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href="http://www.cdcfah.com/cp/third-gydqew_gykggek/">高壓開關(guān)柜</a>?成都數(shù)顯儀表供應(yīng) 貼心服務(wù) 成都皖川科技供應(yīng)</p><div id="eoq3imd" class="leftbox clearfix"><h1>成都數(shù)顯儀表供應(yīng) 貼心服務(wù) 成都皖川科技供應(yīng)</h1><div id="tsuthtf" class="proBig"><div id="j2ofht8" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/cdwckj/637044260803769531/6121717.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="oa7w8ho" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/cdwckj/637044260803769531/6121717.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="zo8ptpj" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>四川省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>成都數(shù)顯儀表供應(yīng),數(shù)顯儀表</p><p><span>***更新：</span>2020-08-07 15:12:00</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="ys8879n" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">成都皖川科技有限公司</a></p><p><span>聯(lián)系人：</span>朱成生</p><p><span>郵箱: </span>cdwckjgs@sina.com</p><p><span>電話: </span>18755046999</p><p><span>傳真: </span>028_87463776</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>028-87463776</p><p><span>地址: </span>四川省成都市青羊區(qū)青羊萬(wàn)達(dá)廣場(chǎng)SOHO公寓2-2-1138室</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="jtlspw7" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="pt2ury4" class="box"><p><p style="text-indent:25px">隨著科學(xué)技術(shù)快速發(fā)展，DCS、PLC等控制系統(tǒng)在工業(yè)領(lǐng)域取代常規(guī)儀表，得到大范圍的應(yīng)用，特別是在大中型工廠（裝置）幾乎都選用這種控制系統(tǒng)，但是有些輔助工程，輔助裝置還是避免不了要選用常規(guī)的盤裝儀表，尤其是一些規(guī)模較小的工廠或裝置，測(cè)量、控制點(diǎn)數(shù)并不多，若采用DCS、PLC等控制系統(tǒng)并不經(jīng)濟(jì)，成都數(shù)顯儀表供應(yīng)，成都數(shù)顯儀表供應(yīng)，我們?cè)趪?guó)外考察時(shí)，成都數(shù)顯儀表供應(yīng)，也發(fā)現(xiàn)并不是任何情況下都采用DCS、PLC等控制系統(tǒng)，要根據(jù)具體情況確定是采用DCS、PLC等控制系統(tǒng)還是采用常規(guī)盤裝儀表。成都數(shù)顯儀表供應(yīng)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="成都數(shù)顯儀表供應(yīng),數(shù)顯儀表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044260803769531/6121717.jpg"></div><p style="text-indent:25px">數(shù)顯儀表產(chǎn)生干擾的途徑：信號(hào)源與儀表之間的導(dǎo)線、內(nèi)部配線通過磁耦合在電路中形成干擾。在大功率變壓器、交流電機(jī)、電力線的周圍空間都存在有很強(qiáng)的交流磁場(chǎng)，而閉合回路處在這種變化的磁場(chǎng)中將產(chǎn)生電動(dòng)勢(shì)。這種感應(yīng)電勢(shì)與有用信號(hào)串聯(lián)，當(dāng)傳感器與數(shù)顯表距離較遠(yuǎn)時(shí)，這種串模干擾特別突出。干擾源通過電容的耦合在回路中形成干擾，是由于兩電場(chǎng)相互作用的結(jié)果。通過靜電耦合的方式，能在兩輸入端感應(yīng)出對(duì)地的共同電壓，以共模干擾的形式出現(xiàn)，由于共模干擾不和信號(hào)相疊加，它不直接對(duì)儀表產(chǎn)生影響。但它能通過測(cè)量系統(tǒng)形成到地的泄漏電流，該泄漏電流通過電阻的耦合就能直接作用于儀表而產(chǎn)生干擾。電磁感應(yīng)、靜電感應(yīng)所形成大多是工頻干擾電壓，但變頻器、帶整流子的電機(jī)等會(huì)產(chǎn)生諧波干擾。宜賓數(shù)顯儀表哪家專業(yè)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="成都數(shù)顯儀表供應(yīng),數(shù)顯儀表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044260810683594/2848633.jpg"></div><p style="text-indent:25px">常見問題：通電后缺筆或顯示亂碼可能原因：缺筆基本上為虛焊問題。直接換表。亂碼：1.有干擾源，如大容量開關(guān)合閘時(shí)會(huì)造成對(duì)儀表的沖擊，使多功能表進(jìn)入設(shè)置界面，而非亂碼。此時(shí)儀表會(huì)在30秒內(nèi)恢復(fù)，或按SET恢復(fù)正常。2.芯片故障：芯片故障率一般為千分之一以下;3.芯片虛焊或漏焊。解決方法：前者與客戶溝通，不成，換表(在電源前端作相應(yīng)處理)，后二都直接換表。常見問題：顯示不準(zhǔn)確可能原因：互感器變比設(shè)置數(shù)值不匹配解決方法：將儀表設(shè)置的變比與PT、CT的變比核對(duì)是否一致;電壓、電流的額定值是否一致。</p><p style="text-indent:25px">常見問題：通電后不顯示可能原因：輔助電源未加到儀表上;電源變壓器或開關(guān)電源故障解決方法：使用萬(wàn)用表檢查輔助電源接線，查看是否具有相應(yīng)的工作電壓;如有相應(yīng)電壓，則儀表內(nèi)部電源或線路出現(xiàn)故障，可聯(lián)系廠家調(diào)換。常見問題：數(shù)碼管亮但顯示為零可能原因：未輸入信號(hào) 解決方法：查輸入信號(hào)接線是否正確并用信號(hào)輸入，無(wú)則客戶自查;有則初判表故障(可能：測(cè)量芯片管腳或數(shù)碼管管腳虛焊)，可聯(lián)系廠家調(diào)換。常見問題：通電后閃爍可能原因：1)信號(hào)不穩(wěn)定;2)有強(qiáng)磁場(chǎng)干擾源3)表故障：線圈故障，芯片虛焊等原因。解決方法：按國(guó)標(biāo)要求，顯示值允許有2 - 3字的跳動(dòng)，但不允許間隔跳。斷開輔助電源;測(cè)試其是否超出工作電壓范圍;測(cè)試輸入信號(hào)是否超出額定值;測(cè)試環(huán)境溫度是否超出使用上限;測(cè)試并解決問題后將輔助電源重新上電。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="成都數(shù)顯儀表供應(yīng),數(shù)顯儀表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044260808701172/4850824.jpg"></div><p style="text-indent:25px">智能數(shù)字顯示儀表既有模擬記錄儀的趨勢(shì)記錄，又有表格式記錄，還具有記錄曲線零點(diǎn)遷移（即量程自動(dòng)切換）、分區(qū)記錄、放大/縮小記錄等功能，測(cè)量和記錄速度很高，各通道記錄曲線在時(shí)間上可以一致。而模擬記錄儀的功能單一，只能記錄趨勢(shì)曲線，記錄響應(yīng)速度也慢。由于智能數(shù)字顯示儀表采用了微處理器，所以它有運(yùn)算功能，除四則運(yùn)算外，還有開方、***值、平均值、邏輯運(yùn)算等，以及異常情況自動(dòng)顯示記錄。所有這些都是模擬顯示儀表無(wú)法比擬的。成都數(shù)顯儀表供應(yīng)</p><p style="text-indent:25px">成都數(shù)顯儀表供應(yīng)</p><p style="text-indent:25px">常見問題：加信號(hào)無(wú)反應(yīng) 可能原因：信號(hào)未輸入儀表解決方法：測(cè)試儀表接線端子有無(wú)信號(hào)，端子連接是否可靠。常見問題：三相儀表缺相可能原因：信號(hào)未加到儀表上解決方法：測(cè)試接線端子有無(wú)輸入信號(hào)，端子是否正確可靠連接;可將正常顯示的一相信號(hào)線接到缺相信號(hào)進(jìn)行對(duì)比測(cè)試。常見問題：電能計(jì)量不準(zhǔn) 可能原因：變比不對(duì)，電壓電流的相序錯(cuò)誤解決方法：將儀表設(shè)置的變比與PT、CT的變比核對(duì)是否一致;檢查電壓、電流的相序是否正確;在用電情況下，有功率顯示的儀表可以通過儀表的功率顯示查看單相功率是否有負(fù)號(hào)指示，有負(fù)號(hào)指示的則很可能對(duì)應(yīng)的那相電流的進(jìn)出線反了。成都數(shù)顯儀表供應(yīng)</p><p style="text-indent:25px">成都皖川科技有限公司致力于儀器儀表，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。成都皖川科技擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊(duì)，以高度的專注和執(zhí)著為客戶提供[ "耐磨熱電偶", "氣體檢測(cè)儀器", "便攜式氣體報(bào)警控制器", "雙金屬溫度計(jì)" ]。公司終堅(jiān)持自主研發(fā)創(chuàng)新發(fā)展理念，不斷優(yōu)化的技術(shù)、產(chǎn)品為客戶帶來(lái)效益，目前年?duì)I業(yè)額達(dá)到50-100萬(wàn)元。成都皖川科技始終關(guān)注儀器儀表行業(yè)。海納百川，有容乃大，國(guó)內(nèi)外同行的智慧都是促使我們前行的力量。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/839300.html</p></div></div></div></div></div><div id="7rwykml" class="page-right twoColRt"><div id="7ctax8a" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="vpw2g3w" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 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