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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="bf72l99" 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>達(dá)州數(shù)顯儀表銷(xiāo)售,數(shù)顯儀表</p><p><span>***更新：</span>2020-12-23 06:04:49</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="7hjgd2l" 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(huà): </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(xiàn)] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="rli784l" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="vfxurdf" class="box"><p><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(xiàn)、內(nèi)部配線(xiàn)通過(guò)磁耦合在電路中形成干擾。在大功率變壓器，達(dá)州數(shù)顯儀表銷(xiāo)售、交流電機(jī)，達(dá)州數(shù)顯儀表銷(xiāo)售、電力線(xiàn)的周?chē)臻g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(guò)電容的耦合在回路中形成干擾，達(dá)州數(shù)顯儀表銷(xiāo)售，是由于兩電場(chǎng)相互作用的結(jié)果。通過(guò)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(guò)測(cè)量系統(tǒng)形成到地的泄漏電流，該泄漏電流通過(guò)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。達(dá)州數(shù)顯儀表銷(xiāo)售</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="達(dá)州數(shù)顯儀表銷(xiāo)售,數(shù)顯儀表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044260808701172/4850824.jpg"></div><p style="text-indent:25px">模擬顯示儀表通常只能接受標(biāo)準(zhǔn)信號(hào)（如4~20mA）或選擇一種輸入信號(hào)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(hào)，通過(guò)簡(jiǎn)單的組態(tài)就可以接受直流毫伏、伏、毫安、熱電偶、熱電阻、標(biāo)準(zhǔn)信號(hào)等，設(shè)定測(cè)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(wú)視差；智能數(shù)字顯示儀表的顯示準(zhǔn)確度能達(dá)到滿(mǎn)量程的±0.05%+2個(gè)字，記錄準(zhǔn)確度為滿(mǎn)量程的±0.1%，而模擬顯示儀表一般*為滿(mǎn)量程的±0.5%。達(dá)州數(shù)顯儀表銷(xiāo)售</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="達(dá)州數(shù)顯儀表銷(xiāo)售,數(shù)顯儀表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044260803769531/6121717.jpg"></div><p style="text-indent:25px">常見(jiàn)問(wèn)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(kāi)關(guān)電源故障解決方法：使用萬(wàn)用表檢查輔助電源接線(xiàn)，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(xiàn)路出現(xiàn)故障，可聯(lián)系廠家調(diào)換。常見(jiàn)問(wèn)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(xiàn)是否正確并用信號(hào)輸入，無(wú)則客戶(hù)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(jiàn)問(wèn)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(xiàn)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(kāi)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(wèn)題后將輔助電源重新上電。</p><p style="text-indent:25px">數(shù)顯儀表是一種常用的檢測(cè)儀器，具有使用簡(jiǎn)便、可靠性高、穩(wěn)定性好、使用壽命長(zhǎng)等優(yōu)點(diǎn)。用戶(hù)在選購(gòu)數(shù)顯儀表的時(shí)候?qū)τ跀?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(gè)很基本的問(wèn)題。數(shù)顯表要裝在柜體上，所以要考慮整體的協(xié)調(diào)性，過(guò)大了可能裝不下，過(guò)小了看不清顯示數(shù)字，另外，體積大的儀表一般功能擴(kuò)充性較強(qiáng)，同樣功能價(jià)格可能會(huì)貴，體積小的儀表可能功能擴(kuò)充性較差。目前數(shù)顯表面板的國(guó)際標(biāo)準(zhǔn)尺寸主要有以下幾種：48*24mm;48*48mm;48*96mm;72*72mm;96*96mm;96*48mm;160*80mm。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="達(dá)州數(shù)顯儀表銷(xiāo)售,數(shù)顯儀表" src="http://tyunfile.71360.com/UploadFile/cdwckj/637044260810683594/2848633.jpg"></div><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(pán)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)，我們?cè)趪?guó)外考察時(shí)，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(pán)裝儀表。達(dá)州數(shù)顯儀表銷(xiāo)售</p><p style="text-indent:25px">達(dá)州數(shù)顯儀表銷(xiāo)售</p><p style="text-indent:25px">國(guó)統(tǒng)局?jǐn)?shù)據(jù)顯示，2019年上半年儀器儀表大行業(yè)規(guī)模以上企業(yè)4927個(gè)，營(yíng)收規(guī)模4002億元，營(yíng)收同比增長(zhǎng)7.57%；收入總額為361億元，同比增長(zhǎng)2.87%，比主營(yíng)收入低4.70個(gè)百分點(diǎn)；中國(guó)的新型工業(yè)化進(jìn)程，信息化和工業(yè)化融合的進(jìn)一步加深，帶動(dòng)各個(gè)工業(yè)領(lǐng)域?qū)τ谀湍犭娕迹瑲怏w檢測(cè)儀器，便攜式氣體報(bào)警控制器，雙金屬溫度計(jì)等產(chǎn)品的需求。中國(guó)儀器儀表行業(yè)目前正處于高速發(fā)展階段，需要與之相適應(yīng)的研發(fā)、銷(xiāo)售計(jì)算機(jī)軟硬件;計(jì)算機(jī)系統(tǒng)集成;銷(xiāo)售電子產(chǎn)品、儀器儀表、電氣設(shè)備、機(jī)械設(shè)備、閥門(mén)、水泵、電線(xiàn)電纜、通訊器材(不含無(wú)線(xiàn)廣播電視發(fā)射及衛(wèi)星地面接收設(shè)備)、醫(yī)療器械(***一類(lèi))、實(shí)驗(yàn)設(shè)備、化工產(chǎn)品(不含危險(xiǎn)化學(xué)品)、五金交電、照明設(shè)備。產(chǎn)品營(yíng)銷(xiāo)模式相互配合。盡管在我國(guó)相關(guān)政策的引導(dǎo)和支持下，我國(guó)儀器儀表行業(yè)得到了飛速發(fā)展。但是從銷(xiāo)售整體上看，我國(guó)的儀器儀表行業(yè)還是落后于國(guó)際水平的。重點(diǎn)技術(shù)缺乏、高精尖產(chǎn)品嚴(yán)重依賴(lài)進(jìn)口、儀器儀表產(chǎn)品同質(zhì)化嚴(yán)重、生產(chǎn)工藝落后、研發(fā)能力弱、精度不高等問(wèn)題的凸顯，為儀器儀表行業(yè)的發(fā)展帶來(lái)了嚴(yán)峻的挑戰(zhàn)。達(dá)州數(shù)顯儀表銷(xiāo)售</p><p style="text-indent:25px">成都皖川科技有限公司位于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，擁有一支專(zhuān)業(yè)的技術(shù)團(tuán)隊(duì)。在成都皖川科技近多年發(fā)展歷史，公司旗下現(xiàn)有品牌皖纜等。我公司擁有強(qiáng)大的技術(shù)實(shí)力，多年來(lái)一直專(zhuān)注于研發(fā)、銷(xiāo)售計(jì)算機(jī)軟硬件;計(jì)算機(jī)系統(tǒng)集成;銷(xiāo)售電子產(chǎn)品、儀器儀表、電氣設(shè)備、機(jī)械設(shè)備、閥門(mén)、水泵、電線(xiàn)電纜、通訊器材(不含無(wú)線(xiàn)廣播電視發(fā)射及衛(wèi)星地面接收設(shè)備)、醫(yī)療器械(***一類(lèi))、實(shí)驗(yàn)設(shè)備、化工產(chǎn)品(不含危險(xiǎn)化學(xué)品)、五金交電、照明設(shè)備。的發(fā)展和創(chuàng)新，打造高指標(biāo)產(chǎn)品和服務(wù)。成都皖川科技始終以質(zhì)量為發(fā)展，把顧客的滿(mǎn)意作為公司發(fā)展的動(dòng)力，致力于為顧客帶來(lái)***的耐磨熱電偶，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)。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2524309.html</p></div></div></div></div></div><div id="e2qwdam" class="page-right twoColRt"><div id="3rebtkh" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="tn2amol" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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