美国EcoChem DC 2000EC气溶胶表面积测量�?参数-价格-中国粉体罐�/title>

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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p>1991年，EcoChem 开拓了将光电气溶胶传感器用于气溶胶吸附的多环芳香烃（PAH）的实时监测的先河，继PAS2000后开发了便携型的多环芳香烃（PAH）监测仪PAS2000CE。为了更好的评价颗粒物对健康的影响，又开发了DC 2000CE气溶胶表面积测量仪、�/p><p><strong>应用领域９�/strong></p><p>?颗粒物表面积测量</p><p>?颗粒物对健康影响的评件�/p><p>测量原理</p><p>通过放电弧让气溶胶表面带上静电，在电场的作用下，运动到过滤膜上，然后测量膜的电量，标准气溶胶可激活表面积、�/p><p></p><p><strong>技术参数：</strong></p><p>显示�?6个字符，2行LED </p><p>供电�?20 volts AC / 50 HzMax.</p><p>电池�?5 volts Lithium Metal Hydride</p><p>测量范围�? to 1000 fAmp (不同地点对应表面积有所不同</p><p>灵敏度：~ 10 fAmp低阈值：~ 10 fAmp </p><p>响应时间９� 10 seconds (可调)</p><p>数字输出：RS - 232 </p><p>模拟输出� 0 to 10 volts</p><p>泵流速：at 1 L/min</p><p>操作温度�?0 to 104 oF (5 to 40oC)</p><p>尺寸：长 x� x� = 3in x 7in x 5in ( 68mm x 175mm x 124mm )</p><p>重量�? lb. 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