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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="gpwdvhe" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/cdwckj/637044260810683594/2848633.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8n37tiu" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>產品關鍵詞：</span>眉山數(shù)顯儀表廠家,數(shù)顯儀表</p><p><span>***更新：</span>2020-10-09 17:05:54</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="r7zpmeb" 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>網址: </span></p><p><span>手機: </span>028-87463776</p><p><span>地址: </span>四川省成都市青羊區(qū)青羊萬達廣場SOHO公寓2-2-1138室</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="hgiacol" class="page-proshow02"><p class="title">詳細說明</p><div id="rqspmtq" class="box"><p><p style="text-indent:25px">顯示位數(shù)：這直接關系到數(shù)顯表的測量精度，一般來講，顯示位數(shù)越高，測量更準確，價格也越貴，主要有以下幾種：兩位;三位;三位半;四位;四位半;四又四分之三；五位及五位以上(常見于計數(shù)器、累計表和**儀表)，用戶可以根據測量精度要求來選擇幾位的數(shù)顯表。輸入信號：指直接輸入儀表的測量信號，有些工業(yè)信號是直接接入儀表測量的，有些信號是經過轉化后接入儀表的，必須弄清楚測量信號的性質，否則買去的儀表不能用，眉山數(shù)顯儀表廠家，甚至損壞儀表及原有設備。要弄清信號類型：電流還是電壓，眉山數(shù)顯儀表廠家，眉山數(shù)顯儀表廠家，交流還是直流，是脈沖信號還是線性信號等等，還要弄清信號的大小。眉山數(shù)顯儀表廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="眉山數(shù)顯儀表廠家,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：加信號無反應可能原因：信號未輸入儀表解決方法：測試儀表接線端子有無信號，端子連接是否可靠。常見問題：三相儀表缺相可能原因：信號未加到儀表上解決方法：測試接線端子有無輸入信號，端子是否正確可靠連接;可將正常顯示的一相信號線接到缺相信號進行對比測試。常見問題：電能計量不準可能原因：變比不對，電壓電流的相序錯誤解決方法：將儀表設置的變比與PT、CT的變比核對是否一致;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號指示，有負號指示的則很可能對應的那相電流的進出線反了。眉山數(shù)顯儀表廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="眉山數(shù)顯儀表廠家,數(shù)顯儀表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044260803769531/6121717.jpg"></div><p style="text-indent:25px">模擬顯示儀表通常只能接受標準信號（如4~20mA）或選擇一種輸入信號如鉑熱電阻或熱電偶等，儀表刻度范圍不能靈活改變；而智能數(shù)字顯示儀表可接受多種輸入信號，通過簡單的組態(tài)就可以接受直流毫伏、伏、毫安、熱電偶、熱電阻、標準信號等，設定測量范圍、刻度范圍靈活方便。智能數(shù)字顯示儀表的讀數(shù)方便，無視差；智能數(shù)字顯示儀表的顯示準確度能達到滿量程的±0.05%+2個字，記錄準確度為滿量程的±0.1%，而模擬顯示儀表一般*為滿量程的±0.5%。</p><p style="text-indent:25px">隨著科學技術快速發(fā)展，DCS、PLC等控制系統(tǒng)在工業(yè)領域取代常規(guī)儀表，得到大范圍的應用，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，測量、控制點數(shù)并不多，若采用DCS、PLC等控制系統(tǒng)并不經濟，我們在國外考察時，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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="眉山數(shù)顯儀表廠家,數(shù)顯儀表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044260808701172/4850824.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，如大容量開關合閘時會造成對儀表的沖擊，使多功能表進入設置界面，而非亂碼。此時儀表會在30秒內恢復，或按SET恢復正常。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(在電源前端作相應處理)，后二都直接換表。常見問題：顯示不準確可能原因：互感器變比設置數(shù)值不匹配解決方法：將儀表設置的變比與PT、CT的變比核對是否一致;電壓、電流的額定值是否一致。資陽數(shù)顯儀表價格</p><p style="text-indent:25px">眉山數(shù)顯儀表廠家</p><p style="text-indent:25px">數(shù)顯儀表是一種常用的檢測儀器，具有使用簡便、可靠性高、穩(wěn)定性好、使用壽命長等優(yōu)點。用戶在選購數(shù)顯儀表的時候對于數(shù)顯儀表的使用需要有一定的了解。儀表尺寸：即儀表的體積大小，這是個很基本的問題。數(shù)顯表要裝在柜體上，所以要考慮整體的協(xié)調性，過大了可能裝不下，過小了看不清顯示數(shù)字，另外，體積大的儀表一般功能擴充性較強，同樣功能價格可能會貴，體積小的儀表可能功能擴充性較差。目前數(shù)顯表面板的國際標準尺寸主要有以下幾種：48*24mm;48*48mm;48*96mm;72*72mm;96*96mm;96*48mm;160*80mm。眉山數(shù)顯儀表廠家</p><p style="text-indent:25px">成都皖川科技有限公司是一家研發(fā)、銷售計算機軟硬件;計算機系統(tǒng)集成;銷售電子產品、儀器儀表、電氣設備、機械設備、閥門、水泵、電線電纜、通訊器材(不含無線廣播電視發(fā)射及衛(wèi)星地面接收設備)、醫(yī)療器械(***一類)、實驗設備、化工產品(不含危險化學品)、五金交電、照明設備。的公司，是一家集研發(fā)、設計、生產和銷售為一體的專業(yè)化公司。成都皖川科技作為研發(fā)、銷售計算機軟硬件;計算機系統(tǒng)集成;銷售電子產品、儀器儀表、電氣設備、機械設備、閥門、水泵、電線電纜、通訊器材(不含無線廣播電視發(fā)射及衛(wèi)星地面接收設備)、醫(yī)療器械(***一類)、實驗設備、化工產品(不含危險化學品)、五金交電、照明設備。的企業(yè)之一，為客戶提供良好的耐磨熱電偶，氣體檢測儀器，便攜式氣體報警控制器，雙金屬溫度計。成都皖川科技繼續(xù)堅定不移地走高質量發(fā)展道路，既要實現(xiàn)基本面穩(wěn)定增長，又要聚焦關鍵領域，實現(xiàn)轉型再突破。成都皖川科技創(chuàng)始人朱成生，始終關注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/1481283.html</p></div></div></div></div></div><div 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