气动量仪-九游会体育

品牌/型号: 铭圣测控/msqd

类型: 气动量仪

适用范围: 精密测量

气动量仪

<img alt= " " height= "350 " src= "//i00.c.aliimg.com/img/ibank/2011/350/140/369041053_1826113590.jpg " width= "300 " /> 规格及性能          量仪本体的基本放大倍般有1000倍，2000倍，5000倍，10000倍和20000倍五种。                单位：mm<table border= "1 " cellpadding= "0 " cellspacing= "0 "><tr><td valign= "top " width= "204 ">基本放大倍数</td><td valign= "top " width= "84 ">1000倍</td><td valign= "top " width= "84 ">2000倍</td><td valign= "top " width= "83 ">5000倍</td><td valign= "top " width= "95 ">10000倍</td><td valign= "top " width= "95 ">20000倍</td></tr><tr><td valign= "top " width= "204 ">刻度范围</td><td valign= "top " width= "84 ">0.210</td><td valign= "top " width= "84 ">0.110</td><td valign= "top " width= "83 ">0.044</td><td valign= "top " width= "95 ">0.022</td><td valign= "top " width= "95 ">0.011</td></tr><tr><td valign= "top " width= "204 ">分度值</td><td valign= "top " width= "84 ">0.005</td><td valign= "top " width= "84 ">0.002</td><td valign= "top " width= "83 ">0.001</td><td valign= "top " width= "95 ">0.0005</td><td valign= "top " width= "95 ">0.0002</td></tr><tr><td valign= "top " width= "204 ">两基准点内示值误差</td><td valign= "top " width= "84 ">0.004</td><td valign= "top " width= "84 ">0.002</td><td valign= "top " width= "83 ">0.001</td><td valign= "top " width= "95 ">0.0005</td><td valign= "top " width= "95 ">0.0002</td></tr></table>           技术性能以中华人民共和国机械工业部标准jb3760-91为准。                轮廓尺寸（mm）及重量（kg）：<table border= "1 " cellpadding= "0 " cellspacing= "0 "><tr><td valign= "top " width= "114 ">指示管安数</td><td valign= "top " width= "114 ">长</td><td valign= "top " width= "164 ">宽</td><td valign= "top " width= "132 ">高</td><td valign= "top " width= "132 ">重量</td></tr><tr><td valign= "top " width= "114 ">单管：</td><td valign= "top " width= "114 ">230</td><td valign= "top " width= "164 ">133</td><td valign= "top " width= "132 ">480</td><td valign= "top " width= "132 ">2.4</td></tr><tr><td valign= "top " width= "114 ">双管：</td><td valign= "top " width= "114 ">230</td><td valign= "top " width= "164 ">162</td><td valign= "top " width= "132 ">480</td><td valign= "top " width= "132 ">4.3</td></tr><tr><td valign= "top " width= "114 ">三管：</td><td valign= "top " width= "114 ">230</td><td valign= "top " width= "164 ">91</td><td valign= "top " width= "132 ">480</td><td valign= "top " width= "132 ">6.2</td></tr><tr><td valign= "top " width= "114 ">n管：</td><td valign= "top " width= "114 ">230</td><td valign= "top " width= "164 ">133 29（n-1）</td><td valign= "top " width= "132 ">480</td><td valign= "top " width= "132 "> </td></tr></table>                   仪器附件：                                         单位：mm<table border= "1 " cellpadding= "0 " cellspacing= "0 "><tr><td rowspan= "2 " width= "114 ">序号</td><td rowspan= "2 " width= "156 ">名 称</td><td colspan= "2 " valign= "top " width= "357 ">每台数量</td></tr><tr><td valign= "top " width= "168 ">管数n=1～5</td><td valign= "top " width= "189 ">n=6～10</td></tr><tr><td valign= "top " width= "114 ">1</td><td valign= "top " width= "156 ">空气过滤器</td><td valign= "top " width= "168 ">1个</td><td valign= "top " width= "189 ">2个</td></tr><tr><td valign= "top " width= "114 ">2</td><td valign= "top " width= "156 ">连接管</td><td valign= "top " width= "168 ">1.5m/1根</td><td valign= "top " width= "189 ">1.5m/2根</td></tr><tr><td valign= "top " width= "114 ">3</td><td valign= "top " width= "156 ">塑料管</td><td colspan= "2 " valign= "top " width= "357 ">每管1.5m/1根</td></tr></table> 工作原理 浮标式气动量仪实质上是把被测量的尺寸变化转换为相应的空气流量变化的一种测量仪器，当压缩空气通过锥度玻璃管时，流量的变化就使得浮在玻璃管内的浮标的位置作相应的变化，于是从刻度尺上浮标位置的变化量就可以直接读出被测量尺寸的变化。<img alt= " " src= "//i02.c.aliimg.com/img/ibank/2011/685/440/369044586_1826113590.jpg " /> 量仪的测量原理：通过孔径为d的喷嘴端面与被测量表面的间隙的空气流量q与圆柱侧面积πds成函数关系：q=f（πds）当喷嘴孔径d固定不变时，流量q仅与间隙s成函数关系：q=f（s）间隙s的变化亦即意味着被测量尺寸的变化，当被测量尺寸h减少时，间隙s增加，流量q随之增加，浮标位置上升；反之，则浮标位置下降，这样就可以由浮标和刻度尺直接读出被测尺寸。

气动量仪-九游会体育

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