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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p><strong><span>一、产品介绌�/span></strong></p><p><span>JC-870H型数字式BOD</span><sub><span>5</span></sub><span>测定仪是利用空气压差法原理进行生化需氧量测定的一种新型仪器，可广泛应用于环保监测、石油化工、医疗卫生、教学科研等部门对水质的监测。该系列产品遵循GB7488-87水质五日生化需氧量的基本原则。五日培养法也称标准稀释法或稀释接种法。原理是：水样经稀释后，在20�?#177;1℃条件下培养5天，求出培养前后水样中溶解氧含量，二者的差值为BOD5。生化需氧量或生化耗氧�?一般指五日化学需氧量)，表示水中有机物等需氧污染物质含量的一个综合指标。说明水中有机物由于微生物的生化作用进行氧化分解，使之无机化或气体化时所消耗水中溶解氧的总数量。其值越高说明水中有机污染物质越多，污染也就越严重、�/span></p><p><span><strong>二、产品参�?/strong></span></p><p><strong></strong></p><p><span>1�?/span><span>测量范围９�/span><span>0�?000mg/L（BOD值超出测定范围时需要稀释）</span></p><p><span>2�?/span><span>温度９�/span><span>0-40�?/span></p><p><span>3、测定方法：差压泔�/span></p><p><span>4�?/span><span>准确度：符合国标</span><span>“GB7488-87”标准规宙�/span></p><p><span>5�?/span><span>批处理量９�/span><span>6份水栶�/span></p><p><span>6、显示：</span><strong><strong><span>LED显示</span></strong></strong><span><strong>，实时更�?/strong></span><strong><span>BOD测试的结果和状�?/span></strong></p><p><span>7�?/span><span>培养温度９�/span><span>20�?#177;1ℂ�/span></p><p><span>8�?/span><span>传输方式９�/span><span>RS-232接口输入输出</span></p><p><span>9�?/span><span>主机重量９�/span><span>5kg</span></p><p><span>10�?/span><span>主机功耗：</span><span>�?0W</span></p><p><span><strong>三、产品特炸�/strong></span></p><p><span>1�?/span><strong><span>直观�?/span></strong><span>９�/span><span>数字直接显示BOD初值、�/span></p><p><span>2�?/span><strong><span>稳定�?/span></strong><span>９�/span><span>采用进口压力传感器，</span><strong><span>�?/span></strong><strong><strong><span>能稳定，漂移少，维护率低</span></strong></strong><strong><span>、�/span></strong></p><p><span>3�?/span><strong><span>安全�?/span></strong><span>９�/span><span>不使用水银，</span><strong><span>安全、无二次污染</span></strong><span>、�/span></p><p><span>4�?/span><strong><span>不稀釉�/span></strong><span>９�/span><span>样品BOD值在0-1000mg/L范围内无需稀释、�/span></p><p><span>5�?/span><strong><span>全密�?/span></strong><span>９�/span><span>全系统密封，差压测试，不受大气压变化影响，测定准确可靠、�/span></p><p><span>6�?/span><strong><span>智能�?/span></strong><span>９�/span><span>仪器智能化，可实现自动开关机，全按键操作，可连接电脑直接上传数据、�/span></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; font-size: 14px; margin: 10px 0 0; line-height: 26px;"> 暂无数据� </p> </div>  <div class="xgfa"> <div class="xgfa_tit"> <div> <span></span>相关方案 </div> </div> <div class="xgfa_box" style="display: block;"><div style="padding:10px;">暂无相关方案、�/div> </div> </div> <script> $(function(){ // 切换 $(".xgfa_tit_ul li").hover(function(){ $(".xgfa_tit_ul li").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); var _index = $(this).index(); $(".xgfa_box").css("display","none"); $(".xgfa_box").eq(_index).css("display","block"); }); }); </script>  <div class="xgzl"> <div class="cxd_tit"><span></span>相关资料</div> <div class="xgzl_box"><div style="padding:10px;">暂无数据、�/div> </div> </div>  <div class="yhpl"> <div class="cxd_tit"><span></span>用户评论</div> <form id="FormComments" action="" method="post" onsubmit="return false"> <input name="SaveProComments" id="SaveProComments" type="hidden" value="yes" /> <input name="ProductID" id="ProductID" type="hidden" value="245206" /> <input name="ProQuality" id="ProQuality" type="hidden" value="10" /> <input name="ProService" id="ProService" type="hidden" value="10" /> <input name="ProUsability" id="ProUsability" type="hidden" value="10" /> <input name="ProCostperformance" id="ProCostperformance" type="hidden" value="10" /> <div class="yhpl_pf"> <div> <p>产品质量</p> <div><span id="Quality" class="stars star10"></span><span id="Quality_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>售后服务</p> <div><span id="Service" class="stars star10"></span><span id="Service_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>易用�?/p> <div><span id="Usability" class="stars star10"></span><span id="Usability_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> <div> <p>性价毓�/p> <div><span id="Costperformance" class="stars star10"></span><span id="Costperformance_Val" class="ScoreVal" curScore="10">10刅�/span></div> </div> </div> <div class="yhpl_pftit">评论内容</div> <textarea name="Comments" id="ProComments" onfocus="checklogin();" placeholder="分享产品使用经验/采购评价（不超过500字）">