青島4路報警壓力控制器批發(fā) 服務(wù)至上武漢康宇通達(dá)測控儀表供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="壓力開關(guān)校驗步驟1）原始值檢查，真實準(zhǔn)確。2）控壓范圍檢查3）設(shè)定點誤差檢定4）切換差的檢定：在檢定設(shè)定值誤差時，同一設(shè)定點上切換值的平均值與下切換值平均值之間的差值為開關(guān)的切換差，其值應(yīng)不大于量程的10%，生產(chǎn)廠對切換差有特殊要求的除外。"><meta name="keywords" content="青島4路報警壓力控制器批發(fā)"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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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>湖北省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>青島4路報警壓力控制器批發(fā)</p><p><span>***更新：</span>2020-06-11 12:25:49</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="3pby88s" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">武漢康宇通達(dá)測控儀表有限公司</a></p><p><span>聯(lián)系人：</span>馮先生</p><p><span>郵箱: </span>907088900@qq.com</p><p><span>電話: </span>13307145778</p><p><span>傳真: </span>027_87710582</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>027-87710582</p><p><span>地址: </span>洪山區(qū)珞喻路39號賽博數(shù)碼廣場</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="zoqxrdp" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ueg3o8h" class="box"><p><h1> <span style="font-size:16px;">壓力開關(guān)校驗步驟</span> </h1> <p> <p> <span style="font-size:16px;color:#E53333;"><strong>1）原始值檢查，真實準(zhǔn)確。</strong></span> </p> <p> <span style="font-size:16px;color:#E53333;"><strong>2）控壓范圍檢查</strong></span> </p> <p> <span style="font-size:16px;color:#E53333;"><strong>3）設(shè)定點誤差檢定</strong></span> </p> <p> <span style="font-size:16px;"><strong><span style="color:#E53333;">4）切換差的檢定：</span></strong>在檢定設(shè)定值誤差時，同一設(shè)定點上切換值的平均值與下切換值平均值之間的差值為開關(guān)的切換差，其值應(yīng)不大于量程的10%，生產(chǎn)廠對切換差有特殊要求的除外。</span> </p> <p> <span style="font-size:16px;"><strong><span style="color:#E53333;">5）重復(fù)性誤差的檢定：</span></strong> 在檢定控制器設(shè)定值誤差時，在同一檢定點通過三次測量中各自測得的上切換之間比較大差值和下切換值之間比較大差值，兩者中大者相對于量程的百分比即為控制器的重復(fù)性誤差，其***值不應(yīng)超出開關(guān)的精度等級。</span> </p> <p> <span style="font-size:16px;"><strong><span style="color:#E53333;">6）絕緣電阻的檢定：</span></strong>將控制器電源斷開，青島4路報警壓力控制器批發(fā)，用500VDC的絕緣電阻表測量端子與外殼之間，端子之間絕緣電阻≥20MΩ。</span> </p> <p> <span style="font-size:16px;color:#E53333;"><strong>7）開關(guān)調(diào)整單元封固</strong></span> </p> <p> <span style="font-size:16px;">開關(guān)檢定完后，青島4路報警壓力控制器批發(fā)，青島4路報警壓力控制器批發(fā)，將開關(guān)定值調(diào)節(jié)裝置封固，以防定值改變。</span> </p> <p> <span style="font-size:16px;color:#E53333;"><strong>8）觸點電阻的測量≤0.1Ω</strong></span> </p> <span style="font-size:16px;"></span> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青島4路報警壓力控制器批發(fā)" src="http://tyunfile.71360.com/UploadFile/kytdck/637221033827714843/1616752.jpg"></div><h1> <span style="font-size:16px;">型號D504/7DZ壓力控制器的調(diào)校方法</span> </h1> <p> <span style="font-size:16px;">一、壓力控制器將壓力限調(diào)至1.5MPa（上切換值），發(fā)出觸點信號，其操作步驟：</span> </p> <p> <span style="font-size:16px;">1.打開蓋板，旋松鎖緊器。</span> </p> <p> <span style="font-size:16px;">2.順時針旋動設(shè)定值調(diào)節(jié)螺桿，使設(shè)定值由大變小，直至開關(guān)觸點在1.5MPa處切換。</span> </p> <p> <span style="font-size:16px;">3.旋緊鎖緊器。</span> </p> <p> <span style="font-size:16px;">二、壓力控制器將壓力下限調(diào)至0.5MPa（下切換值）發(fā)出觸點信號，其操作步驟：</span> </p> <p> <span style="font-size:16px;">1.打開蓋板，旋松鎖緊器。</span> </p> <p> <span style="font-size:16px;">2.逆時針旋動設(shè)定值調(diào)節(jié)螺桿，使設(shè)定值由小變大，直至開關(guān)觸點在0.5MPa處切換。</span> </p> <p> <span style="font-size:16px;">3.旋緊鎖緊器。</span> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青島4路報警壓力控制器批發(fā)" src="http://tyunfile.71360.com/UploadFile/kytdck/637221035046757812/4746354.jpg"></div><h1> <span style="font-size:16px;">正確選用儀表類型的參考因素</span> </h1> <p> <span style="font-size:16px;color:#E53333;"><strong> 1、信號傳送距離</strong></span> </p> <p> <span style="font-size:16px;">就地顯示壓力可以選用數(shù)顯式壓力表、液柱式壓力表、浮標(biāo)式壓力表等；需要遠(yuǎn)傳壓力信號或?qū)毫π盘栠M(jìn)行控制時，可以選擇遠(yuǎn)傳壓力表、控制式壓力表、報警式壓力表等。</span> </p> <p> <span style="font-size:16px;"> <strong><span style="color:#E53333;"> 2、測點個數(shù)</span></strong><span style="color:#E53333;"><strong></strong></span></span> </p> <p> <span style="font-size:16px;">需要同時測量多點壓力時可以選擇壓力巡檢儀表。</span> </p> <p> <span style="font-size:16px;"> <strong><span style="color:#E53333;"> 3、量程</span></strong><span style="color:#E53333;"><strong></strong></span></span> </p> <p> <span style="font-size:16px;"> 根據(jù)被測壓力大小選擇合適的壓力表量程。穩(wěn)定壓力，被測壓力應(yīng)落在1/3~2/3量程之間；脈動壓力，**z大壓力應(yīng)不超過滿量程的1/2；高壓，**z大壓力應(yīng)不超過滿量程的3/5。</span> </p> <p> <span style="font-size:16px;"> <strong><span style="color:#E53333;">4、精度</span></strong></span> </p> <p> <span style="font-size:16px;"> 根據(jù)生產(chǎn)過程允許的**z大測量誤差選擇，兼顧經(jīng)濟(jì)性、可靠性與耐用性。</span> </p> <p> <span style="font-size:16px;"> <strong><span style="color:#E53333;"> 5、外形尺寸</span></strong><span style="color:#E53333;"><strong></strong></span></span> </p> <p> <span style="font-size:16px;">數(shù)顯壓力表一般選擇表盤直徑為φ60mm、φ80mm、φ100mm；指針儀表表盤直徑一般選為φ150mm，較差照明條件下可增大到φ200~φ250mm。</span> </p> <p> <span style="font-size:16px;color:#E53333;"><strong>6、被測介質(zhì)特性</strong></span> </p> <p> <span style="font-size:16px;"> 黏稠、易結(jié)晶、具有腐蝕性或含固體顆粒的被測介質(zhì)應(yīng)選用平膜壓力表或帶化學(xué)密封裝置的壓力表；蒸汽或高溫介質(zhì)應(yīng)選不銹鋼壓力表或安裝冷凝圈；測特殊化工介質(zhì)要選用**壓力表，如含氨介質(zhì)選氨用壓力表，含硫介質(zhì)選抗硫壓力表等。</span> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="青島4路報警壓力控制器批發(fā)" src="http://tyunfile.71360.com/UploadFile/kytdck/637221030927275390/8275397.jpg"></div></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/226617.html</p></div></div></div></div></div><div id="lfx7poa" class="page-right twoColRt"><div id="3pmj3jq" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="xhelawn" 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配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="gf73tl7" 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