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       <h1 class="ny_newsdetail_title">余氯仪的标定说明</h1>
       <div class="ny_newsdetail_tips">更新时间：2016-04-21&nbsp;&nbsp;|&nbsp;&nbsp;点击率：3304</div>
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          <strong><span style="font-size: larger;">余氯仪</span></strong><span style="font-size: larger;">的标定说明由于每支余氯电极的零电流及电极斜率不尽相同，随着填充液（电解液）的消耗，零电流和斜率在使用过程中会逐渐变化，产生老化现象，而且每次添加电解液或更换渗透膜也会引起零电流和斜率的变化，这就需要定期进行&ldquo;标定&rdquo;，以保证测量精度。</span><p><span style="font-size: larger;">进入本菜单前同样需要输入正确的密码</span></p><p><span style="font-size: larger;">余氯仪零点标定：把余氯电极放置于无氯水中，标定电极的零点（出厂时已标定完成，客户使用时可省略此步骤）。</span><o:p></o:p></p><p><span style="font-size: larger;">余氯仪斜率标定：把余氯电极放置在已知余氯浓度的溶液中或所测水样中，用于标定电极的斜率。</span><o:p></o:p><o:p></o:p></p><p><v:group id="_x0000_s1026" coordsize="2903,1451" coordorigin="3098,13943"><v:shapetype id="_x0000_t202" coordsize="21600,21600" path="m,l,21600r21600,l21600,xe" o:spt="202"><v:stroke joinstyle="miter"></v:stroke><v:path o:connecttype="rect" gradientshapeok="t"></v:path></v:shapetype><v:shape id="_x0000_s1027" strokeweight=".25pt" filled="f" type="#_x0000_t202"><v:textbox inset="1mm,1mm,1mm,1mm"></v:textbox></v:shape></v:group></p><table cellspacing="0" cellpadding="0">    <tbody>        <tr>            <td>            <div>            <p><o:p><span style="font-size: larger;">&nbsp;</span></o:p></p>            </div>            </td>        </tr>    </tbody></table><v:shape id="_x0000_s1028" filled="f" type="#_x0000_t202" stroked="f"><v:textbox inset="0,0,0,0"><table cellspacing="0" cellpadding="0">    <tbody>        <tr>            <td>            <div>            <p><span style="font-size: larger;">零点标定</span><o:p></o:p></p>            </div>            </td>        </tr>    </tbody></table></v:textbox></v:shape><v:shape id="_x0000_s1029" filled="f" type="#_x0000_t202" stroked="f"><v:textbox inset="0,0,0,0"><table cellspacing="0" cellpadding="0">    <tbody>        <tr>            <td>            <div>            <p><span style="font-size: larger;">斜率标定</span><o:p></o:p></p>            </div>            </td>        </tr>    </tbody></table></v:textbox></v:shape><v:line id="_x0000_s1030" strokeweight="1.25pt" to="5123,14366" from="3755,14366"></v:line><v:shape id="_x0000_s1031" filled="f" type="#_x0000_t202" stroked="f"><v:textbox inset="0,0,0,0"><table cellspacing="0" cellpadding="0">    <tbody>        <tr>            <td>            <div>            <p><span style="font-size: larger;">pH两点标定</span><o:p></o:p></p>            </div>            </td>        </tr>    </tbody></table></v:textbox></v:shape><span style="font-size: larger;">按屏幕提示操作，可方便直观地进行标定。标定结束后可进入&ldquo;参数&rdquo;菜单中观察标定结果。</span><o:p></o:p><p>&nbsp;</p><p><span style="font-size: larger;">进入&ldquo;标定&rdquo;菜单后，用上下键移动光标，选择标定内容，按&ldquo;确认&rdquo;开始。准确标定完后按&ldquo;退出&rdquo;，退到显示界面。标定时先标定pH电极后标定余氯电极。</span><o:p></o:p></p><p><strong><span style="font-size: larger;">余氯仪</span></strong><span style="font-size: larger;">零点标定：</span><o:p></o:p><span style="font-size: larger;">标定余氯电极的零点，保持渗透膜头干净，标定前用干净滤纸将电极底部的水滴轻轻地吸干(不要用滤纸去擦电极，以免擦破电极膜)，把余氯电极置于无氯水中（如蒸馏水、纯净水等），操作仪表按&ldquo;确认&rdquo;键进入，然后按屏幕提示操作。</span><o:p></o:p></p><p><o:p><span style="font-size: larger;">&nbsp;&nbsp;余氯仪</span></o:p><span style="font-size: larger;">斜率标定（重要步骤，请仔细阅读）：</span><o:p></o:p><span style="font-size: larger;">标定余氯电极的斜率。标定前，把余氯电极置于已知浓度的余氯标准液中（须有搅拌器），pH电极也可放入，操作仪表按&ldquo;确认&rdquo;键进入，然后按屏幕提示操作。</span><o:p></o:p><o:p><span style="font-size: larger;">&nbsp;</span></o:p><span style="font-size: larger;">如无法配置余氯标准溶液，请将余氯电极和pH电极直接安装在有机玻璃测量流通杯里，接通水样（保证水样中含有一定余氯），让仪器稳定30分钟左右，此时采用余氯试剂、笔式余氯计或其它测量装置检测出水样中的实际余氯值，将实际余氯值输入到仪器标定菜单中&ldquo;请输入余氯浓度&rdquo;步骤，然后按&ldquo;确认&rdquo;进行标定，zui后按&ldquo;确认&rdquo;保存所标数据。</span></p>
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