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掛(gua)接地(di)(di)線(xian)是保(bao)護檢修人(ren)員(yuan)的(de)一道安全屏(ping)障，是電(dian)力員(yuan)工的(de)生命線(xian)，可防止(zhi)突然來電(dian)對人(ren)體的(de)傷害(hai)。但實際工作(zuo)(zuo)中，由于(yu)接地(di)(di)線(xian)使用(yong)(yong)頻繁且操作(zuo)(zuo)看(kan)似簡單，容易使人(ren)產生麻痹思想，其重(zhong)要(yao)性(xing)也往往被(bei)人(ren)忽視(shi)，經常(chang)出現(xian)不(bu)正(zheng)確的(de)使用(yong)(yong)情況，以致降低甚至有(you)時失(shi)去了接地(di)(di)線(xian)的(de)安全保(bao)護作(zuo)(zuo)用(yong)(yong)，必須引起足夠重(zhong)視(shi)。掛(gua)接地(di)(di)線(xian)是一項重(zhong)要(yao)的(de)電(dian)氣(qi)安全技術措(cuo)施，其操作(zuo)(zuo)過程應該嚴肅(su)、認(ren)真、符合(he)技術規(gui)(gui)范要(yao)求(qiu)，千(qian)萬(wan)不(bu)可馬虎大意。因此，要(yao)正(zheng)確使用(yong)(yong)接地(di)(di)線(xian)，規(gui)(gui)范掛(gua)、拆接地(di)(di)線(xian)的(de)行為，自覺(jue)培(pei)養嚴謹的(de)安全工作(zuo)(zuo)作(zuo)(zuo)風，提高自身的(de)安全素質，才能拒危險隱患于(yu)...

CMLD精密露點(dian)儀是(shi)在(zai)(zai)低露點(dian)且需要控(kong)(kong)制干(gan)點(dian)的(de)工業環(huan)(huan)境的(de)理想(xiang)選擇(ze)。它有(you)(you)(you)化學(xue)物質清除選項，這使得在(zai)(zai)高濃(nong)度(du)(du)化學(xue)物質和(he)清潔劑的(de)環(huan)(huan)境中能進行穩定(ding)的(de)測量，從而保(bao)證了每次校驗間隔之間的(de)準確測量。這項功能既能通過控(kong)(kong)制系統在(zai)(zai)線執行，也能按預(yu)先設定(ding)的(de)時(shi)間間隔定(ding)期執行。相對(dui)濕(shi)度(du)(du)是(shi)和(he)環(huan)(huan)境溫度(du)(du)有(you)(you)(you)關，所以提到相對(dui)濕(shi)度(du)(du)，必須同(tong)時(shi)指明環(huan)(huan)境溫度(du)(du)，否則(ze)是(shi)沒有(you)(you)(you)意義的(de)；露點(dian)是(shi)和(he)環(huan)(huan)境溫度(du)(du)沒有(you)(you)(you)關系的(de)。同(tong)一露點(dian)值，在(zai)(zai)不(bu)(bu)(bu)同(tong)的(de)環(huan)(huan)境溫度(du)(du)條件下，對(dui)應于不(bu)(bu)(bu)同(tong)的(de)相對(dui)濕(shi)度(du)(du)。濕(shi)度(du)(du)的(de)測量方法有(you)(you)(you)很多，不(bu)(bu)(bu)同(tong)的(de)測量方法，側重于不(bu)(bu)(bu)同(tong)的(de)濕(shi)度(du)(du)單位，當...

繼(ji)(ji)電(dian)(dian)(dian)(dian)保(bao)(bao)護(hu)測(ce)(ce)試儀是一種(zhong)用于(yu)繼(ji)(ji)電(dian)(dian)(dian)(dian)保(bao)(bao)護(hu)及安全(quan)自動檢(jian)驗(yan)的裝置，可靠的應答(da)才能(neng)有(you)效(xiao)(xiao)保(bao)(bao)障保(bao)(bao)護(hu)裝置的應用性能(neng)，而(er)繼(ji)(ji)電(dian)(dian)(dian)(dian)保(bao)(bao)護(hu)測(ce)(ce)試儀正是驗(yan)證這一性能(neng)的檢(jian)驗(yan)裝置，下面本文主要(yao)根據繼(ji)(ji)電(dian)(dian)(dian)(dian)保(bao)(bao)護(hu)測(ce)(ce)試儀檢(jian)定規范介(jie)紹其交流(liu)電(dian)(dian)(dian)(dian)流(liu)輸(shu)出誤差(cha)限值要(yao)求及校準(zhun)操作。繼(ji)(ji)電(dian)(dian)(dian)(dian)保(bao)(bao)護(hu)測(ce)(ce)試儀可分為兩種(zhong)形式，一種(zhong)是采(cai)(cai)用傳統的OCL功(gong)放(fang)，體(ti)積大，重量在25Kg左右(you)，比較笨重，功(gong)放(fang)管工作在放(fang)大區，時(shi)間長了容易(yi)損壞，且動態范圍窄，精度不(bu)高。另一種(zhong)是采(cai)(cai)用開關電(dian)(dian)(dian)(dian)源，功(gong)放(fang)采(cai)(cai)用數字功(gong)放(fang)，體(ti)積小，重量輕，效(xiao)(xiao)率高，是繼(ji)(ji)電(dian)(dian)(dian)(dian)保(bao)(bao)護(hu)測(ce)(ce)試儀的發展(zhan)方向。繼(ji)(ji)電(dian)(dian)(dian)(dian)保(bao)(bao)護(hu)測(ce)(ce)...

短(duan)路接(jie)(jie)地線(xian)(xian)是(shi)(shi)電力(li)行業在設(she)備或線(xian)(xian)路斷電后進行檢修之前要掛(gua)接(jie)(jie)的(de)一(yi)種安(an)全(quan)短(duan)路裝(zhuang)置，用(yong)來(lai)預防突(tu)然來(lai)電杜(du)操作(zuo)人(ren)員(yuan)或設(she)備造成傷(shang)害的(de)安(an)全(quan)防護用(yong)具。這種裝(zhuang)置是(shi)(shi)嚴格按照國家(jia)電力(li)行業DL/T879-2004《攜帶型短(duan)路接(jie)(jie)地線(xian)(xian)技術規(gui)定》的(de)安(an)全(quan)用(yong)具，在電力(li)行業屬于安(an)全(quan)工(gong)器(qi)具范疇。攜帶型短(duan)路接(jie)(jie)地線(xian)(xian)由絕緣操作(zuo)桿、導線(xian)(xian)夾(jia)(jia)組(zu)成，導線(xian)(xian)夾(jia)(jia)采用(yong)優質鋁合金壓鑄,強度高,再經(jing)表(biao)(biao)面(mian)處理使線(xian)(xian)夾(jia)(jia)表(biao)(biao)面(mian)不宜(yi)氧氣。操作(zuo)棒用(yong)進口(kou)環氧樹脂精制成彩(cai)色管，絕緣性能好，強度高、重量輕、色彩(cai)鮮(xian)明、外(wai)表(biao)(biao)光滑。短(duan)路接(jie)(jie)地線(xian)(xian)的(de)作(zuo)用(yong)有哪(na)些？1、保護人(ren)...

高壓(ya)無(wu)線(xian)核相(xiang)(xiang)(xiang)(xiang)儀(yi)(yi)是(shi)(shi)(shi)如(ru)(ru)何(he)進(jin)行自我檢測(ce)的(de)(de)？核相(xiang)(xiang)(xiang)(xiang)一(yi)(yi)般(ban)先用(yong)相(xiang)(xiang)(xiang)(xiang)序(xu)表(biao)檢查(cha)(cha)相(xiang)(xiang)(xiang)(xiang)序(xu)正確，然(ran)后再測(ce)量兩個(ge)需(xu)要(yao)核相(xiang)(xiang)(xiang)(xiang)的(de)(de)電(dian)源的(de)(de)各相(xiang)(xiang)(xiang)(xiang)間電(dian)壓(ya)值，如(ru)(ru)兩個(ge)都是(shi)(shi)(shi)400V,同名(ming)相(xiang)(xiang)(xiang)(xiang)之(zhi)間的(de)(de)電(dian)壓(ya)應該為0V，不同名(ming)相(xiang)(xiang)(xiang)(xiang)之(zhi)間的(de)(de)電(dian)壓(ya)應該為400V。要(yao)是(shi)(shi)(shi)檢查(cha)(cha)廠內的(de)(de)接線(xian)樁(zhuang)頭(tou)和外網(wang)連接后相(xiang)(xiang)(xiang)(xiang)位的(de)(de)對應，不對應那事就大(da)去(qu)了，輕則損壞(huai)設(she)備，重則人(ren)身傷亡都有啊，做這個(ge)工作得是(shi)(shi)(shi)專門有這方(fang)面技術的(de)(de)一(yi)(yi)般(ban)是(shi)(shi)(shi)一(yi)(yi)次(ci)、二次(ci)人(ren)員共同做的(de)(de)，是(shi)(shi)(shi)電(dian)氣*的(de)(de)試驗(yan)。高壓(ya)無(wu)線(xian)核相(xiang)(xiang)(xiang)(xiang)儀(yi)(yi)是(shi)(shi)(shi)如(ru)(ru)何(he)進(jin)行自我檢測(ce)的(de)(de)？1、自檢a.使用(yong)之(zhi)前必須將(jiang)(jiang)發射器1號和發射器2號，接收器電(dian)池充足將(jiang)(jiang)自檢線(xian)...

全自(zi)(zi)動變頻抗(kang)干擾(rao)介質損耗測(ce)試儀(yi)是一種(zhong)新穎的(de)(de)(de)測(ce)量介質損耗角(jiao)正切值(zhi)(zhi)(zhi)（tgδ）和電(dian)(dian)(dian)容(rong)值(zhi)(zhi)(zhi)（Cx）的(de)(de)(de)智能化(hua)儀(yi)器。可以(yi)在工頻高(gao)壓(ya)下，現(xian)場測(ce)量各(ge)種(zhong)絕(jue)緣(yuan)材料、絕(jue)緣(yuan)套(tao)管、電(dian)(dian)(dian)力電(dian)(dian)(dian)纜(lan)、電(dian)(dian)(dian)容(rong)器、互(hu)感(gan)器、變壓(ya)器等(deng)高(gao)壓(ya)設備的(de)(de)(de)介質損耗角(jiao)正切值(zhi)(zhi)(zhi)（tgδ）和電(dian)(dian)(dian)容(rong)值(zhi)(zhi)(zhi)（Cx）。儀(yi)器為一體(ti)化(hua)結(jie)構(gou)，內(nei)置標(biao)準電(dian)(dian)(dian)容(rong)器和升(sheng)壓(ya)電(dian)(dian)(dian)源，體(ti)積小、重量輕，便于攜帶，具(ju)有操作(zuo)簡(jian)單、自(zi)(zi)動測(ce)量、讀數(shu)直觀、無需換(huan)算、精度高(gao)、抗(kang)干擾(rao)能力強等(deng)優點，亦可外接(jie)電(dian)(dian)(dian)源與本廠生產的(de)(de)(de)各(ge)種(zhong)規格(ge)的(de)(de)(de)高(gao)電(dian)(dian)(dian)壓(ya)等(deng)級的(de)(de)(de)標(biao)準電(dian)(dian)(dian)容(rong)器配套(tao)使(shi)用(yong)，用(yong)以(yi)測(ce)量高(gao)壓(ya)介損。全自(zi)(zi)動抗(kang)干擾(rao)介...

根據互(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)二(er)(er)(er)次(ci)側的(de)(de)(de)勵(li)磁(ci)電流(liu)(liu)和電壓(ya)計算出(chu)的(de)(de)(de)電流(liu)(liu)倍數(M)與(yu)允(yun)許二(er)(er)(er)次(ci)負(fu)(fu)(fu)荷(he)(he)(ZII)之間的(de)(de)(de)5%、10%誤(wu)差(cha)曲(qu)線(xian)(xian)的(de)(de)(de)數據中也(ye)可判斷互(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)保(bao)護繞組是否合格：1)在(zai)接近理(li)論電流(liu)(liu)倍數下所(suo)測(ce)量的(de)(de)(de)實(shi)際負(fu)(fu)(fu)荷(he)(he)大(da)(da)于(yu)互(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)銘牌上(shang)理(li)論負(fu)(fu)(fu)荷(he)(he)值，說明(ming)該互(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)合格數據說明(ming);2)在(zai)接近理(li)論負(fu)(fu)(fu)荷(he)(he)下所(suo)測(ce)量的(de)(de)(de)實(shi)際電流(liu)(liu)倍數大(da)(da)于(yu)互(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)銘牌上(shang)的(de)(de)(de)理(li)論電流(liu)(liu)倍數,也(ye)說明(ming)該互(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)合格數據說明(ming);電流(liu)(liu)互(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)變比性測(ce)試儀保(bao)護用電流(liu)(liu)互(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)二(er)(er)(er)次(ci)負(fu)(fu)(fu)荷(he)(he)應滿足5%誤(wu)差(cha)曲(qu)線(xian)(xian)的(de)(de)(de)要求，只要電流(liu)(liu)互(hu)(hu)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)二(er)(er)(er)次(ci)實(shi)際負(fu)(fu)(fu)荷(he)(he)小于(yu)5%誤(wu)差(cha)曲(qu)線(xian)(xian)允(yun)許的(de)(de)(de)負(fu)(fu)(fu)荷(he)(he)，在(zai)額定電流(liu)(liu)倍數下...

絕(jue)緣(yuan)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)測試儀(yi)通(tong)常被稱為(wei)兆(zhao)歐表或(huo)高阻(zu)(zu)(zu)(zu)計，廣泛用(yong)于測量(liang)發(fa)電(dian)(dian)(dian)(dian)(dian)機、馬(ma)達、電(dian)(dian)(dian)(dian)(dian)源變(bian)壓器、配線、電(dian)(dian)(dian)(dian)(dian)器和(he)(he)其它電(dian)(dian)(dian)(dian)(dian)氣裝置(如控制(zhi)、信(xin)號、通(tong)信(xin)和(he)(he)電(dian)(dian)(dian)(dian)(dian)源的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)纜(lan))的(de)(de)(de)絕(jue)緣(yuan)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)。它們往往被用(yong)于例行(xing)維護程序中來指示電(dian)(dian)(dian)(dian)(dian)機在數月或(huo)數年內(nei)絕(jue)緣(yuan)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)的(de)(de)(de)變(bian)化(hua)。絕(jue)緣(yuan)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)發(fa)生大的(de)(de)(de)變(bian)化(hua)，就可能(neng)預示著潛在的(de)(de)(de)故障。所(suo)以，就需要對兆(zhao)歐表進(jin)行(xing)定期校準，以確保儀(yi)表本(ben)身(shen)沒有隨時間發(fa)生變(bian)化(hua)。絕(jue)緣(yuan)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)是(shi)(shi)指用(yong)絕(jue)緣(yuan)材料隔(ge)開(kai)兩部分導體(ti)之間的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)，而絕(jue)緣(yuan)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)測試儀(yi)是(shi)(shi)用(yong)來測量(liang)絕(jue)緣(yuan)電(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)大小(xiao)的(de)(de)(de)儀(yi)器。為(wei)了保證(zheng)電(dian)(dian)(dian)(dian)(dian)氣設(she)備運行(xing)的(de)(de)(de)安(an)全，應對其不同(tong)性(不同(tong)相)的(de)(de)(de)導體(ti)...

回(hui)(hui)路(lu)(lu)電(dian)阻測(ce)(ce)試(shi)(shi)(shi)(shi)(shi)儀(yi)在現(xian)(xian)(xian)場測(ce)(ce)試(shi)(shi)(shi)(shi)(shi)時當測(ce)(ce)試(shi)(shi)(shi)(shi)(shi)儀(yi)電(dian)壓(ya)接(jie)線回(hui)(hui)路(lu)(lu)出(chu)(chu)現(xian)(xian)(xian)接(jie)觸不良或開路(lu)(lu)時，測(ce)(ce)試(shi)(shi)(shi)(shi)(shi)儀(yi)還會(hui)顯示一個數(shu)值，此時會(hui)出(chu)(chu)現(xian)(xian)(xian)以下(xia)幾種(zhong)情(qing)況：1、電(dian)壓(ya)回(hui)(hui)路(lu)(lu)開路(lu)(lu)，測(ce)(ce)試(shi)(shi)(shi)(shi)(shi)現(xian)(xian)(xian)場沒(mei)有強電(dian)場干擾，這種(zhong)情(qing)況下(xia)，由于放(fang)大(da)器輸入(ru)的(de)差模電(dian)壓(ya)基本為(wei)(wei)0，故儀(yi)器顯示的(de)測(ce)(ce)試(shi)(shi)(shi)(shi)(shi)數(shu)值接(jie)近為(wei)(wei)0，如果(guo)測(ce)(ce)試(shi)(shi)(shi)(shi)(shi)人員有足(zu)夠的(de)現(xian)(xian)(xian)場測(ce)(ce)試(shi)(shi)(shi)(shi)(shi)經(jing)驗，可(ke)(ke)以判斷出(chu)(chu)是儀(yi)器電(dian)壓(ya)回(hui)(hui)路(lu)(lu)測(ce)(ce)試(shi)(shi)(shi)(shi)(shi)線異常(chang)，將儀(yi)器電(dian)壓(ya)回(hui)(hui)路(lu)(lu)測(ce)(ce)試(shi)(shi)(shi)(shi)(shi)線異常(chang)排(pai)除后，可(ke)(ke)以得出(chu)(chu)終正確測(ce)(ce)試(shi)(shi)(shi)(shi)(shi)結果(guo)；如果(guo)測(ce)(ce)試(shi)(shi)(shi)(shi)(shi)人員沒(mei)有足(zu)夠的(de)現(xian)(xian)(xian)場測(ce)(ce)試(shi)(shi)(shi)(shi)(shi)經(jing)驗，有可(ke)(ke)能會(hui)誤判測(ce)(ce)試(shi)(shi)(shi)(shi)(shi)儀(yi)出(chu)(chu)現(xian)(xian)(xian)問題(ti)，中斷測(ce)(ce)試(shi)(shi)(shi)(shi)(shi)，更換或返修儀(yi)器，延誤停電(dian)時間，給測(ce)(ce)試(shi)(shi)(shi)(shi)(shi)工作帶來(lai)不...

紅(hong)外(wai)線(xian)測(ce)溫儀是一種常用(yong)的(de)(de)紅(hong)外(wai)溫度檢測(ce)儀器，具有體積小巧、攜帶方便、測(ce)量(liang)(liang)、性(xing)能(neng)穩定(ding)等優點。用(yong)戶在(zai)使(shi)用(yong)手持式紅(hong)外(wai)測(ce)溫儀時的(de)(de)環境(jing)條(tiao)件需要從(cong)多個方面(mian)來(lai)考慮(lv)(lv)。首先，紅(hong)外(wai)線(xian)測(ce)溫儀所處的(de)(de)環境(jing)條(tiao)件對(dui)測(ce)量(liang)(liang)結果有很大影響，應予(yu)考慮(lv)(lv)并(bing)(bing)適當(dang)解決，否則(ze)會影響測(ce)溫精度甚(shen)至引起損壞(huai)。當(dang)環境(jing)溫度高，存在(zai)灰塵、煙霧和蒸汽的(de)(de)條(tiao)件下，可選用(yong)廠商提供的(de)(de)保護(hu)套(tao)、水冷(leng)卻、空氣冷(leng)卻系統(tong)、空氣吹(chui)掃器等附件。這些(xie)附件可有效地解決環境(jing)影響并(bing)(bing)保護(hu)測(ce)溫儀，實現準確測(ce)溫。在(zai)確定(ding)附件時，應盡可能(neng)要求(qiu)標(biao)準化服務，以降低安裝成本。當(dang)在(zai)噪聲(sheng)...