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href="http://www.cdcfah.com/cp/third-gydqew_gykggek/">高壓開關(guān)柜</a>?樂山壓力儀表報(bào)價(jià) 推薦咨詢成都皖川科技供應(yīng)</p><div id="vpwdpb8" class="leftbox clearfix"><h1>樂山壓力儀表報(bào)價(jià) 推薦咨詢成都皖川科技供應(yīng)</h1><div id="gk2p2z9" class="proBig"><div id="fy7wzv4" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/cdwckj/637107307858222656/70369.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="zd3qlin" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/cdwckj/637107307858222656/70369.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="gnkpg2w" 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>樂山壓力儀表報(bào)價(jià)</p><p><span>***更新：</span>2020-06-26 19:20:59</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="etn9qae" 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="2fys884" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="veb7civ" class="box"><p><p> 一般壓力表適用于測(cè)量無(wú)危險(xiǎn)，不結(jié)晶，不凝固及對(duì)鋼合金不起腐蝕作用的液體、蒸汽和氣體等介質(zhì)的壓力，樂山壓力儀表報(bào)價(jià)。 </p> <p> <br /> </p> <p> 使用工作溫度：-40℃～70℃，相對(duì)溫度不大于 85% </p> <p> 儀表執(zhí)行標(biāo)準(zhǔn)：GB/T1226-2001 </p> <p> <span style="display:none;"></span>壓力表結(jié)構(gòu)原理 </p> <p> 儀表的測(cè)量系統(tǒng)由接頭、彈簧和傳動(dòng)機(jī)構(gòu)組成。通過指針指示儀表讀數(shù)。 </p> <p> YN系列耐震壓力表具有良好的抗振性能，特別適用于有機(jī)械振動(dòng)和介質(zhì)脈動(dòng)的工作環(huán)境，樂山壓力儀表報(bào)價(jià)，樂山壓力儀表報(bào)價(jià)。耐震壓力表可測(cè)量無(wú)危險(xiǎn)、無(wú)結(jié)晶體、不凝固以及對(duì)銅合金不起腐蝕作用的液體、氣體、蒸汽等介質(zhì)的壓力。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="樂山壓力儀表報(bào)價(jià)" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107307858222656/70369.jpg"></div><p> 誤差的分類 </p> <p> ①***誤差：某被測(cè)量的儀表顯示值與約定真值之間的差值。 </p> <p> ②相對(duì)誤差：***誤差與約定真值的百分比。 </p> <p> ③引用誤差：***誤差與儀表滿量程的百分比。 </p> <p> ④比較大引用誤差：比較大***誤差與量程的百分比。 </p> <p> ⑤回程誤差：相同條件下，被測(cè)量不變，計(jì)量器具正反行程不同時(shí)其示值之差。 </p> <p> ⑥精度：是衡量?jī)x表測(cè)量數(shù)值精確度的重要指標(biāo)，用比較大引用誤差去掉“±”和“%”表示，其序列為0．005、0．02、0．05、0．1、0．2、1．0、1．5、2．5等。 </p> <p> 誤差分析基礎(chǔ) </p> <p> 誤差可分為系統(tǒng)誤差、隨機(jī)誤差和粗大誤差等。 </p> <p> (1)準(zhǔn)確度：測(cè)量中系統(tǒng)誤差的反映，表征測(cè)量結(jié)果偏離真實(shí)值的程度。 </p> <p> 通常認(rèn)為，測(cè)量準(zhǔn)確度是一個(gè)定性的概念，不宜將其定量化。例如，不宜說準(zhǔn)確度為0．25%、16mg或±16mg等。在實(shí)際工作中，測(cè)量準(zhǔn)確度可以用測(cè)量結(jié)果對(duì)約定真值的偏移來估計(jì)。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="樂山壓力儀表報(bào)價(jià)" src="http://tyunfile.71360.com/UploadFile/cdwckj/637107306215458984/2459454.jpg"></div><p> 計(jì)量檢定 </p> <p> 計(jì)量檢定是指為評(píng)定計(jì)量器具的計(jì)量性能，確定其是否合格所進(jìn)行的全部工作，包括檢驗(yàn)和加封蓋印等。它是進(jìn)行量值傳遞的重要形式，是保證量值準(zhǔn)確一致的重要措施。 </p> <p> 計(jì)量檢定按照管理環(huán)節(jié)的不同，可以分以下五種：周期檢定、出廠檢定、修后檢定、進(jìn)口檢定、仲裁檢定。 </p> <p> 計(jì)量器具按照管理性質(zhì)的不同，可以分為強(qiáng)制檢定和非強(qiáng)制檢定，兩者又統(tǒng)稱為計(jì)量法制檢定。 </p> <p> 儀表性能指標(biāo) </p> <p> 檢測(cè)儀表中常用的基本性能包括測(cè)量范圍及量程、基本誤差、精度等級(jí)、靈敏度、分辨率、漂移、可靠性以及抗干擾性能指標(biāo)等。 </p> <p> (1)測(cè)量范圍：是指該儀表按規(guī)定的精度進(jìn)行測(cè)量的被測(cè)變量的范圍。 </p> <p> (2)量程：量程=測(cè)量上限值-測(cè)量下限值。 </p> <p> (3)零點(diǎn)遷移：是指零點(diǎn)的變化，而量程遷移是指量程的變化。 </p> <p> (4)靈敏度：反應(yīng)儀表對(duì)被測(cè)參數(shù)變化的靈敏程度，常以在被測(cè)參數(shù)改變時(shí)，經(jīng)過足夠時(shí)間儀表指示值達(dá)到穩(wěn)定狀態(tài)后，儀表輸出變化量與引起此變化的輸入量之比作為靈敏度。 </p> <p> (5)分辨率：又稱靈敏限，它是儀表輸出能響應(yīng)和分辨的**小輸入量，是靈敏度的一種反應(yīng)。 </p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/402860.html</p></div></div></div></div></div><div id="rszd4eq" class="page-right twoColRt"><div id="u2ufp7q" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="reqa7va" 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) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="onpmz8n" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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