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              <h1 class="f-ff2 f-tac">FBT-9全自动比表面积测定仪操作及标定
                <p class="f-fwn f-ff1">作者：本站　发布时间：2021-5-17 10:00:20　浏览次数：
                  <font id="hits"></font>次</p></h1>
              <div class="xz-n-info">
                <p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px"><span style="font-family:宋体">产品概述：</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><a href="http://www.tjsyyq.com" target="_self"><strong><span style=";font-family:宋体;line-height:150%;font-size:16px">FBT-9<span style="font-family:宋体">型全自动水泥勃氏透气比表面积仪</span></span></strong></a><span style=";font-family:宋体;line-height:150%;font-size:16px"><span style="font-family:宋体">，主要用于测定水泥的比表面积，也可作测定陶瓷、磨料、金属、煤炭、食品、火药等粉状物料的比表面积。符合</span><span style="font-family:Calibri">GB/T8074-2008</span></span><span style=";font-family:宋体;line-height:150%;font-size:16px"><span style="font-family:宋体">《水泥比表面积测定方法》标准，测量过程简单、方便、可靠等，提高水泥实验室自动监测水平，节省时间。减少人为误差，是化验室理想产品。</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">&nbsp;</span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px"><span style="font-family:宋体">技术参数：</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">1: <span style="font-family:宋体">透气圆筒内腔直径 </span></span><span style=";font-family:宋体;line-height:150%;font-size:16px">Φ</span><span style=";font-family:宋体;line-height:150%;font-size:16px">12.7+0.05 mm</span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">2: <span style="font-family:宋体">透气圆筒内腔试料层高度：</span><span style="font-family:Calibri">15mm</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">3: <span style="font-family:宋体">穿孔板孔数：</span><span style="font-family:Calibri">35</span><span style="font-family:宋体">孔</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">4<span style="font-family:宋体">：穿孔板孔径 </span></span><span style=";font-family:宋体;line-height:150%;font-size:16px">Φ</span><span style=";font-family:宋体;line-height:150%;font-size:16px">1.0 mm</span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">5<span style="font-family:宋体">：穿孔板板厚： </span><span style="font-family:Calibri">1</span></span><span style=";font-family:Calibri;line-height:150%;font-size:16px">±</span><span style=";font-family:宋体;line-height:150%;font-size:16px">0.10 mm</span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">6<span style="font-family:宋体">：电磁泵工作电压：</span><span style="font-family:Calibri">220V</span><span style="font-family:宋体">，</span><span style="font-family:Calibri">50HZ</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">7: <span style="font-family:宋体">仪器重量：约</span><span style="font-family:Calibri">4 kg </span><span style="font-family:宋体">（毛重）</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">8<span style="font-family:宋体">：电源功率：</span><span style="font-family:Calibri">20W</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">&nbsp;</span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><a href="http://www.tjsyyq.com" target="_self"><strong><span style=";font-family:宋体;line-height:150%;font-size:16px"><span style="font-family:宋体">全自动比表面积测定仪</span></span></strong></a><span style=";font-family:宋体;line-height:150%;font-size:16px"><span style="font-family:宋体">主要功能</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">1<span style="font-family:宋体">：用户可自由调节试样的孔隙率，测量的范围就比</span><span style="font-family:Calibri">FBT-9</span><span style="font-family:宋体">型的测量范围广</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">2<span style="font-family:宋体">：用户还可以根据测量的需要，自己调节气泵的速度</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">3<span style="font-family:宋体">：测量</span><span style="font-family:Calibri">jing</span><span style="font-family:宋体">度从原来的四位上升到五位，拓宽了试样的测量范围</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">4<span style="font-family:宋体">：采用中文液晶屏显示，直观方便</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">5<span style="font-family:宋体">：增加更为完善的数据存储功能，不但可以查看试验结果，还可以查看保存的应对试验的参数数据</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">6<span style="font-family:宋体">：增加试验打印功能和历史数据打印功能，打印可以设定为自动打印和手动打印。</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">7<span style="font-family:宋体">：改进了液晶屏人机界面，各种故障和信息的中文提示使界面更友好直观</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">8<span style="font-family:宋体">：增加了温度校准功能，使温度测量更佳准确</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">9<span style="font-family:宋体">：程序增加故障判断功能，可以自动检测出光电开关的损坏情况、</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">10<span style="font-family:宋体">：</span><span style="font-family:Calibri">FBT-9B</span><span style="font-family:宋体">型独有的智能光电检测技术，可以不使用遮光小球完成实验，即便是位于不同的环境光环境下，不需人工调节灵敏度，只需一键校准即可完成。</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:Calibri;line-height:150%;font-size:16px">&nbsp;</span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px"><span style="font-family:宋体">仪器原理</span> <span style="font-family:宋体">：</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">1<span style="font-family:宋体">：水泥比表面积是指水泥粉末所具有的总面积，以</span><span style="font-family:Calibri">M2/KG</span><span style="font-family:宋体">表示。</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">2<span style="font-family:宋体">：本方法根据一定量的空气通过具有一定空隙率和固定厚度的水泥层时，所受阻力不同而引起流速的变化来测定水泥的比表面积。</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">&nbsp;</span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px"><span style="font-family:宋体">操作及标定：</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px"><span style="font-family:宋体">检测前的准备工作：</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">1<span style="font-family:宋体">：被测试样烘干备用</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">2<span style="font-family:宋体">：预先测定好被测试样的浓度</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">3<span style="font-family:宋体">： </span><span style="font-family:Calibri">220V</span><span style="font-family:宋体">、</span><span style="font-family:Calibri">50HZ</span><span style="font-family:宋体">的交流电源系统</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">4<span style="font-family:宋体">：千分之一天平一台</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">5<span style="font-family:宋体">：黄油少许</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">6<span style="font-family:宋体">：将仪器放平放稳，接通电源，打开仪器左侧的电源开关。如果仪器的液晶屏显示</span><span style="font-family:Calibri">Errl,</span><span style="font-family:宋体">表示玻璃压力计内的水位未达或超过低刻度线。</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">7<span style="font-family:宋体">：如果未到低刻度，请用滴管从压力计左侧一滴滴的滴入清水。滴水过程中应仔细观察显示屏，如果显示屏出现比表面积值、</span><span style="font-family:Calibri">K</span><span style="font-family:宋体">值和温度值，请停止注入水，仪器这时处于待机状态；如果超过低刻度，请倒出水，然后按上述操作使仪器处于待机状态，然后测量。</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><br/></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px"><span style="font-family:宋体">仪器常数</span>K<span style="font-family:宋体">的标定</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">1<span style="font-family:宋体">：需要的已知参数：</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">&nbsp;&nbsp;&nbsp;<span style="font-family:宋体">标准粉的比表面积</span> </span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">&nbsp;&nbsp;&nbsp;<span style="font-family:宋体">标准粉的密度</span></span></p><p style="text-indent:16px;text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px"><span style="font-family:宋体">容桶的标称体积</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">2<span style="font-family:宋体">：试样量的制备</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">A: <span style="font-family:宋体">标准粉需要在</span><span style="font-family:Calibri">115</span><span style="font-family:宋体">摄氏度下烘干</span><span style="font-family:Calibri">3</span><span style="font-family:宋体">小时以上，在干燥器中冷却至室温。</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">B: <span style="font-family:宋体">按公式</span><span style="font-family:Calibri">WS=PSXVX</span><span style="font-family:宋体">（</span><span style="font-family:Calibri">1-</span><span style="font-family:宋体">ε</span><span style="font-family:Calibri">S</span><span style="font-family:宋体">）计算试验量。其中</span><span style="font-family:Calibri">P&amp;-</span><span style="font-family:宋体">标准粉密度， </span><span style="font-family:Calibri">V-</span><span style="font-family:宋体">容桶标称体积ε</span><span style="font-family:Calibri">S</span><span style="font-family:宋体">—标准粉及初测试样空隙率均为</span><span style="font-family:Calibri">0.5 </span><span style="font-family:宋体">。</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">C: <span style="font-family:宋体">例：标准粉密度</span><span style="font-family:Calibri">3.16g/cm3</span><span style="font-family:宋体">容桶体积</span><span style="font-family:Calibri">1.980</span><span style="font-family:宋体">，空隙率</span><span style="font-family:Calibri">0.5</span><span style="font-family:宋体">。 则：标定仪器时标准粉称量为： </span><span style="font-family:Calibri">WS=PSv</span><span style="font-family:宋体">（</span><span style="font-family:Calibri">1-</span><span style="font-family:宋体">ε</span><span style="font-family:Calibri">s</span><span style="font-family:宋体">）</span><span style="font-family:Calibri">=3.16x1.980x</span><span style="font-family:宋体">（</span><span style="font-family:Calibri">1-0.5</span><span style="font-family:宋体">） &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="font-family:Calibri">=3.1284</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">D: <span style="font-family:宋体">请称量已烘干并冷却的标准粉</span><span style="font-family:Calibri">3.1284g</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">3: &nbsp;<span style="font-family:宋体">将容桶放在金属支架上，放入穿孔板，用推杆将穿孔板放平，再放入一片滤纸，用推杆按到底部平整即可。</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">4: <span style="font-family:宋体">通过漏斗将标准粉装入容桶（切忌不要振动容桶 ）。</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">&nbsp;</span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px"><span style="font-family:宋体">维护保养：</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px"><span style="font-family:宋体">压力计、保险管的更换：</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">1: <span style="font-family:宋体">压力计的更换</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">①把四个固定螺丝卸下来，拔掉已损坏压力计上的胶管</span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">②把新的压力计用于固定螺丝的部位用“医用<span style="font-family:Calibri">&quot;</span><span style="font-family:宋体">胶布包好（包扎好的圈数可参照原损坏的压力计包扎圈数）。插上胶管，然后把压力计放到固定夹子上，调整好高度（压力计右端外壁的撒那条刻度线分别与光电管</span><span style="font-family:Calibri">1</span><span style="font-family:宋体">、</span><span style="font-family:Calibri">2</span><span style="font-family:宋体">、</span><span style="font-family:Calibri">3</span><span style="font-family:宋体">平齐或稍下方）再用螺丝固定，更换好压力计后，检查漏气请参照使用说明书。</span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">2: <span style="font-family:宋体">保险管的更换 保险管在仪器左侧插座内，先拔掉电源线，用小一字改锥把插座内</span><span style="font-family:Calibri">T</span><span style="font-family:宋体">型方块撬出，拿下已损坏的保险管，然后换上新的规格为</span><span style="font-family:Calibri">5</span><span style="font-family:宋体">×</span><span style="font-family:Calibri">20/1A</span><span style="font-family:宋体">的保险管，再把</span><span style="font-family:Calibri">T</span><span style="font-family:宋体">行方块推入座内。 </span></span></p><p style="text-autospace:ideograph-numeric;line-height:150%"><span style=";font-family:宋体;line-height:150%;font-size:16px">&nbsp;</span></p><p 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