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} }); function showliuyan(me, showtype){ if(showtype==0){ //$("#Content").val($("#Content").attr('placeholder')); Content= document.getElementById('PopMsgFrom').Content.getAttribute('placeholder'); document.getElementById('PopMsgFrom').Content.value=Content; } if(showtype==1){ // $("#Content").val($(me).text()); alert($(me).text()); document.getElementById('PopMsgFrom').Content.value=$(me).text(); } $(".fxp").css("display","flex"); } function close_popwin(){ $(".fxp").css("display","none"); // 关闭虚拟电话后的留言� $(".dhxj").css("display","none"); $(".dhxjbox").css("display", "none"); $(".dhxjbox2").css("display", "none"); return false; } </script>  <div class="cpjs"> <div class="cpjs_tab"> <div class="js_cpjj" style="border-bottom: 3px solid #1479d7; color: #1479d7;">产品介绍</div> <div class="js_cxd">创新炸�/div> <div class="js_xgfa">相关方案</div> <div class="js_xgzl">相关资料</div> <div class="js_yhpl">用户评论</div> <div class="js_gsdt">公司动�?/div> <div class="js_wsj">问商宵�/div> </div> <script> $(function(){ // 切换 $(".cpjs_tab a").click(function(){ $(".cpjs_tab a").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p><strong><span>产品介绍９�/span></strong><strong></strong></p><p><span>便携式密度计</span>/比重�?DMA-135D)是PLDMC公司为了满足分析检测工作者对日常检测快逞�/span><span>�?/span><span>方便</span><span>�?/span><span>准确、轻�?/span><span>侾�/span><span>携的要求</span><span>而设计研发的新一代快速密度检测仪�?/span><span>＋�/span><span>仪器</span><span>采用先进的振动管式密度传感器</span><span>，并</span><span>采用温度属性及弹性均好的石英玻璃制成友�/span>U型振动管� 利用电子反馈系统将其维持在谐振状� ，当被测液体进入U型管 ，振动管的共振频率即发生变化� 液体密度增加使其总质量增� ，导致振动频率降� ，反之亦然� 经适当校准 ＋�/span><span>利用</span><span>谐振频率与管内液体密度之间的</span><span>确定</span><span>关系</span><span>＋�/span><span>通过测定振动管的共振频率</span><span>，即可求出待测液体的密度、�/span></p><p><span>便携式密度计</span>/比重�?DMA-135D)</span><span>是密度计法，</span><span>密度瓵�/span>/比重瓶法和天平法</span><span>等测量密度的理想替代检测仪器、�/span></p><p><strong><span>性能优势９�/span></strong><strong></strong></p><p><span>1�?/span><span>测量精度髗�/span><span>�?/span><span> �� 0. 1 % </span><span>，范围大：�/span></p><p><span>2�?/span><span>具有温度测量及温度补偿功胼�/span><span>：�/span></p><p><span>3�?/span><span>可测量真密度</span><span>＋�/span><span>相对密度及浓�?/span><span>：�/span></p><p><span>4、进样量小，测量结果不易受其它因素影响；</span></p><p><span>5、检测速度快，每次只要数秒钟；</span></p><p><span>6�?/span><span>采用了低功耗电路设讠�/span><span>＋�/span><span>9V 积层电池供电</span><span>：�/span></p><p><span>7、可以进行自校正</span><span>或标准液做校止�/span><span>：�/span><span>8�?/span><span>仪器体积導�/span><span>＋�/span><span>重量轺�/span><span>＋�/span><span>便于携带</span><span>：�/span></p><p><strong><span>应用范围９�/span></strong><strong></strong></p><p><span> 便携式密度计/比重�?DMA-135D)</span><span>应用面广</span> ，不仅应用于石油产品密度测量方面 ，也用于机电行业中的绝缘用油、洗净液、切削油、压延油、润滑液等的密度测量� 同时应用在化学工业中的各种化学试剂、溶剂、化妆品，清洁品，涂料密度及电子行业中的电镀液、助焊剂、电路板清洗液等密度的快速测量等� 尤其在制药和食品工业� ，需要对药品、酒类、饮料、调料、植物油等产品进行密度和浓度测量时有着不可替代的应用，更广泛用于大中专院校、科研机构、质检、生物、纺织、环保等领域、�/span></p><p><strong><span>执行标准９�/span></strong><strong></strong></p><p><span>GB/T 29617 - 2013 数字密度计测定液体密度、相对密度和API比重的试验方法、�/span></p><p><span>GB/T 2013 - 2010 液体石油化工产品密度测定�?U形振动管�?、�/span></p><p><span>SH/T 0604 - 2000 原油和石油产品密度测定法(U形振动管�?� </span></p><p><span>SN/T 2383 - 2009 液体化工� 密度和相对密度的测定 数字式密度计法、�/span></p><p><span>DB/T 1231 - 2010 化工产品的密度测定方� 智能液体密度计法</span></p><p><span>ASTM D4052 - 11 Standard Test Method for Density� Relative Density� and API Gravity of Liquids by Digital Density Meter(数字密度计测定液体密度，相对密度和API度的试验方法)、�/span></p><p><span>ASTM D5002 - 13 Standard Test Method for Density and Relative Density of Crude Oils by Digital Density Analyzer(数字密度分析仪用原油密度和相对密度的测试方法)、�/span></p><p><span>ASTM D3505 - 12e1 Standard Test Method for Density or Relative Density of Pure Liquid </span></p><p><span>Chemicals(纯液态化学品密度或相对密度的试验方法)、�/span></p><p><span>ISO 12185 : 1996 Crude petroleum and petroleum products-Determination of density-Oscillating U-tube method(原油和石油产�?密度测定-振荡U形管�?、�/span></p><p><span>IP 559-2008 Determination of density of middle distillate fuel（中间馏份燃� 手提振荡U形管密度计法（�/span></p><p><strong><span>校准方法９�/span></strong><strong></strong></p><p><span>JJG 1058-2010 Laboratory Oscillation-type liquid density meters（实验室振动式液体密度仪检定规程）</span></p><p><strong><span>技术参数：</span></strong><strong></strong></p><p><span>测量方式</span>: U型管振荡方式、�/span><span>适用介质</span><span>: 各种液体试样、�/span><span>测定范围</span>: 0.</span><span>001</span><span>｝�/span><span>1.999</span><span> g/cm</span><sup><span>3</span></sup><span>、�/span><span>准确�?/span>: ��0.0</span><span>0</span><span>1 g/cm</span><sup><span>3</span></sup><span>、�/span><span>分辨玆�/span>: 0.001 g/cm</span><sup><span>3</span></sup><span>、�/span></p><p><span>显示方式：液晶数字式显示</span><span>温度范围</span>: 0｝�/span><span>5</span><span>0℃、�/span></p><p><span>电池连续工作及续航：�?/span>12H/次、�/span></p><p><span>电源</span>: 碱性电池、�/span></p><p><strong><span>基本配置９�/span></strong><strong></strong></p><p><span>主机一奖�/span></p><p><span>进液管一核�/span></p><p><span>吸气管一核�/span></p><p><span>进液泵一�?/span></p><p><span>电池一�?/span></p><p><span>合格�?/span>&保修卡一仼�/span></p><p><span>说明书一仼�/span></p><p><strong><span>售后服务９�/span></strong><strong></strong></p><p><span>本产品自购买之日起，非人为责任事故我厂免费保修一平�/span><span>（中国大陆）</span><span>，长年维�?/span><span>（不提供中国大陆以外的任何免费维修）</span><span>、�/span></p><p><strong></strong></p><p><span>具体详情请电询陕西普洛帝测控技术有限公司！普洛帝�?/span>Puluody<span>、普勒�?/span><span>Pull</span><span>丹�/span><span>PLDMC</span><span>公司在中国大陆注册的商标�?/span></p><p><span>有关技术阐述、参数、服务为普洛帝测控拥有，普洛帝保留对经销商、用户的知情权！</span></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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