美国Campbell-SR50A水位传感�?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><span><strong>SR</strong><strong>50A</strong><strong> 水位传感�?/strong></span></p><p><span>　　SR50A</span>�?span>Campbell</span>公司新研发的声波测距的传感器，通过测量超声波脉冲发射和返回的时间测量出距离。这个传感器可以用来测量雪深或水深。还需要测量一个温度用来修正声速在空气中的变化、�span>　　SR50AT</span>增加了一个温度传感器，输出一个温度修正距离的读数，免除了后续处理的需要、�/span></p><p><span>特点</span></p><p><span>›�/span>本设计满足了很多测量雪深的需�?/p><p><span>›�/span>测量范围９�span> 0.5 - 10 m (1.6 - 32.8 ft)</span></p><p><span>›�/span>精度９�span> ��1.0 cm (��0.4 in) or ��0.4% </span>（较大的数据（�/span></p><p><span>›�/span>该仪器和<span>Campbell</span>的大部分数据采集器兼容，也兼容很多其他公司的数据采集器、�/span></p><p><span><span>›�/span>Campbell Scientific (Canada) </span>制速�/span></p><p><span>技术性能参数</span></p><p><span>电源需汁�span>: 9-18 VDC</span></p><p><span>能耖�span>: </span>静止　<span>SDI-12 </span>模式<span>< 1.0mA</span></p><p><span>RS-232/RS485 </span>模式<span>< 2.25mA</span></p><p><span>*大测量电流　<span>250 mA </span>典型</span></p><p><span>测量时间<span>: </span>小于<span>1.0 second</span></p><p><span>可选择输出９�span> SDI-12 (version 1.3) </span>　<span>60m</span></p><p><span>RS-232 (1200 - 38400 BAUD) </span>　<span>30m</span></p><p><span>RS-485 (1200 - 38400 BAUD) </span>　<span>300m</span></p><p><span>测量范围<span>: 0.5 - 10 m</span></p><p><span>精度<span>: ��1 cm or 0.4% </span>（较大数据）</span></p><p><span>可消除温度补偿误�?span>.</span>　<span>SR50A</span>需要另外测量一个温度来修正读数、�/span></p><p><span>分辨玆�span>: 0.25mm</span></p><p><span>测量区域<span>: 30��</span></p><p><span>操作温度<span>: -45<span>ℂ�/span> - 50<span>ℂ�/span></span></p><p><span>尺寸<span>: </span>镾�span>10.1 cm</span>　直径<span> 7.6 cm</span></p><p><span>重量<span>: </span>传感器重野�span> 0.4kg</span></p><p><span>电缆<span> (SR50A) 4.58m 0.25kg</span></p><p><span>温度测量<span> (SR50AT): </span>　<span>0 � 50<span>ℂ�/span> ��0.2<span>ℂ�/span></span></p><p><span>-45</span>ℂ�span> � 0<span>ℂ�/span> ��0.75<span>ℂ�/span></span></p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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