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 <title><![CDATA[怎样测量4-20MA信号]]></title>
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 <description><![CDATA[Latest 50 replies of 怎样测量4-20MA信号]]></description>
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 <title><![CDATA[工控人家园]]></title>
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 <title><![CDATA[]]></title>
 <description><![CDATA[数字万用表串在电路中就可以le！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-119917#1128948.html]]></link>
 <author><![CDATA[henshuiwqs]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Wed, 21 Sep 2011 01:09:53 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[找个高端的数字万用表串在电路中就可以！]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-119917#1126687.html]]></link>
 <author><![CDATA[回忆依然最美]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 16 Sep 2011 14:04:15 +0000]]></pubdate>
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<item>
 <title><![CDATA[]]></title>
 <description><![CDATA[有的变送器就有方便测试电流的测试端子，test+，test-]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-119917#1126659.html]]></link>
 <author><![CDATA[slik]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 16 Sep 2011 13:14:00 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[并联500欧母电阻与4-20mA相对应是2-10V吧！500欧电阻最好用精密锰铜电阻。这样误差会小一些。]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-119917#1126656.html]]></link>
 <author><![CDATA[tjzhmjj]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 16 Sep 2011 13:08:53 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[有公式可以计算出输出是否为正常值]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-119917#1126654.html]]></link>
 <author><![CDATA[kingboy012]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 16 Sep 2011 13:07:53 +0000]]></pubdate>
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 <title><![CDATA[]]></title>
 <description><![CDATA[用电流表串联在回路里，不久可以了嘛，当然，也可以在变送器输出端并联500欧姆电阻测量0-10V电压也可以啊]]></description>
 <link><![CDATA[http://www.ymmfa.com/read-gktid-119917#1126628.html]]></link>
 <author><![CDATA[电阻焊]]></author>
 <category><![CDATA[综合讨论]]></category>
 <pubdate><![CDATA[Fri, 16 Sep 2011 12:17:19 +0000]]></pubdate>
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