超声波料位计液位�?参数-价格-中国粉体罐�/title>

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} }); function showliuyan(me, showtype){ if(showtype==0){ //$("#Content").val($("#Content").attr('placeholder')); Content= document.getElementById('PopMsgFrom').Content.getAttribute('placeholder'); document.getElementById('PopMsgFrom').Content.value=Content; } if(showtype==1){ // $("#Content").val($(me).text()); alert($(me).text()); document.getElementById('PopMsgFrom').Content.value=$(me).text(); } $(".fxp").css("display","flex"); } function close_popwin(){ $(".fxp").css("display","none"); // 关闭虚拟电话后的留言� $(".dhxj").css("display","none"); $(".dhxjbox").css("display", "none"); $(".dhxjbox2").css("display", "none"); return false; } </script>  <div class="cpjs"> <div class="cpjs_tab"> <div class="js_cpjj" style="border-bottom: 3px solid #1479d7; color: #1479d7;">产品介绍</div> <div class="js_cxd">创新炸�/div> <div class="js_xgfa">相关方案</div> <div class="js_xgzl">相关资料</div> <div class="js_yhpl">用户评论</div> <div class="js_gsdt">公司动�?/div> <div class="js_wsj">问商宵�/div> </div> <script> $(function(){ // 切换 $(".cpjs_tab a").click(function(){ $(".cpjs_tab a").css({"color":"#4F5862","border-bottom-color":"transparent"}); $(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p>一� 产品简� QA300超声波液/物位计是由微处理器控制的数字�?物位计。在测量中脉冲超声波由传感器（换能器）发出，声波经液/物体表面反射后被同一传感器接收，转换成电信号,并由声波的发射和接收之间的时间来计算传感器到被测�?物体的距离。被测介质几乎不受限制，可广泛用于污水、水泥、酸碱、煤粉、泥浆、酒类、饮料等多种环境� 二、产品特� QA300具有自动功率调整，增益控制，温度补偿，采用先进的检测技术和计算机技术，提高仪表的测量精度，对干扰回波有抑制功能，保证测量结果的真实与准确� 三、主要技术参� 量程�?�?�?�?�?0�?2�?5�?0�?5m 输出�?�?0mA、继电器输出、RS-485 盲区�?.3�?.6m 电源：DC 24V±5% 工作温度�?25�?5� 防护等级：IP6 分辨率：1mm 精度�?.25%�?.5% （可选） 显示方式�?6X2 LCD 4位LED（可选） 四、安装注意事� 1、传感器�?*液（物）位之间距离应大于盲区（安置高度≥液（物）�?*高度+盲区）同时要保证传感器轴线应垂直于被测液（物）体� 2、在固定当中必要时可加橡胶垫圈，同时尽可能远离噪声源� 3、因传感器发射波夹角的存在，在安置时应与器壁保持一定的距离� 五、选型指导 用户在订货时说明测量范围、环境温度、测量介质、详细使用情况� 超声波液位仪型号� QA300 I II III IV V VI VII I仪表等级 � � � � � � � 普通型（LED显示� � P 智能型（16X2LCD显示� � A II**量程 3m � A 5m � B 8m � C 10m � D 12m � F 15m � G 20m � H 25m � I III仪表类型 一体化显示 � Y 分体显示 � F IV连接方式 罗纹连接 � M 法兰连接 （法兰可选） � K V防腐类别 普� � P 防腐 � F VI输出方式 4�?0mA � L 继电器输� � G RS-485接口（智能型� � R VII输入电源 24VDC（适用一体化仪表� � D 220VAC（适用分体仪表� � A</p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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