<p style="margin-top:0pt;margin-bottom:0pt;" class="p0"><span style="font-family:'Times New Roman';font-size:9pt;mso-spacerun:'yes';">本测定仪应用于建筑施工现场，混凝土预制厂，商品混凝土搅拌站和土建试验室等单位对建筑用砂含水率的快速测定</span><span style="font-family:'宋体';font-size:9pt;mso-spacerun:'yes';"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></span></p> <p style="margin-top:0pt;margin-bottom:0pt;" class="p0"><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';">仪器使用方法（操作规程）</span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';"><br /> </span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';">1<span style="font-family:宋体;">、清理仪器</span></span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';"><br /> </span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';">将仪器内外用毛刷清理干净，保证仪器内不存任何物品。</span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';"><br /> </span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';">2<span style="font-family:宋体;">、测试样品的准备</span></span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';"><br /> </span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';">采用传统的四分法缩取，取有代表性砂样若干（一般<span style="font-family:Verdana;">100</span><span style="font-family:宋体;">克左右）供试验用。</span></span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';"><br /> </span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';">3<span style="font-family:宋体;">、砂样称重</span></span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';"><br /> </span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';">测试用样品的重量通常取决于原始砂含水率的大小，含水率小，样品可多些，含水率大样品可少些，在通常条件下，砂样重量取<span style="font-family:Verdana;">5</span><span style="font-family:宋体;">克为宜，当所取砂重量与数学模型所要求的重量不致时，应对测试结果进行换算处理，详见计重示例，称重天平的感量应不大于</span><span style="font-family:Verdana;">100</span><span style="font-family:宋体;">毫克。</span></span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';"><br /> </span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';">4<span style="font-family:宋体;">、放入砂样</span></span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';"><br /> </span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';">将称好的砂样放入砂样器内，使砂样置于仪器底部，然后将仪器放倒。</span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';"><br /> </span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';">5<span style="font-family:宋体;">、加入吸湿剂</span></span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';"><br /> </span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';">取吸湿剂重量等于加入砂样重量，将定量好的吸湿剂放在仪器口附近，此时应注意严防在关闭仪器之前使砂样与吸湿剂接触。</span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';"><br /> </span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';">6<span style="font-family:宋体;">、关闭仪器</span></span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';"><br /> </span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';">保持仪器平放状态，将上盖旋紧，然后关闭放气阀门。</span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';"><br /> </span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';">7<span style="font-family:宋体;">、混合</span></span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';"><br /> </span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';">立起仪器，轻轻摇动，使砂样与吸湿剂充分混合，如此反复摇动一至两分钟。</span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';"><br /> </span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';">8<span style="font-family:宋体;">、读数</span></span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';"><br /> </span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';">待压力指针不动时，放下仪器，使仪器内气体趋于平稳，然后平视压力显示器，读取压力值，并记录，读数精确到<span style="font-family:Verdana;">0.0005MPa</span><span style="font-family:宋体;">。</span></span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';"><br /> </span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';">9<span style="font-family:宋体;">、放气，清理仪器</span></span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';"><br /> </span><span style="font-family:'Verdana';font-size:9pt;mso-spacerun:'yes';">首先将放气阀门打开，待压力指针回零后，打开上盖，倒掉反应物，并用毛刷清理仪器待下次用。</span></p> <span style="font-family:'宋体';font-size:9pt;mso-spacerun:'yes';"><o:p> <p style="text-align:left;margin-top:0pt;text-indent:41.16pt;margin-bottom:0pt;" class="p0"><span style="font-family:'宋体';color:#000000;font-size:10.5pt;mso-spacerun:'yes';">天津天辰伟业科技有限公司是集科研、开发、生产与经营为一体化的高科技实体。主要产品有混凝土仪器、水泥仪器、土工仪器、沥青仪器、</span><span style="font-family:'Verdana';color:#000000;font-size:10.5pt;mso-spacerun:'yes';">CA</span><span style="font-family:'宋体';color:#000000;font-size:10.5pt;mso-spacerun:'yes';">砂浆仪器、门窗检测仪器、压力试验机、环境监测仪器我们可为公路、铁路、桥梁、搅拌站、市政、大专院校、工程质量检测中心提供全套试验仪器与检测仪器设备。我公司对售出的任何仪器实行一年内保修，三个月内有质量问题包换，终身维修，并且负责送货上门，安装调试和指导用户使用。</span><span style="font-family:'Verdana';color:#000000;font-size:10.5pt;mso-spacerun:'yes';"><o:p></o:p></span></p> <p style="text-align:left;margin-top:0pt;text-indent:41.16pt;margin-bottom:0pt;" class="p0"><span style="font-family:'宋体';color:#000000;font-size:10.5pt;mso-spacerun:'yes';">公司网址</span><span style="font-family:'Verdana';color:#000000;font-size:10.5pt;mso-spacerun:'yes';">:</span><span style="font-family:'宋体';color:#000000;font-size:10.5pt;mso-spacerun:'yes';">http://www.tcwyyq.com&nbsp;&nbsp;&nbsp;<span style="font-family:宋体;">联系人：高飞&nbsp;&nbsp;&nbsp;&nbsp;电话：</span><span style="font-family:Verdana;">022-27527630&nbsp;&nbsp;&nbsp;</span><span 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style="font-family:'Verdana';color:#000000;font-size:10.5pt;mso-spacerun:'yes';"><o:p></o:p></span></p> <p style="margin-top:0pt;text-indent:41.16pt;margin-bottom:0pt;" class="p0"><span style="font-family:'宋体';color:#000000;font-size:10.5pt;mso-spacerun:'yes';"><o:p></o:p></span></p> <p style="margin-top:0pt;text-indent:41.16pt;margin-bottom:0pt;" class="p0"><span style="font-family:'宋体';color:#000000;font-size:10.5pt;mso-spacerun:'yes';"><o:p></o:p></span></p> <!--EndFragment--></o:p></span><!--EndFragment-->