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          <div class="bt_text_y"><span><a href="/">首页</a> > <a href="/article.html">技术文章</a> > 电子桌秤更换传感器如何更换</span></div>
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       	  <div><h1>电子桌秤更换传感器如何更换</h1></div>
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  　更新时间：2015-07-30　点击量：<span id="Click">2196</span>
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          <p><strong><span style="font-size:10.5000pt"><span style="font-family:宋体">电子桌秤更换传感器如何更换</span></span></strong></p><p>&nbsp;&nbsp;<img alt="" data-cke-saved-src="http://img66.chem17.com/9/20150730/635738607148679203472.jpg" src="http://img66.chem17.com/9/20150730/635738607148679203472.jpg" style="width: 450px; height: 450px;"><img alt="" data-cke-saved-src="http://img67.chem17.com/9/20150730/635738607249569377812.jpg" src="http://img67.chem17.com/9/20150730/635738607249569377812.jpg" style="width: 406px; height: 276px;"><img alt="" data-cke-saved-src="http://img66.chem17.com/9/20150730/635738607398809219714.jpg" src="http://img66.chem17.com/9/20150730/635738607398809219714.jpg" style="width: 400px; height: 400px;"><img alt="" data-cke-saved-src="http://img66.chem17.com/9/20150730/635738607494078269423.jpg" src="http://img66.chem17.com/9/20150730/635738607494078269423.jpg" style="width: 450px; height: 379px;"><br></p><p>&nbsp;&nbsp;<span style="font-size:9.0000pt"><span style="font-family:宋体">现如今，使用台秤的用户越来越多，对电子秤精度、误差的报怨也屡见不鲜。为减少这种现象，</span></span><span style="font-size:9.0000pt"><span style="font-family:宋体">巨天</span></span><span style="font-size:9.0000pt"><span style="font-family:宋体">电子</span></span><span style="font-size:9.0000pt"><span style="font-family:宋体">衡器</span></span><span style="font-size:9.0000pt"><span style="font-family:宋体">和您分享一下我们是如何减少台秤称量误差的</span></span></p><p><span style="font-size:9.0000pt"><span style="font-family:宋体">首先，我们先了解一下台秤的准确度等级：特种准确度I级；高准确度II级；中准确度III级；普通准确度IIIIJ级。</span></span></p><p><span style="font-size:9.0000pt"><span style="font-family:宋体">台秤大多属于中准确度III级。检定标准：一定质量的标准砝码放在秤台上，台秤的显示质量值与砝码质量值的误差。</span></span></p><p><strong><span style="font-size:10.5000pt"><span style="font-family:宋体">电子桌秤更换传感器如何更换</span></span></strong></p><p><span style="font-size:9.0000pt"><span style="font-family:宋体">准确度III级电子秤的准确度检测项目和允差标准</span></span></p><p><span style="font-size:9.0000pt"><span style="font-family:宋体">a&nbsp;zui小秤量（Min）砝码=（Min）&plusmn;0</span></span></p><p><span style="font-size:9.0000pt"><span style="font-family:宋体">b&nbsp;500e砝码=500e&plusmn;0.5e</span></span></p><p><span style="font-size:9.0000pt"><span style="font-family:宋体">c&nbsp;2000e砝码=2000e&plusmn;1.0e</span></span></p><p><span style="font-size:9.0000pt"><span style="font-family:宋体">d&nbsp; 秤量（Max）砝码=（Max）&plusmn;1.5e</span></span></p><p><span style="font-size:9.0000pt"><span style="font-family:宋体">符合上述允差标准的电子秤才是准确度合格的产品。</span></span></p><p>&nbsp;&nbsp;&nbsp;<strong><span style="font-size:10.5000pt"><span style="font-family:宋体">电子桌秤更换传感器如何更换</span></span></strong></p><p>&nbsp;<span style="font-size:9.0000pt"><span style="font-family:宋体">二：我们从三方面来保证电子秤的准确性的</span></span></p><p>&nbsp;&nbsp;&nbsp;&nbsp;<span style="font-size:9.0000pt"><span style="font-family:宋体">1.传感器指标的保证</span></span></p><p><span style="font-size:9.0000pt"><span style="font-family:宋体">选择各项指标满足准确度要求的传感器是保证台秤质量的关键。线性度、蠕变、空载温度系数及灵敏度温度系数是传感器的重要指标</span></span></p><p>&nbsp;&nbsp;&nbsp;&nbsp;<span style="font-size:9.0000pt"><span style="font-family:宋体">2.台秤电路的温度系数</span></span></p><p><span style="font-size:9.0000pt"><span style="font-family:宋体">输入放大器的输入电阻和反馈电阻的温度系数是影响电子秤灵敏度温度系数的重要因素，必须选择温度系数是5×10－6的金属膜电阻。对于生产的每一台电子台秤必须进行高温测试。对于某些温度系数少量超差的产品可以用温度系数小于25×10－6的金属膜电阻进行补偿。高温测试的同时对产品进行了温度老化，提高了产品的稳定性。</span></span></p><p>&nbsp;&nbsp;&nbsp;&nbsp;<span style="font-size:9.0000pt"><span style="font-family:宋体">3电子秤的非线性补偿</span></span></p><p><span style="font-size:9.0000pt"><span style="font-family:宋体">在理想情况下，电子秤经模数转换后的数字量和施加在电子秤上的重量应是线性关系。生产过程中进行准确度标定时，使用内部的计算机程序进行单点校正。按照理想直线计算出数字与重量的斜率后存储在存储器中。这就无法克服传感器和积分器产生的非线性误差。采用多点校正，用多条直线来逼近一条曲线有效地减少了非线性误差又不增加硬件成本。</span></span></p><p><strong><span style="font-size:10.5000pt"><span style="font-family:宋体"></span></span></strong></p><p><br></p> 
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