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       <h1 class="ny_newsdetail_title">BOD测定方法介绍——无汞压差法</h1>
       <div class="ny_newsdetail_tips">更新时间：2015-09-23&nbsp;&nbsp;|&nbsp;&nbsp;点击率：9935</div>
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          <span style="font-family: Arial, simsun, 微软雅黑, 宋体; line-height: 24px;">在市政污水处理上通常会用到的BOD测定方法&mdash;&mdash;&ldquo;压差法&rdquo; ：利用呼吸法测试BOD，氧的减少会产生一定的压力差，而这个压力差可以通过一个压力探头感测出来。这是一种非常实用且容易操作的方法。这种方法要求将水样在20℃条件下培养5天。隆力德可提供各种恒温培养箱。</span><div style="margin: 0px; padding: 0px; font-family: Arial, simsun, 微软雅黑, 宋体; line-height: 24px;"><h1 style="margin: 0px; padding: 0px;">无汞压差法BOD测试仪</h1></div><p style="margin: 0px; padding: 0px; font-family: Arial, simsun, 微软雅黑, 宋体; line-height: 24px;">用OxiTop&reg;和OxiTop&reg; Control来测试BOD和呼吸速率</p><br /><ul type="disc" style="margin: 0px; padding: 0px; list-style: none; font-family: Arial, simsun, 微软雅黑, 宋体; line-height: 24px;">    <li style="margin: 0px; padding: 0px;"><a name="c9548" style="margin: 0px; padding: 0px; color: rgb(118, 118, 118);"></a>精度高</li>    <li style="margin: 0px; padding: 0px;">数据5天自动储存</li>    <li style="margin: 0px; padding: 0px;">携带方便</li>    <li style="margin: 0px; padding: 0px;">功能可扩展</li></ul><p style="margin: 0px; padding: 0px; font-family: Arial, simsun, 微软雅黑, 宋体; line-height: 24px;"><a name="c9549" style="margin: 0px; padding: 0px; color: rgb(118, 118, 118);"></a>套装仪器，可同时测试6个或12个样品</p><p style="margin: 0px; padding: 0px; font-family: Arial, simsun, 微软雅黑, 宋体; line-height: 24px;">OxiTop&reg;的测试原理如下：在一个密闭系统中，样品中的微生物消耗氧气同时生成二氧化碳，生成的二氧化碳被NaOH药丸吸收，导到气压发生变化，通过一个压力传感器感测压力变化并转换成BOD值。所加入的样品体积大小跟样品的的BOD值有关，BOD值越大，所加入的样品体积越小，仪器的zui大测试量程可达4000 mg/l。OxiTop&reg;感测头（有绿色和黄色2种颜色，可当做进口/出口区分）具有自动恒温判断功能：如果样品的温度太低，测试会自动延迟至少1个小时直到达到一个恒定的温度。仪器每天自动存贮一次数据，共5个，每天一个，另外用户也可随时查阅当前的测试数据，便于在有异常情况时发出警报。</p><p style="margin: 0px; padding: 0px; font-family: Arial, simsun, 微软雅黑, 宋体; line-height: 24px;">&nbsp;</p><table border="0" cellspacing="0" cellpadding="0" width="100%" style="margin: 0px; padding: 0px; color: rgb(0, 0, 0); font-family: Arial, simsun, 微软雅黑, 宋体; font-size: 12px; line-height: 24px;">    <tbody style="margin: 0px; padding: 0px;">        <tr style="margin: 0px; padding: 0px;">            <td valign="top" style="margin: 0px; padding: 0px;">            <p style="margin: 0px; padding: 0px;"><a name="c9550" style="margin: 0px; padding: 0px; color: rgb(118, 118, 118);"></a>测试量程</p>            </td>            <td valign="top" style="margin: 0px; padding: 0px;">            <p style="margin: 0px; padding: 0px;">0 ... 40 位<br style="margin: 0px; padding: 0px;" />            相当于<br style="margin: 0px; padding: 0px;" />            0 ... 40 / 80 / 200 / 400 / 800 / 2000 / 4000 mg/l BOD</p>            </td>        </tr>    </tbody></table><p style="margin: 0px; padding: 0px; font-family: Arial, simsun, 微软雅黑, 宋体; line-height: 24px;">&nbsp;</p><h2 style="margin: 0px; padding: 0px; font-family: Arial, simsun, 微软雅黑, 宋体; line-height: 24px;"><a name="c9554" style="margin: 0px; padding: 0px; color: rgb(118, 118, 118);"></a>遥控无汞压差法BOD测试仪，用于大批量的测试</h2><br /><ul type="disc" style="margin: 0px; padding: 0px; list-style: none; font-family: Arial, simsun, 微软雅黑, 宋体; line-height: 24px;">    <li style="margin: 0px; padding: 0px;"><a name="c9557" style="margin: 0px; padding: 0px; color: rgb(118, 118, 118);"></a>红外遥控器</li>    <li style="margin: 0px; padding: 0px;">zui多允许同时测试100个样品</li>    <li style="margin: 0px; padding: 0px;">统计分析功能</li>    <li style="margin: 0px; padding: 0px;">自动分配样品识别号ID</li></ul><p style="margin: 0px; padding: 0px; font-family: Arial, simsun, 微软雅黑, 宋体; line-height: 24px;"><a name="c9558" style="margin: 0px; padding: 0px; color: rgb(118, 118, 118);"></a>有2种套装，6瓶和12瓶系统，通过红外遥控手操器OC100操作，一台手操器可控制多达100个感测头。手操器具备强大的数据管理功能，可在大尺寸屏幕上显示测试结果。也可把手操器连上电脑做进一步的数据处理，此时需要AK540/B电缆(订货号902 842)和应用软件Achat OC(订货号208 990)。&nbsp;<a href="http://www.wtw.de/index.php?id=1041&amp;L=5" target="_self" style="margin: 0px; padding: 0px; color: rgb(118, 118, 118); text-decoration: none;">OC 110手操器</a>&nbsp;具有更多的功能，可测试特殊场合的呼吸速率。</p><h2 style="margin: 0px; padding: 0px; font-family: Arial, simsun, 微软雅黑, 宋体; line-height: 24px;"><a name="c9560" style="margin: 0px; padding: 0px; color: rgb(118, 118, 118);"></a>OC 100/OC 110手操器</h2><br /><h2 style="margin: 0px; padding: 0px; font-family: Arial, simsun, 微软雅黑, 宋体; line-height: 24px;"><a name="c9563" style="margin: 0px; padding: 0px; color: rgb(118, 118, 118);"></a>特点</h2><ul type="disc" style="margin: 0px; padding: 0px; list-style: none; font-family: Arial, simsun, 微软雅黑, 宋体; line-height: 24px;">    <li style="margin: 0px; padding: 0px;">可管理多达100个感测头。</li>    <li style="margin: 0px; padding: 0px;">数据分析统计功能。</li>    <li style="margin: 0px; padding: 0px;">自动计算BOD数值，并显示BOD曲线。</li>    <li style="margin: 0px; padding: 0px;">可透过玻璃门传送数据。</li>    <li style="margin: 0px; padding: 0px;">通过Achot OC应用软件来跟电脑相连。</li>    <li style="margin: 0px; padding: 0px;">符合GLP及AQS标准，可通过OxiTop&reg; PM标准药丸来定期标定仪器</li></ul><p style="margin: 0px; padding: 0px; font-family: Arial, simsun, 微软雅黑, 宋体; line-height: 24px;">&nbsp;</p><table border="0" cellspacing="0" cellpadding="0" width="100%" style="margin: 0px; padding: 0px; color: rgb(0, 0, 0); font-family: Arial, simsun, 微软雅黑, 宋体; font-size: 12px; line-height: 24px;">    <tbody style="margin: 0px; padding: 0px;">        <tr style="margin: 0px; padding: 0px;">            <td valign="top" style="margin: 0px; padding: 0px;">            <p style="margin: 0px; padding: 0px;"><a name="c9564" style="margin: 0px; padding: 0px; color: rgb(118, 118, 118);"></a>数据组</p>            </td>            <td valign="top" style="margin: 0px; padding: 0px;">            <p style="margin: 0px; padding: 0px;">180 &hellip; 360 (跟测试时间有关)</p>            </td>        </tr>        <tr style="margin: 0px; padding: 0px;">            <td valign="top" style="margin: 0px; padding: 0px;">            <p style="margin: 0px; padding: 0px;">测试时间</p>            </td>            <td valign="top" style="margin: 0px; padding: 0px;">            <p style="margin: 0px; padding: 0px;">0.5小时 &hellip; 99天</p>            </td>        </tr>    </tbody></table><p style="margin: 0px; padding: 0px; font-family: Arial, simsun, 微软雅黑, 宋体; line-height: 24px;">&nbsp;</p><h2 style="margin: 0px; padding: 0px; font-family: Arial, simsun, 微软雅黑, 宋体; line-height: 24px;"><a name="c9565" style="margin: 0px; padding: 0px; color: rgb(118, 118, 118);"></a>OxiTop&reg;- C感测头</h2><ul type="disc" style="margin: 0px; padding: 0px; list-style: none; font-family: Arial, simsun, 微软雅黑, 宋体; line-height: 24px;">    <li style="margin: 0px; padding: 0px;"><a name="c9568" style="margin: 0px; padding: 0px; color: rgb(118, 118, 118);"></a>OxiTop&reg;-C感测头有具有自动恒温判断功能；如果样品温度太低，那么测试开始的时间会自动延迟，zui多达4个小时直到样品达到恒温。测试常规的BOD时该功能可关闭。</li>    <li style="margin: 0px; padding: 0px;">感测头能够存储多达360组数据。按照事先设定好的测试周期（0.5小时到99天）将数据自动按相应的间隔进行存储。</li>    <li style="margin: 0px; padding: 0px;">内置压力探头能够记录从500到1,350 hPa的压力差。</li></ul><p style="margin: 0px; padding: 0px; font-family: Arial, simsun, 微软雅黑, 宋体; line-height: 24px;"><a name="c9569" style="margin: 0px; padding: 0px; color: rgb(118, 118, 118);"></a>OxiTop&reg;-C感测头没有传统的显示屏和按键，但有一个红外接口，与手操器OC 100或OC 110通讯使用。当把手操器对准感测头时，可识别样品并启动测试。用户可以通过手操器采集或删除数据，以及查阅测试进度。每个样品都会自动分配一个*的样品识别号，即使是同时测试多个样品也不会搞乱掉，另外用户还可以方便地统计分析测试到的结果。</p><p style="margin: 0px; padding: 0px; font-family: Arial, simsun, 微软雅黑, 宋体; line-height: 24px;">&nbsp;</p><table border="0" cellspacing="0" cellpadding="0" width="100%" style="margin: 0px; padding: 0px; color: rgb(0, 0, 0); font-family: Arial, simsun, 微软雅黑, 宋体; font-size: 12px; line-height: 24px;">    <tbody style="margin: 0px; padding: 0px;">        <tr style="margin: 0px; padding: 0px;">            <td valign="top" style="margin: 0px; padding: 0px;">            <p style="margin: 0px; padding: 0px;"><a name="c9570" style="margin: 0px; padding: 0px; color: rgb(118, 118, 118);"></a>测试原理</p>            </td>            <td valign="top" style="margin: 0px; padding: 0px;">            <p style="margin: 0px; padding: 0px;">无汞压差法</p>            </td>        </tr>        <tr style="margin: 0px; padding: 0px;">            <td valign="top" style="margin: 0px; padding: 0px;">            <p style="margin: 0px; padding: 0px;">测试参数</p>            </td>            <td valign="top" style="margin: 0px; padding: 0px;">            <p style="margin: 0px; padding: 0px;">BODn</p>            </td>        </tr>        <tr style="margin: 0px; padding: 0px;">            <td valign="top" style="margin: 0px; padding: 0px;">            <p style="margin: 0px; padding: 0px;">压力量程</p>            </td>            <td valign="top" style="margin: 0px; padding: 0px;">            <p style="margin: 0px; padding: 0px;">500 - 1350 hPa</p>            </td>        </tr>        <tr style="margin: 0px; padding: 0px;">            <td valign="top" style="margin: 0px; padding: 0px;">            <p style="margin: 0px; padding: 0px;">准确度</p>            </td>            <td valign="top" style="margin: 0px; padding: 0px;">            <p style="margin: 0px; padding: 0px;">&plusmn;1%测试值&plusmn;1 hPa</p>            </td>        </tr>        <tr style="margin: 0px; padding: 0px;">            <td valign="top" style="margin: 0px; padding: 0px;">            <p style="margin: 0px; padding: 0px;">分辨率</p>            </td>            <td valign="top" style="margin: 0px; padding: 0px;">            <p style="margin: 0px; padding: 0px;">1 hPa (相当于0.7% BODn量程)</p>            </td>        </tr>    </tbody></table><p style="margin: 0px; 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