UE防爆壓力開關(guān)工作原理
UE防爆壓力開關(guān)產(chǎn)品工作原理:
UE防爆壓力開關(guān)是通過堅(jiān)固的密封殼體將接線觸點(diǎn)密閉在堅(jiān)固空間中達(dá)到隔爆的效果。
UE防爆壓力開關(guān)工作原理為純機(jī)械形變導(dǎo)致微動(dòng)開關(guān)動(dòng)作。當(dāng)壓力增加時(shí),作用在不同的傳感壓力元器件(膜片、波紋管、活塞)產(chǎn)生形變,將向上移動(dòng),通過欄桿彈簧等機(jī)械結(jié)構(gòu),zui終啟動(dòng)zui上端的微動(dòng)開關(guān),使電信號(hào)輸出,設(shè)定方式從功能原理上又分成連續(xù)位移型和力平衡型。防爆壓力開關(guān)按原理可分為機(jī)械防爆壓力開關(guān)和電子防爆壓力開關(guān),機(jī)械式中又分為普通的和密封型.
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UE防爆壓力開關(guān)常用型號(hào):
J6-222, J6-224, J6-226, J6-230, J6-258, J6-266, J6-270, J6-272, J6-274, H105-S144B, H105-S137B, H105-S134B, H105-S126B, H105-S146B, H105-S156B, H105-S164B, H105-126, H105-134, H105-137, H105-144, H105-146, H105-156, H105-164, J120-520, J120-521, J120-522, J120-523, J120-524, J120-525, J120-530, J120-531, J120-532, J120-533, J120-534, J120-535, J120-171, J120-172, J120-173, J120-174, J120-183, J120-184, J120-185, J120-186, J120-188, J120-189, J120-483, J120-484, J120-485, J120-486, J120-488, J120-489, J120-S126B, J120-S134B, J120-S137B, J120-S144B, J120-S152B, J120-S156B, J120-S164B, J120-190, J120-191, J120-192, J120-193, J120-194, J120-490, J120-491, J120-492, J120-493, J120-494, J120-126, J120-134, J120-137, J120-144, J120-152, J120-156, J120-164, J120-356, J120-358, J120-361, J120-376, J120-270, J120-274, J120-612, J120-616, J120-680, J120-701, J120-702, J120-703, J120-704, J120-705, J120-450, J120-451, J120-452, J120-453, J120-454, J120-550, J120-551, J120-552, J120-553, J120-554, J120-555, H121-S126B, H122-S126B, H122-S134B, H121-S134B, H121-S137B, H121-S144B, H122-S144B, H122-S146B, H121-S146B, H121-S156B, H122-S156B, H122-S164B, H121-S164B, H121-126, H122-126, H122-134, H121-134, H121-137, H121-144, H122-144, H122-146, H121-146, H121-156, H122-156, H122-164, H121-164, H121-358, H122-358, H122-361, H121-361, H121-376, H122-376, H122-612, H121-612, H121-614, H122-614, H122-270, H121-270, H121-274, H122-274, H121-450, H122-450, H122-452, H121-452, H121-453, H122-453, H122-454, H121-454, H121-552, H122-552, H122-553, H121-553, H121-554, H122-554, H122-555, H121-555, H121-701, H121-702, H122-702, H122-703, H121-703, H121-704, H122-704, H122-705, H121-705, B100-120, C100-120, C100-121, B100-121, E100-2BSA, E100-2BSB, E100-3BS, E100-4BS, E100-5BS, E100-8BS, E100-2BCA, E100-2BCB, E100-3BC, E100-4BC, E100-5BC, E100-8BC, F100-1BS, F100-2BS, F100-3BS, F100-4BS, F100-5BS, F100-6BS, F100-7BS, F100-8BS, F100-1BC, F100-2BC, F100-3BC, F100-4BC, F100-5BC, F100-6BC, F100-7BC, F100-8BC, E105-2BSA, E105-5BS, E105-4BS, E105-2BSB, E105-3BS, E105-8BS, B105-120, B105-121
UE防爆壓力開關(guān)技術(shù)參數(shù):
儲(chǔ)存溫度:-54 to 71度;
.環(huán)境溫度:-50 to 71 度;36-39型,520-525型,540-548型,701-705型:-17 to 71度;820E型,822E型:-40 to 71度 環(huán)境溫度每變化28度,設(shè)定點(diǎn)典型漂移值小于全量程的1%E121和E122型,漂移值小于2%;
.設(shè)定點(diǎn)重復(fù)性:溫度開關(guān):為可調(diào)范圍的正負(fù)1%;壓力開關(guān):50-55,S50B-S55B,126-164,S126B-S164B,171-174,270-274,358-376,520-535,560-564,701-705等型號(hào)為可調(diào)范圍的正負(fù)1%;450-559型為可調(diào)范圍的正負(fù)0.5%;36-39,183-194,483-494,565-567,612-680等型號(hào)為可調(diào)范圍的正負(fù)1.5%;
.抗沖擊抗振動(dòng)外殼:經(jīng)10毫秒、15G沖擊實(shí)驗(yàn)后,可重現(xiàn)設(shè)定點(diǎn);經(jīng)2.5G、5-500HZ振動(dòng)實(shí)驗(yàn)后,可重現(xiàn)設(shè)定點(diǎn);鋁合金壓鑄殼體;環(huán)氧樹脂涂層;墊圈密封;前標(biāo)為J,G,F(xiàn)的開關(guān)具有內(nèi)部設(shè)定點(diǎn)鎖定功能;前標(biāo)為B,H,E的型號(hào)則帶有防誤操作氣密鋁制刻度盤盒蓋;鋁合金銘牌;
.外殼等級:NEMA 4x;7;9;Ip66,820E,822E加M300可滿足NEMA 4x標(biāo)準(zhǔn);
.開關(guān)輸出:個(gè)或兩個(gè)單刀雙搓輸出;雙開關(guān)可在調(diào)整范圍內(nèi)進(jìn)行100%分別設(shè)定;開關(guān)可接成“常開型"或“常閉型";
.電額定值:15A,125/250/480VAC,H122P為11A 125/250VAC,B121-13272,B122-13322,E121-13273,E122-13321為22A;
.參考刻度:480VAC;
.重量:B,E和H型:外部參考刻度;J型:內(nèi)部參考刻度;
.電器接口:3-8磅;(因型號(hào)而異);
.壓力接口:H,B,E型有一個(gè)3/4" NPT;J,C,F(xiàn),820E,822E型有兩個(gè)3/4" NPT;標(biāo)準(zhǔn)接線端子;S126B-S164B,171-194,483-494,520-535等型號(hào)的接口為1/2"NPTF;560-564型為2英寸園盤衛(wèi)生等級連接;565-567;
.溫度組件:型為1.5英寸園盤衛(wèi)生等級連接;540-548為1/8"NPT,其它型號(hào)為1/4"NPTF;
.直插:溫包及毛細(xì)管:標(biāo)準(zhǔn)6英尺,304不銹鋼材質(zhì);除了E121-13273和E122-13321為10英尺;
.充填:鍍鎳黃銅;可選316L不銹鋼材質(zhì);除了B121-13272和B122-13322為不銹鋼;
.溫度死區(qū):1BS型:充填溶劑;2BS-8BS:充填無毒油;F120,820E,822E型:典型值為1%;
.差壓指示:B,C,E型:在實(shí)驗(yàn)室條件下,典型值為設(shè)定點(diǎn)范圍的2%;H121K及H122K型差壓開關(guān)帶差壓指示;50%量程時(shí)大約精度為1.5%,在端點(diǎn)兩側(cè)時(shí)為3%;指示窗是
.溫度指示:柔性玻璃材質(zhì);指示器可以進(jìn)行現(xiàn)場調(diào)節(jié),其精度為設(shè)定點(diǎn)范圍的1%820E型,822E型,指示精度為全量程的1%