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ZLS-100<\/span><\/span>型纸张过滤速度测定仪<\/span> <\/p> <\/span> 用途和工作原理<\/span> <\/p> 本仪器适用于具有一定湿强度的过滤纸及过滤纸板滤水速度的测定，但不能用于经树腊加工，或其表面不亲水或不完全亲水的过滤纸和过滤纸板滤水速度的测定。<\/span> <\/p> 仪器的工作原理是在纸样两面的压盖为<\/span>1Kpa<\/span>（即<\/span>100mm<\/span>水柱）条件下，透过直径<\/span>35.7mm<\/span>（面积<\/span>10cm?<\/span><\/span>）的纸样流出<\/span>100ml<\/span>或<\/span>50ml<\/span>水所需的时间，时间以秒表示。<\/span> <\/p> 对水质的要求：在<\/span>20°C<\/span>时水质应符合导电率为（<\/span>3.2<\/span>—<\/span>4.4<\/span>）<\/span>×107<\/sup>ms/m<\/span>的自来水或含<\/span>0.02%Nacl<\/span>的蒸馏水或去离子水经<\/span>0.8u<\/span>滤膜或与之相当的滤纸滤过并用加热或真空脱气后的水。<\/span> <\/p> <\/li> 基本参数<\/span> <\/p> <\/li><\/ol> <\/span> 测定滤纸厚度范围<\/span>0.10<\/span>～<\/span>3.00mm<\/span> <\/p> <\/li> 试验面积：<\/span>10<\/span>±<\/span>0.05cm2<\/sup><\/span> <\/p> <\/li> 夹环内径：<\/span>φ35.7mm<\/span> <\/p> <\/li> 夹环外径：<\/span>φ50mm<\/span> <\/p> <\/li> 仪器外形尺寸（长<\/span>×<\/span>宽<\/span>×<\/span>高）<\/span>330×290×770<\/span> <\/p> <\/li> 仪器净重：约<\/span>15kg<\/span> <\/p> <\/li> <\/ol><\/ol> <\/span>
