西門子流量計(jì)的產(chǎn)品說(shuō)明： 原理：所有的電磁流量計(jì)都是基于法拉第電磁感應(yīng)定律設(shè)計(jì)： UM=B.V.D.K測(cè)量電壓產(chǎn)生于各流體的流向正交的電磁場(chǎng)。由兩個(gè)電極 獲得測(cè)量電壓 B=磁通過(guò)密度，穿過(guò)流體介質(zhì)并正交于流體流向 V=介質(zhì)流速 D=測(cè)量管道內(nèi)徑 K=比例系數(shù)或傳感器常數(shù) 電磁流量計(jì)的功能各測(cè)量原理 電磁流量計(jì)通常由一個(gè)內(nèi)表面不導(dǎo)電的測(cè)量管、串聯(lián)連接且沿管道 徑向安裝的電磁線圈以及至少兩個(gè)電極組成。電極插入管壁并與被 測(cè)介質(zhì)相接觸。電流通過(guò)的磁場(chǎng)線圈產(chǎn)生的一個(gè)脈沖電磁場(chǎng)，其磁 通密度B垂直于管道軸線 診斷： 明確的文字標(biāo)識(shí)和故障記錄座斷功能是儀表的基本功能 故障分類：功能；報(bào)警；持久性和重大錯(cuò)誤，變送器自檢：線圈和 電極測(cè)試過(guò)載 空管：半滿管；低導(dǎo)電率；電極污垢 校驗(yàn)-步驟 SITRANS F M MAGFLO流量計(jì)的校驗(yàn)過(guò)和包括下列幾個(gè)測(cè)試步驟 變送器測(cè)試 流量計(jì)和電纜絕緣測(cè)試 傳感器磁性測(cè)試。 西門子流量計(jì)7ME系列一級(jí)代理 聯(lián)系人：朱溪。手機(jī)：13818647848 QQ:928114553 QQ: 1250103578 7ME6910-1AA30-0AA0 7ME6130-1MA20-2AA1 7ME6140-3FA21-1CA1 7ME6520-5YF12-2AA1 7ME6310-8YA11-1AA1 7ME6910-1AA10-0AA0 7ME6130-1RA20-2AA1 7ME6140-3MA21-1CA1 7ME6520-6FF12-2AA1 7ME6310-4PB11-1AA1 7ME6910-1AA30-1AA0 7ME6130-1VA20-2AA1 7ME6140-3TA21-1CA1 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