUSHO壓力開(kāi)關(guān)P5S-80-R3SB,

P5W-1-R3B壓力開(kāi)關(guān)UEDA SEISAKUSHO,

PRESSURE SWITCH壓力開(kāi)關(guān)P5W-3-R3B,

UEDA SEISAKUSHO壓力開(kāi)關(guān)P5W-5-R3B,

PRESSURE SWITCH壓力開(kāi)關(guān)P5W-7-R3B,

P5W-10-R3B壓力開(kāi)關(guān)UEDA SEISAKUSHO,

VACUUM SWITCH壓力開(kāi)關(guān)產(chǎn)品是當(dāng)系統(tǒng)內(nèi)壓力高于或低于額定的安全壓力時(shí)，感應(yīng)器內(nèi)碟片瞬時(shí)發(fā)生移動(dòng)，通過(guò)連接導(dǎo)桿推動(dòng)開(kāi)關(guān)接頭接通或斷開(kāi)，當(dāng)壓力降至或升額定的恢復(fù)值時(shí)，碟片瞬復(fù)位，開(kāi)關(guān)自動(dòng)復(fù)位，或者簡(jiǎn)單的說(shuō)是當(dāng)被測(cè)壓力超過(guò)額定值時(shí)，彈性元件的自由端產(chǎn)生位移，直接或經(jīng)過(guò)比較后推動(dòng)開(kāi)關(guān)元件，改變開(kāi)關(guān)元件的通斷狀態(tài)，達(dá)到控制被測(cè)壓力的目的。壓力開(kāi)關(guān)采用的彈性元件有單圈彈簧管、膜片、膜盒及波紋管等。常見(jiàn)的使用范圍有電力、石油、化工、冶金、鍋爐、食品機(jī)械、環(huán)保設(shè)備等行業(yè)。